Yunzhong Chen

Yunzhong Chen

Senior Researcher

DTU ENERGY
Department of Energy Conversion and Storage

Technical University of Denmark

Fysikvej

Building 310, room 228

2800 Kgs. Lyngby

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2020
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Towards Photoferroic Materials by Design: Recent Progresses and Perspective

Castelli, Ivano E. ; Olsen, Thomas ; Chen, Yunzhong
in: Journal of Physics: Energy, vol: 2, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1088/2515-7655/ab428c

2019
 

Diluted Oxide Interfaces with Tunable Ground States

Gan, Yulin ; Christensen, Dennis Valbjørn ; Zhang, Yu ; Zhang, Hongrui ; Dileep, Krishnan ; Zhong, Zhicheng ; Niu, Wei ; Carrad, Damon James ; Norrman, Kion ; von Soosten, Merlin ; Sand Jespersen, Thomas ; Shen, Baogen ; Gauquelin, Nicolas ; Verbeeck, Johan ; Sun, Jirong ; Pryds, Nini ; Chen, Yunzhong
in: Advanced Materials, vol: 31, issue: 10

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1002/adma.201805970

 

Electrolyte gate controlled metal-insulator transitions of the CaZrO3/SrTiO3 heterointerface

Niu, Wei ; Chen, Yongda ; Gan, Yulin ; Zhang, Yu ; Zhang, Xiaoqian ; Yuan, Xiao ; Cao, Zhi ; Liu, Wenqing ; Xu, Yongbing ; Zhang, Rong ; Pryds, Nini ; Chen, Yunzhong ; Pu, Yong ; Wang, Xuefeng
in: Applied Physics Letters, vol: 115, issue: 6

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1063/1.5108813

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Gate-tunable Rashba spin-orbit coupling and spin polarization at diluted oxide interfaces

Gan, Yulin ; Zhang, Yu ; Christensen, Dennis Valbjørn ; Pryds, Nini ; Chen, Yunzhong
in: Physical Review B (Condensed Matter and Materials Physics), vol: 100, issue: 12

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1103/PhysRevB.100.125134

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Magnetic and electronic properties at the γ-Al2O3/SrTiO3 interface

Mardegan, J. R. L. ; Christensen, D. V. ; Chen, Y. Z. ; Parchenko, S. ; Avula, S. R. ; Ortiz-Hernandez, N. ; Decker, M. ; Piamonteze, C. ; Pryds, N. ; Staub, U.
in: Physical Review B, vol: 99, issue: 13

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1103/PhysRevB.99.134423

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On the emergence of conductivity at SrTiO3-based oxide interfaces - an in-situ study

von Soosten, Merlin ; Christensen, Dennis Valbjørn ; Eom, Chang-Beom ; Jespersen, Thomas S. ; Chen, Yunzhong ; Pryds, Nini
in: Scientific Reports, vol: 9, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1038/s41598-019-54463-w

 

Progress and Perspectives of Atomically Engineered Perovskite Oxide Interfaces for Electronics and Electrocatalysts

Chen, Yunzhong ; Green, Robert
in: Advanced Materials Interfaces, vol: 6, issue: 15

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1002/admi.201900547

 

Stimulating Oxide Heterostructures: A Review on Controlling SrTiO3‐Based Heterointerfaces with External Stimuli

Christensen, Dennis Valbjørn ; Trier, Felix ; Niu, Wei ; Gan, Yulin ; Zhang, Yu ; Jespersen, Thomas Sand ; Chen, Yunzhong ; Pryds, Nini
in: Advanced Materials Interfaces, vol: 6, issue: 21

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1002/admi.201900772

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Strain-tunable magnetism at ferroelastic domain walls

Christensen, D. V. ; Frenkel, Y. ; Xie, Y. ; Chen, Z. ; Hikita, Y. ; Smith, A. ; Chen, Y. Z. ; Klein, L. ; Hwang, H. Y. ; Pryds, N. ; Kalisky, B.
in: Nature Physics, vol: 15, pages: 269-274

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1038/s41567-018-0363-x

 

The role of oxide interfaces in highly confined electronic and ionic conductors

Christensen, Dennis V. ; Chen, Yunzhong ; Esposito, Vincenzo ; Pryds, Nini
in: A P L Materials, vol: 7, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1063/1.5052057

2018
 

2D hole gas seen

Chen, Yunzhong ; Pryds, Nini
in: Nature Materials

Type: Comment/debate

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1038/s41563-018-0025-5

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Direct Demonstration of the Emergent Magnetism Resulting from the Multivalence Mn in a LaMnO3 Epitaxial Thin Film System

Niu, Wei ; Liu, Wenqing ; Gu, Min ; Chen, Yongda ; Zhang, Xiaoqian ; Zhang, Minhao ; Chen, Yequan ; Wang, Ji ; Du, Jun ; Song, Fengqi ; Pan, Xiaoqing ; Pryds, Nini ; Wang, Xuefeng ; Wang, Peng ; Xu, Yongbing ; Chen, Yunzhong ; Zhang, Rong
in: Advanced Electronic Materials, vol: 4, issue: 6, pages: 1-9

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1002/aelm.201800055

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Electron Mobility in γ-Al2O3/SrTiO3

Christensen, Dennis Valbjørn ; Frenkel, Y. ; Schütz, P. ; Trier, Felix ; Wissberg, S. ; Claessen, R. ; Kalisky, B. ; Smith, A. ; Chen, Y. Z. ; Pryds, Nini
in: Physical Review Applied, vol: 9, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1103/PhysRevApplied.9.054004

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Emergent Ferromagnetism: Direct Demonstration of the Emergent Magnetism Resulting from the Multivalence Mn in a LaMnO3 Epitaxial Thin Film System (Adv. Electron. Mater. 6/2018)

Niu, Wei ; Liu, Wenqing ; Gu, Min ; Chen, Yongda ; Zhang, Xiaoqian ; Zhang, Minhao ; Chen, Yequan ; Wang, Ji ; Du, Jun ; Song, Fengqi ; Pan, Xiaoqing ; Pryds, Nini ; Wang, Xuefeng ; Wang, Peng ; Xu, Yongbing ; Chen, Yunzhong ; Zhang, Rong

Type: Other contribution

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1002/aelm.201870030

 

Enhanced visible light catalytic activity of MoS2/TiO2/Ti photocathode by hybrid-junction

Cheng, Chaoqun ; Liu, Guohua ; Du, Kang ; Li, Gang ; Zhang, Wendong ; Sanna, Simone ; Chen, Yunzhong ; Pryds, Nini ; Wang, Kaiying
in: Applied Catalysis B: Environmental, vol: 237, pages: 416-423

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.apcatb.2018.06.012

 

Extreme Reconfigurable Nanoelectronics at the CaZrO3 /SrTiO3 Interface

Chen, Lu ; Li, Jianan ; Tang, Yuhe ; Pai, Yun-Yi ; Chen, Yunzhong ; Pryds, Nini ; Irvin, Patrick ; Levy, Jeremy
in: Advanced Materials, vol: 30, issue: 33

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1002/adma.201801794

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Magnetoelastic phase diagram of TbNi2B2C

Toft-Petersen, Rasmus ; Jensen, Thomas Bagger Stibius ; Jensen, Jens ; von Zimmermann, Martin ; Sloth, Steffen ; Isaksen, Frederik Werner ; Christensen, Niels Bech ; Chen, Yunzhong ; Siemensmeyer, Konrad ; Kawano-Furukawa, Hazuki ; Takeya, Hiroyuki ; Abrahamsen, Asger Bech ; Andersen, Niels Hessel
in: Physical Review B, vol: 97, issue: 22

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1103/PhysRevB.97.224417

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Metallic Conduction and Ferromagnetism in MAl2O4/SrTiO3 Spinel/Perovskite Heterostructures (M=Fe, Co, Ni)

Zhang, Yu ; Gan, Yulin ; Zhang, Hongrui ; Zhang, Hui ; Norby, Poul ; Shen, Baogen ; Sun, Jirong ; Chen, Yunzhong
in: Applied Physics Letters, vol: 113, issue: 26

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1063/1.5063540

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Nanoscale patterning of electronic devices at the amorphous LaAlO3/SrTiO3 oxide interface using an electron sensitive polymer mask

Bjorlig, Anders V. ; von Soosten, Merlin ; Erlandsen, Ricci ; Dahm, Rasmus Tindal ; Zhang, Yu ; Gan, Yulin ; Chen, Yunzhong ; Pryds, Nini ; Jespersen, Thomas S.
in: Applied Physics Letters, vol: 112, issue: 17

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1063/1.5026362

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Tuning the Ground State of Oxide Interfaces by an Electron Sink

Gan, Y. L. ; von Soosten, M. ; Zhang, Y. ; Krishnan, D. ; Zhong, Z. ; Niu, W. ; Carrad, D. J. ; Norrman, K. ; Christensen, D. V. ; Gauquelin, N. ; Jespersen, T. S. ; Shen, B.G. ; Verbeeck, J. ; Sun, J. R. ; Pryds, N. ; Chen, Y. Z.
Presented at:
25th International Workshop on Oxide Electronics (2018)

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2018

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Tuning the Two-Dimensional Electron Gas at Oxide Interfaces with Ti-O Configurations: Evidence from X-ray Photoelectron Spectroscopy

Zhang, Yu ; Gan, Yulin ; Niu, Wei ; Norrman, Kion ; Yan, Xi ; Christensen, Dennis Valbjørn ; von Soosten, Merlin ; Zhang, Hongrui ; Shen, Baogen ; Pryds, Nini ; Sun, Jirong ; Chen, Yunzhong
in: A C S Applied Materials and Interfaces, vol: 10, issue: 1, pages: 1434-1439

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1021/acsami.7b16510

2017
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Controlling the Carrier Density of SrTiO3-Based Heterostructures with Annealing

Christensen, Dennis Valbjørn ; von Soosten, Merlin ; Trier, Felix ; Sand Jespersen, Thomas ; Smith, Anders ; Chen, Yunzhong ; Pryds, Nini
in: Advanced Electronic Materials, vol: 3, issue: 8

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1002/aelm.201700026

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Effect of Sr-doping of LaMnO3 spacer on modulation-doped two-dimensional electron gases at oxide interfaces

Chen, Yunzhong ; Gan, Yulin ; Christensen, Dennis Valbjørn ; Zhang, Y. ; Pryds, Nini
in: Journal of Applied Physics, vol: 121, issue: 9

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1063/1.4977694

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Ferromagnetic Two-Dimensional Electron Gases at the Interface between Two Oxide Insulators

Chen, Yunzhong
Presented at:
Electronic phenomena in the Nordic countries

Type: Conference abstract for conference

Status: Published     |    Year: 2017

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Giant tunability of the two-dimensional electron gas at the interface of γ-Al2O3/SrTiO3

Niu, Wei ; Zhang, Yu ; Gan, Yulin ; Christensen, Dennis Valbjørn ; von Soosten, Merlin ; Garcia Suárez, Eduardo José ; Riisager, Anders ; Wang, Xuefeng ; Xu, Yongbing ; Zhang, Rong ; Pryds, Nini ; Chen, Yunzhong
in: Nano Letters, vol: 17, issue: 11, pages: 6878–6885

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1021/acs.nanolett.7b03209

 

High Mobility Two-dimensional Electron Gases at Complex Oxide Interfaces

Chen, Yunzhong
part of: Metal Oxide-Based Thin Film Structures, 2017, Elsevier

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/B978-0-12-811166-6.00013-3

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Magnetic two-dimensional electron gas at the manganite-buffered LaAlO3/SrTiO3 interface

R. Zhang, H. ; Zhang, Y. ; Zhang, H. ; Zhang, J. ; Shen, X. ; Guan, X. X. ; Chen, Yunzhong ; Yu, R. C. ; Pryds, Nini ; Chen, Y. S. ; Shen, B. G. ; Sun, J. R.
in: Physical Review B, vol: 96, issue: 19

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1103/PhysRevB.96.195167

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Microscopic origin of the mobility enhancement at a spinel/perovskite oxide heterointerface revealed by photoemission spectroscopy

Schuetz, P. ; Christensen, Dennis Valbjørn ; Borisov, V. ; Pfaff, F. ; Scheiderer, P. ; Dudy, L. ; Zapf, M. ; Gabel, J. ; Chen, Y. Z. ; Pryds, Nini ; Rogalev, V. A. ; Strocov, V. N. ; Schlueter, C. ; Lee, T. -L. ; Jeschke, H. O. ; Valenti, R. ; Sing, M. ; Claessen, R.
in: Physical Review B, vol: 96, issue: 16

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1103/PhysRevB.96.161409

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Scavenging of oxygen vacancies at modulation-doped oxide interfaces: Evidence from oxygen isotope tracing

Chen, Yunzhong ; Döbeli, M. ; Pomjakushina, E. ; Gan, Yulin ; Pryds, Nini ; Lippert, T.
in: Physical Review Materials, vol: 1, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1103/PhysRevMaterials.1.052002

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Suppressed carrier density for the patterned high mobility two-dimensional electron gas at γ-Al2O3/SrTiO3 heterointerfaces

Niu, Wei ; Gan, Yulin ; Christensen, Dennis Valbjørn ; von Soosten, Merlin ; Wang, Xuefeng ; Xu, Yongbing ; Zhang, Rong ; Pryds, Nini ; Chen, Yunzhong
in: Applied Physics Letters, vol: 111, issue: 2

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1063/1.4993165

 

Thermodynamic Ground States of Complex Oxide Heterointerfaces

Gunkel, F. ; Hoffmann-Eifert, S. ; Heinen, R. A. ; Christensen, Dennis Valbjørn ; Chen, Yunzhong ; Pryds, Nini ; Waser, R. ; Dittmann, R.
in: A C S Applied Materials and Interfaces, vol: 9, issue: 1, pages: 1086–1092

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1021/acsami.6b12706

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Transport and excitations in a negative-U quantum dot at the LaAlO3/SrTiO3 interface

Prawiroatmodjo, Guenevere E. D. K. ; Leijnse, Martin Christian ; Trier, Felix ; Chen, Yunzhong ; Christensen, Dennis Valbjørn ; von Soosten, Merlin ; Pryds, Nini ; Sand Jespersen, Thomas
in: Nature Communications, vol: 8, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1038/s41467-017-00495-7

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Tuning the ground state of polar LaAlO3/SrTiO3 interface by an electron sink

Gan, Yulin ; von Soosten, Merlin ; Zhang, Yu ; Niu, Wei ; Christensen, Dennis Valbjørn ; Sand Jespersen, Thomas ; Pryds, Nini ; Chen, Yunzhong
part of: 2017 TO-BE Fall Meeting - Towards oxidebased Electronics, pages: 72, 2017
Presented at:
24th International Workshop on Oxide Electronics (iWOE 2017)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

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Tuning the two-dimensional electron liquid at oxide interfaces by buffer-layer-engineered redox reactions

Chen, Yunzhong ; Green, Robert J. ; Sutarto, Ronny ; He, Feizhou ; Linderoth, Søren ; Sawatzky, George A. ; Pryds, Nini
in: Nano Letters, vol: 17, issue: 11, pages: 7062–7066

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1021/acs.nanolett.7b03744

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Two-Dimensional Electron Gases at Modulation-doped Oxide Interfaces

Chen, Yunzhong ; Gan, Yulin ; Christensen, Dennis Valbjørn ; von Soosten, Merlin ; Zhang, Y. ; Niu, Wei ; Pryds, Nini
Presented at:
3rd Functional Oxide Thin Films for Advanced Energy and Information Technology Conference

Type: Conference abstract for conference

Status: Published     |    Year: 2017

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Two-Dimensional Electron Gases at Modulation-doped Oxide Interfaces

Chen, Yunzhong ; Gan, Yulin ; Christensen, Dennis Valbjørn ; von Soosten, Merlin ; Zhang, Yong ; Niu, Wei ; Pryds, Nini
part of: TO-BE Fall Meeting 2017: Towards oxidebased Electronics - Abstract book, pages: 32, 2017
Presented at:
TO-BE Fall Meeting 2017

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

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Universality of electron mobility in LaAlO3/SrTiO3 and bulk SrTiO3

Trier, Felix ; Reich, K. V. ; Christensen, Dennis Valbjørn ; Zhang, Yu ; Tuller, Harry L. ; Chen, Yunzhong ; Shklovskii, B. I. ; Pryds, Nini
in: Applied Physics Letters, vol: 111, issue: 9

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1063/1.5001316

2016
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A high mobility two-dimensional electron gas at the CaZrO3/SrTiO3 heterointerface

Chen, Yunzhong ; Trier, Felix ; Christensen, Dennis Valbjørn ; Linderoth, Søren ; Pryds, Nini
Presented at:
TO-BE Spring Meeting 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

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Effects of spark plasma sintering conditions on the anisotropic thermoelectric properties of bismuth antimony telluride

Han, Li ; Hegelund Spangsdorf, Steeven ; Van Nong, Ngo ; Le, Thanh Hung ; Zhang, Yubin ; Pham, Hoang Ngan ; Chen, Yunzhong ; Roch, A. ; Stepien, L. ; Pryds, Nini
in: R S C Advances, vol: 6, issue: 64, pages: 59565-59573

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1039/c6ra06688g

 

Electric field control of the γ-Al2O3/SrTiO3 interface conductivity at room temperature

Christensen, Dennis Valbjørn ; Trier, Felix ; von Soosten, Merlin ; Prawiroatmodjo, G. E. D. K. ; Jespersen, T. S. ; Chen, Yunzhong ; Pryds, Nini
in: Applied Physics Letters, vol: 109, issue: 2

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1063/1.4955490

 

Emergent Material Science and Functionalities at Atomically-Engineered Oxide Interfaces

Chen, Yunzhong

Type: Doctoral thesis

Status: Published     |    Year: 2016

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Evidence for lattice-polarization-enhanced field effects at the SrTiO3-based heterointerface

Li, Y. ; R. Zhang, H. ; Lei, Y. ; Chen, Y. ; Pryds, N. ; Shen, Baogen ; Sun, Jirong
in: Scientific Reports, vol: 6

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1038/srep22418

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Evidence of weak superconductivity at the room-temperature grown LaAlO3/SrTiO3 interface

Prawiroatmodjo, G. E. D. K. ; Trier, Felix ; Christensen, Dennis Valbjørn ; Chen, Yunzhong ; Pryds, Nini ; Jespersen, T. S.
in: Physical Review B, vol: 93, issue: 18

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1103/PhysRevB.93.184504

 

Infrared ellipsometry study of the confined electrons in a high-mobility γ-Al2O3/SrTiO3 heterostructure

Yazdi-Rizi, M. ; Marsik, P. ; Mallett, B. P. P. ; Dubroka, A. ; Christensen, Dennis Valbjørn ; Chen, Yunzhong ; Pryds, Nini ; Bernhard, C.
in: EPL, vol: 113

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1209/0295-5075/113/47005

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New Insights into the Creation of High-Mobility Two-Dimensional Electron Gas at Oxide Interfaces: Control of Interfacial Redox Reactions by an Electron Sink

Chen, Yunzhong ; Green, R.J. ; Trier, Felix ; Christensen, Dennis Valbjørn ; Sutarto, R. ; He, F. ; von Soosten, Merlin ; Zhang, Y. ; Linderoth, Søren ; Pryds, Nini
Presented at:
23rd International Workshop on Oxide Electronics

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

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Quantization of Hall Resistance at the Metallic Interface between an Oxide Insulator and SrTiO3

Trier, Felix ; Prawiroatmodjo, Guenevere E. D. K. ; Zhong, Zhicheng ; Christensen, Dennis Valbjørn ; von Soosten, Merlin ; Bhowmik, Arghya ; García Lastra, Juan Maria ; Chen, Yunzhong ; Jespersen, Thomas Sand ; Pryds, Nini
in: Physical Review Letters, vol: 117

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1103/PhysRevLett.117.096804

2015
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Band bending and alignment at the spinel/perovskite γ−Al2O3/SrTiO3 heterointerface

Schütz, P. ; Pfaff, F. ; Scheiderer, P. ; Chen, Yunzhong ; Pryds, Nini ; Gorgoi, Mihaela ; Sing, M ; Claessen, R
in: Physical Review B Condensed Matter, vol: 91, issue: 16

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1103/PhysRevB.91.165118

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Charge Transfer Induced Modulation Doping at Oxide Interfaces

Chen, Yunzhong
Presented at:
Rare earth-transitional metal oxides and compounds for environment-friendly energy science and technology

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

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Charge transfer induced modulation doping of two-dimensional electron gas at complex oxide interfaces

Chen, Yunzhong ; Trier, Felix ; Christensen, Dennis Valbjørn ; Linderoth, Søren ; Pryds, Nini
Presented at:
TO-BE Spring Meeting 2015

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

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Extreme mobility enhancement of two-dimensional electron gases at oxide interfaces via charge transfer induced modulation doping

Chen, Yunzhong ; Trier, Felix ; Wijnands, T. ; Green, R. J. ; Gauquelin, N. ; Egoavil, R. ; Christensen, Dennis Valbjørn ; Koster, G. ; Huijben, M. ; Bovet, N. ; Macke, S. ; He, F. ; Sutarto, R. ; Andersen, Niels Hessel ; Sulpizio, J. A. ; Honig, M. ; Prawiroatmodjo, G. E. D. K. ; Jespersen, T. S. ; Linderoth, Søren ; Ilani, S. ; Verbeeck, Jo ; Van Tendeloo, G. ; Rijnders, Guus ; Sawatzky, G. A. ; Pryds, Nini
in: Nature Materials, vol: 14, issue: 8, pages: 801-806

Type: Journal article (Peer reviewed)

Status: E-pub ahead of print     |    Year: 2015     |    DOI: https://doi.org/10.1038/nmat4303

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Extreme mobility enhancement of two-dimensional electron gases at oxide interfaces via charge transfer induced modulation doping

Chen, Yunzhong ; Trier, Felix ; Wijnands, T. ; Green, R. J. ; Gauquelin, N. ; Egoavil, R. ; Christensen, Dennis Valbjørn ; Koster, G. ; Huijben, M. ; Bovet, N. ; Macke, S. ; He, F. ; Sutarto, R. ; Sulpizio, J. A. ; Honig, M. ; Prawiroatmodjo, G. E. D. K. ; Jespersen, T. S. ; Linderoth, Søren ; Ilani, S. ; Verbeeck, Jo ; Van Tendeloo, G. ; Rijnders, Guus ; Sawatzky, G. A. ; Pryds, Nini
Presented at:
22nd International Workshop on Oxide Electronics

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

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Extreme mobility enhancement of two-dimensional electron gases at oxide interfaces via charge transfer induced modulation doping

Chen, Yunzhong ; Trier, Felix ; Wijnands, T. ; Green, R. J. ; Gauquelin, N. ; Egoavil, R. ; Christensen, Dennis Valbjørn ; Koster, G. ; Huijben, M. ; Bovet, N. ; Macke, S. ; He, F. ; Sutarto, R. ; Sulpizio, J. A. ; Honig, M. ; Prawiroatmodjo, G. E. D. K. ; Jespersen, T. S. ; Linderoth, Søren ; Ilani, S. ; Verbeeck, Jo ; Van Tendeloo, G. ; Rijnders, Guus ; Sawatzky, G. A. ; Pryds, Nini
Presented at:
E-MRS 2015 Fall meeting

Type: Poster

Status: Published     |    Year: 2015

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Patterning of high mobility electron gases at complex oxide interfaces

Trier, Felix ; Prawiroatmodjo, G. E. D. K. ; von Soosten, Merlin ; Christensen, Dennis Valbjørn ; Jespersen, T. S. ; Chen, Yunzhong ; Pryds, Nini
in: Applied Physics Letters, vol: 107

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1063/1.4935553

2014
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Room Temperature Creation of High Mobility Two-Dimensional Electron Gases at Complex Oxide Interfaces

Chen, Yunzhong ; Christensen, Dennis Valbjørn ; Trier, Felix ; Kasama, Takeshi ; Yazdi, Sadegh ; Linderoth, Søren ; Pryds, Nini
Presented at:
21st International Workshop on Oxide Electronics

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2014

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Room Temperature Epitaxial Growth of Complex Oxide Interfaces with High Mobility Two-Dimensional Electron Gases

Chen, Yunzhong ; Christensen, Dennis Valbjørn ; Trier, Felix ; Kasama, Takeshi ; Yazdi, Sadegh ; Linderoth, Søren ; Pryds, Nini
Presented at:
1st Scientific Meeting of the TOBE Action

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2014

 

Room temperature formation of high-mobility two-dimensional electron gases at crystalline complex oxide interfaces

Chen, Yunzhong ; Bovet, N. ; Kasama, Takeshi ; Gao, W.W. ; Yazdi, Sadegh ; Ma, C. ; Pryds, Nini ; Linderoth, Søren
in: Advanced Materials, vol: 26, issue: 9, pages: 1462–1467

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/adma.201304634

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Transport Properties of the γ-Al2O3/SrTiO3 Heterostructure

Christensen, Dennis Valbjørn ; Chen, Yunzhong ; Smith, Anders ; Pryds, Nini
Presented at:
21st International Workshop on Oxide Electronics

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2014

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Visible-light-enhanced gating effect at the LaAlO3/SrTiO3 interface

Lei, Y. ; Li, Y. ; Chen, Yunzhong ; Xie, Y. W. ; Chen, Y. S. ; Wang, S. H. ; Wang, J. ; Shen, B. G. ; Pryds, Nini ; Hwang, H. Y. ; Sun, J. R.
in: Nature Communications, vol: 5

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1038/ncomms6554

2013
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A high-mobility two-dimensional electron gas at the spinel/perovskite interface of γ-Al2O3/SrTiO3

Chen, Yunzhong
Presented at:
DTU-WIS "Nano" workshop on "Interface and bulk conduction in oxide thin films"

Type: Conference abstract for conference

Status: Published     |    Year: 2013

 

A high-mobility two-dimensional electron gas at the spinel/perovskite interface of γ-Al2O3/SrTiO3

Chen, Yunzhong ; Bovet, N. ; Trier, Felix ; Christensen, Dennis ; Qu, F.M. ; Andersen, Niels Hessel ; Kasama, Takeshi ; Zhang, Wei ; Giraud, R. ; Dufouleur, J. ; Jespersen, T.S. ; Sun, J.R. ; Smith, Anders ; Nygård, J. ; Lu, L. ; Büchner, B. ; Shen, B.G. ; Linderoth, Søren ; Pryds, Nini
in: Nature Communications, vol: 4

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1038/ncomms2394

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A high-mobility two-dimensional electron gas at the spinel/perovskite interface of γ-Al2O3/SrTiO3

Chen, Yunzhong ; Trier, Felix ; Christensen, Dennis Valbjørn ; Andersen, Niels Hessel ; Kasama, Takeshi ; Zhang, Wei ; Linderoth, Søren ; Pryds, Nini
Presented at:
2nd Frontiers of Microscopy Virtual Conference

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2013

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A high-mobility two-dimensional electron gas at the spinel/perovskite interface of γ-Al2O3/SrTiO3 grown by pulsed laser deposition

Chen, Yunzhong ; Pryds, Nini
Presented at:
12th International Conference on Laser Ablation (COLA 2013)

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2013

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A Two-Dimensional Electron Gas at the Spinel/Perovskite Interface of γ-Al2O3/SrTiO3 with Carrier Mobility Exceeding 100,000 cm2V-1s-1

Chen, Yunzhong ; Bovet, N. ; Trier, Felix ; Christensen, Dennis Valbjørn ; Qu, F.M. ; Andersen, Niels Hessel ; Kasama, Takeshi ; Zhang, Wei ; Giraud, R. ; Dufouleur, J. ; Jespersen, T. S. ; Sun, J.R. ; Smith, Anders ; Nygård, J. ; Lu, L. ; Büchner, B. ; Shen, B.G. ; Linderoth, Søren ; Pryds, Nini
Presented at:
20th Workshop on Oxide Electronics (WOE20)

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2013

 

Controlling interfacial states in amorphous/crystalline LaAlO3/SrTiO3 heterostructures by electric fields

Christensen, Dennis ; Trier, Felix ; Chen, Yunzhong ; Smith, Anders ; Nygård, J. ; Pryds, Nini
in: Applied Physics Letters, vol: 102, pages: 021602

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1063/1.4775669

 

Controlling the conductivity of amorphous LaAlO3/SrTiO3 interfaces by in-situ application of an electric field during fabrication

Trier, Felix ; Amoruso, S. ; Christensen, Dennis Valbjørn ; Sambri, A. ; Chen, Yunzhong ; Wang, X. ; Stamate, Eugen ; Bruzzese, R. ; Pryds, Nini
in: Applied Physics Letters, vol: 103, issue: 3, pages: 031607

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1063/1.4815989

 
 

High-mobility two-dimensional electron gases at oxide interfaces: Origins and opportunities.

Chen, Yunzhong ; Pryds, Nini ; Sun, Ji-Rong (Invited author) ; Shen, Bao-Gen (Invited author) ; Linderoth, Søren
in: Chinese Physics B, vol: 22, issue: 11

Type: Journal article (Peer reviewed)     |     Invited contribution

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1088/1674-1056/22/11/116803

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Two-dimensional electron gases at a spinel/perovskite complex oxide heterointerface with electron mobilities exceeding 100,000 cm2V-1s-1

Chen, Yunzhong ; Trier, Felix ; Christensen, Dennis Valbjørn ; Linderoth, Søren ; Pryds, Nini
part of: Proceedings for the international conference: "MAMA-Trend: Trends, challenges and emergent new phenomena in multi-functional materials", pages: 77, 2013
Presented at:
International conference "MAMA-Trend: Trends, challenges and emergent new phenomena in multi-functional materials"

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2013

  PDF

Two-dimensional electron gases in SrTiO3-based complex oxide heterostructures with electron mobilities exceeding 100,000 cm2V-1s-1

Chen, Yunzhong ; Pryds, Nini
Presented at:
EMN West meeting, Energy materials Nanotechnology

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2013

2012
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Atomically engineered oxide heterointerfaces: new opportunities for nanoionics and nanoelectronics

Chen, Yunzhong ; Pryds, Nini
part of: Abstract book - Electroceramics XIII, pages: 63-64, 2012
Presented at:
Electroceramics XIII

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

Extraordinary high conductivity in SrTiO3-based oxide heterostructures due to interfacial redox reactions

Chen, Yunzhong ; Christensen, Dennis ; Trier, Felix ; Pryds, Nini ; Linderoth, Søren
Presented at:
Frontiers in Electronic Materials: Correlation Effects and Memristive Phenomena

Type: Poster

Status: Published     |    Year: 2012

  PDF

Extraordinary high conductivity in SrTiO3-based oxide heterostructures due to interfacial redox reactions

Chen, Yunzhong ; Christensen, Dennis ; Trier, Felix ; Pryds, Nini ; Linderoth, Søren
Presented at:
E-MRS 2012 Spring Meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

On the origin of metallic conductivity at the interface of LaAlO3/SrTiO3

Chen, Yunzhong ; Christensen, Dennis ; Trier, Felix ; Pryds, Nini ; Smith, Anders ; Linderoth, Søren
in: Applied Surface Science, vol: 258, issue: 23, pages: 9242– 9245
Presented at:
EMRS 2011 Spring Symposium J: Laser materials processing for micro and nano applications

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.apsusc.2012.01.117

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Plasma plume effects on the conductivity of amorphous-LaAlO3/SrTiO3 interfaces grown by pulsed laser deposition in O2 and Ar

Sambri, A. ; Christensen, Dennis ; Trier, Felix ; Chen, Yunzhong ; Amoruso, S. ; Pryds, Nini ; Bruzzese, R. ; Wang, X.
in: Applied Physics Letters, vol: 100, pages: 131605

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1063/1.4727905

 

Resistance switching of the interfacial conductance in amorphous SrTiO3 heterostructures

Christensen, Dennis ; Trier, Felix ; Chen, Yunzhong ; Smith, Anders ; Pryds, Nini
Presented at:
19th Workshop on Oxide Electronics (WOE 19)

Type: Conference abstract for conference

Status: Published     |    Year: 2012

  PDF

The creation of two-dimensional electron gases in SrTiO3-based complex oxide heterostructures by interface redox reactions

Chen, Yunzhong ; Trier, Felix ; Christensen, Dennis ; Pryds, Nini
part of: Abstract book - Workshop on Oxide Electronics XIX, pages: 66-66, 2012
Presented at:
19th Workshop on Oxide Electronics (WOE 19)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

2011
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Anisotropic transport behavior of orbital-ordered Nd0.48Sr0.52MnO3 films

Liang, S. ; Sun, J. R. ; Chen, Yunzhong ; Shen, B. G.
in: Journal of Applied Physics, vol: 110

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1063/1.3657845

 

Charge modulated interfacial conductivity in SrTiO3-based oxide heterostructures

Chen, Yunzhong ; Stamate, Eugen ; Pryds, Nini ; Sun, J. R. ; Shen, B. G. ; Linderoth, Søren
in: Applied Physics Letters, vol: 98, issue: 23, pages: 232105 (3 pages)

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1063/1.3598391

 

Epitaxial growth of atomically flat gadolinia-doped ceria thin films by pulsed laser deposition

Chen, Yunzhong ; Pryds, Nini ; Schou, Jørgen ; Linderoth, Søren
in: Applied Physics A: Materials Science & Processing, vol: 105, issue: 3, pages: 697-701

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1007/s00339-011-6532-8

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Extraordinarily high conductivity at interfaces of ZrO2:Y2O3/SrTiO3 heterostructures: origin and perspective

Chen, Yunzhong ; Christensen, Dennis ; Trier, F. ; Pryds, Nini ; Smith, Anders ; Linderoth, Søren
Presented at:
EMRS 2011 Spring Symposium J: Laser materials processing for micro and nano applications

Type: Poster

Status: Published     |    Year: 2011

 

Imposed quasi-layer-by-layer homoepitaxial growth of SrTiO3 films by large area pulsed laser deposition

Chen, Yunzhong ; Pryds, Nini
in: Thin Solid Films, vol: 519, issue: 19, pages: 6330-6333

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1016/j.tsf.2011.04.023

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Metallic and insulating interfaces of amorphous SrTiO3-based oxide heterostructures

Chen, Yunzhong ; Pryds, Nini ; Kleibeuker, J.E. ; Koster, G. ; Sun, Jirong ; Stamate, Eugen ; Shen, Baogen ; Rijnders, Guus ; Linderoth, Søren
part of: Abstracts, 2011
Presented at:
MAMA workshop: "Synthesis and design of multi-functional materials and heterostructures"

Type: Conference abstract in proceedings

Status: Published     |    Year: 2011

 

Metallic and Insulating Interfaces of Amorphous SrTiO3-Based Oxide Heterostructures

Chen, Yunzhong ; Pryds, Nini ; Kleibeuker, Josée E. ; Koster, Gertjan ; Sun, Jirong ; Stamate, Eugen ; Shen, Baogen ; Rijnders, Guus ; Linderoth, Søren
in: Nano Letters, vol: 11, issue: 9, pages: 3774-3778

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1021/nl201821j

2010
 

Electronic transport properties of the charge ordered manganite-based heterojunction

Liang, S. ; Sun, J. R. ; Chen, Yunzhong ; Lu, W. M. ; Shen, B. G.
in: Solid State Communications, vol: 150, issue: 13-14, pages: 609-612

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.ssc.2009.12.037

  PDF

Epitaxial growth of atomically flat gadolinia-doped ceria thin films by pulsed laser deposition

Chen, Yunzhong ; Pryds, Nini ; Schou, Jørgen ; Linderoth, Søren
Presented at:
7th International Conference on Photo-Excited Processes and Applications

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2010

  PDF

Resistance switching at the interface of LaAlO3/SrTiO3

Chen, Yunzhong ; Zhao, J.L. ; Sun, J.R. ; Pryds, Nini ; Shen, B.G.
in: Applied Physics Letters, vol: 97, issue: 12, pages: 123102

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1063/1.3490646

 

The influence of film thickness on photovoltaic effect for the Fe3O4/SrTiO3:Nb heterojunctions

Wei, A. D. ; Sun, J. R. ; Chen, Yunzhong ; Lu, W. M. ; Shen, B. G.
in: Journal of Physics D: Applied Physics, vol: 43, issue: 20

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1088/0022-3727/43/20/205004

2009
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Buffer layer-enhanced magnetic field effect in manganite-based heterojunctions

Lu, W. M. ; Sun, J. R. ; Chen, Yunzhong ; Shang, D. S. ; Shen, B. G.
in: Applied Physics Letters, vol: 95, issue: 23

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1063/1.3273375

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Buffer layer-induced unusual rectifying behavior in La0.67Ca0.33MnO3/LaMnO3/SrTiO3:Nb junctions

Lu, W. M. ; Sun, J. R. ; Chen, Yunzhong ; Shen, B. G.
in: Applied Physics Letters, vol: 94, issue: 15

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1063/1.3122343

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Control of the charge-ordering-insulating phase in epitaxial La1-xCaxMnO3 (x=0.30-0.45) thin films under the anisotropic strain

Huang, Zhen ; Gao, Guanyin ; Yin, Zhizhen ; Feng, Xianxian ; Chen, Yunzhong ; Zhao, Xiaoru ; Sun, Jirong ; Wu, Wenbin
in: Journal of Applied Physics, vol: 105, issue: 11

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1063/1.3141751

  PDF

Crossover of angular dependent magnetoresistance with the metal-insulator transition in colossal magnetoresistive manganite films

Chen, Yunzhong ; Sun, J.R. ; Zhao, T.Y. ; Wang, J. ; Wang, Z.H. ; Shen, B.G. ; Pryds, Nini
in: Applied Physics Letters, vol: 95, issue: 13, pages: 132506

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1063/1.3240407

  PDF

Effects of film thickness on manganite film-based heterjunctions

Lu, W. M. ; Wei, A. D. ; Sun, J. R. ; Chen, Yunzhong ; Shen, B. G.
in: Applied Physics Letters, vol: 94, issue: 8

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1063/1.3089698

 

Large anisotropy in colossal magnetoresistance of charge orbital ordered epitaxial Sm0.5Ca0.5MnO3 films

Chen, Yunzhong ; Sun, J.R. ; Zhao, J.L. ; Wang, J. ; Shen, B.G. ; Pryds, Nini
in: Journal of Physics: Condensed Matter, vol: 21, pages: 442001

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1088/0953-8984/21/44/442001

2008
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Bias-dependent rectifying properties of n-n manganite heterojunctions La1-xCaxMnO3/SrTiO: Nb (x=0.65-1)

Lu, W. M. ; Sun, J. R. ; Wang, D. J. ; Xie, Y. W. ; Liang, S. ; Chen, Yunzhong ; Shen, B. G.
in: Applied Physics Letters, vol: 93, issue: 21

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1063/1.3021399

  PDF

Charge ordering transition near the interface of La1-xSrxMnO3 (x~1/8) films

Chen, Yunzhong ; Sun, J. R. ; Wei, A. D. ; Lu, W. M. ; Liang, S. ; Shen, B. G.
in: Applied Physics Letters, vol: 93

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1063/1.3003868

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Effect of anisotropic strain on the charge ordering transition in manganite films

Chen, Yunzhong ; Sun, J. R. ; Liang, S. ; Lu, W. M. ; Shen, B. G. ; Wu, W. B.
in: Journal of Applied Physics, vol: 103

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1063/1.2908222

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Interfacial potential in La1-xCaxMnO3/SrTiO3:Nb junctions with different Ca contents

Lu, W. M. ; Sun, J. R. ; Wang, D. J. ; Xie, Y. W. ; Liang, S. ; Chen, Yunzhong ; Shen, B. G.
in: Applied Physics Letters, vol: 92

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1063/1.2841643

  PDF

Large magnetic entropy change and low hysteresis loss in the Nd- and Co-doped La(Fe,Si)13 compounds

Shen, Jun ; Li, Yang-Zian ; Zhang, Jian ; Gao, Bo ; Hu, Feng-Xia ; Zhang, Hong-Wei ; Chen, Yunzhong ; Rong, Chuan-Bing ; Sun, Ji-Rong
in: Journal of Applied Physics, vol: 103, issue: 7

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1063/1.2829035