Dennis Valbjørn Christensen

Dennis Valbjørn Christensen

Researcher

DTU ENERGY
Department of Energy Conversion and Storage

Technical University of Denmark

Fysikvej

Building 310, room 236

2800 Kgs. Lyngby

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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

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Electrical, magnetic and magnetotransport properties of Na and Mo doped Ca3Co4O9 materials

Hira, Uzma ; Grivel, Jean-Claude ; Christensen, Dennis Valbjørn ; Pryds, Nini ; Sher, Falak
in: RSC Advances, vol: 9, issue: 54, pages: 31274-31283

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1039/c9ra06110j

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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

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Semiconductors: X‐Ray Writing of Metallic Conductivity and Oxygen Vacancies at Silicon/SrTiO3 Interfaces (Adv. Funct. Mater. 25/2019)

Chikina, Alla ; Caputo, Marco ; Naamneh, Muntaser ; Christensen, Dennis Valbjørn ; Schmitt, Thorsten ; Radovic, Milan ; Strocov, Vladimir N.

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1002/adfm.201970172

 

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

 

Surface Pyroelectricity in Cubic SrTiO3

Meirzadeh, Elena ; Christensen, Dennis Valbjørn ; Makagon, Evgeniy ; Cohen, Hagai ; Rosenhek-Goldian, Irit ; Morales, Erie H ; Bhowmik, Arghya ; Lastra, Juan Maria G ; Rappe, Andrew M ; Ehre, David ; Lahav, Meir ; Pryds, Nini ; Lubomirsky, Igor
in: Advanced Materials, vol: 31, issue: 44

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1002/adma.201904733

 

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

 

Tuning the stoichiometry and electrical properties of tantalum oxide thin films

Li, Yang ; Sanna, Simone ; Norrman, Kion ; Christensen, Dennis Valbjørn ; Pedersen, Christian Søndergaard ; García Lastra, Juan Maria ; Traulsen, Marie Lund ; Esposito, Vincenzo ; Pryds, Nini
in: Applied Surface Science, vol: 470, pages: 1071-1074

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.apsusc.2018.11.153

 

X‐Ray Writing of Metallic Conductivity and Oxygen Vacancies at Silicon/SrTiO3 Interfaces

Chikina, Alla ; Caputo, Marco ; Naamneh, Muntaser ; Christensen, Dennis Valbjørn ; Schmitt, Thorsten ; Radovic, Milan ; Strocov, Vladimir N.
in: Advanced Functional Materials, vol: 29, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1002/adfm.201900645

2018
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Electron mobility in oxide heterostructures

Trier, F. ; Christensen, Dennis Valbjørn ; Pryds, Nini
in: Journal of Physics D: Applied Physics, vol: 51, issue: 29

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1361-6463/aac9aa

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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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Exploring magnetic and electronic properties in γ-Al2O3/SrTiO3

Christensen, Dennis Valbjørn

Type: Ph.D. thesis

Status: Published     |    Year: 2018

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High-temperature thermoelectric properties of Na- and W-Doped Ca3Co4O9 system  

Hira, Uzma ; Han, Li ; Norrman, Kion ; Christensen, Dennis Valbjørn ; Pryds, Nini ; Sher, Falak
in: R S C Advances, vol: 8, issue: 22, pages: 12211–12221

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1039/C8RA01691G

 

Joining of Half-Heusler and Bismuth Tellurides for Segmented Thermoelectric Generators

Ngan, Pham Hoang ; Han, Li ; Christensen, Dennis Valbjørn
in: Journal of Electronic Materials, vol: 47, issue: 1, pages: 701-710

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1007/s11664-017-5827-8

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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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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

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Is γ-Al2O3 polar?

Christensen, Dennis Valbjørn ; Smith, Anders
in: Applied Surface Science, vol: 423, pages: 887-890

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.apsusc.2017.06.184

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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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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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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

 

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

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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

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Scandium-doped zinc cadmium oxide as a new stable n-type oxide thermoelectric material

Han, Li ; Christensen, Dennis Valbjørn ; Bhowmik, Arghya ; Simonsen, Søren Bredmose ; Le, Thanh Hung ; Abdellahi, Ebtisam ; Chen, Y. Z. ; Van Nong, Ngo ; Linderoth, Søren ; Pryds, Nini
in: Journal of Materials Chemistry A, vol: 4, issue: 31, pages: 12221-12231

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1039/C6TA03126A

 

Silicon doped InP as an alternative plasmonic material for mid-infrared

Panah, Mohammad Esmail Aryaee ; Han, Li ; Christensen, Dennis Valbjørn ; Pryds, Nini ; Lavrinenko, Andrei ; Semenova, Elizaveta
part of: Proceedings of 41st International Conference on Infrared, Millimeter and Terahertz Waves, 2016, IEEE
Presented at:
International Conference on Infrared, Millimeter and Terahertz Waves

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1109/IRMMW-THz.2016.7758994

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

  PDF

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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Analysis of the internal heat losses in a thermoelectric generator

Bjørk, Rasmus ; Christensen, Dennis Valbjørn ; Eriksen, Dan ; Pryds, Nini
in: International Journal of Thermal Sciences, vol: 85, pages: 12-20

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.ijthermalsci.2014.06.003

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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

 

Towards high efficiency segmented thermoelectric unicouples

Pham, Hoang Ngan ; Christensen, Dennis Valbjørn ; Snyder, Gerald Jeffrey ; Le, Thanh Hung ; Linderoth, Søren ; Van Nong, Ngo ; Pryds, Nini
in: Physica Status Solidi. A: Applications and Materials Science (Online), vol: 211, issue: 1, pages: 9-17

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/pssa.201330155

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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

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 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

 
 

Designing CAF-adjuvanted dry powder vaccines: Spray drying preserves the adjuvant activity of CAF01

Ingvarsson, Pall Thor ; Schmidt, Signe Tandrup ; Christensen, Dennis ; Larsen, Niels Bent ; Hinrichs, Wouter Leonardus Joseph ; Andersen, Peter ; Rantanen, Jukka ; Nielsen, Hanne Mørck ; Yang, Mingshi ; Foged, Camilla
in: Journal of Controlled Release, vol: 167, issue: 3, pages: 256-264

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.jconrel.2013.01.031

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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

2012
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Degradation of the performance of microchannel heat exchangers due to flow maldistribution

Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Christensen, Dennis ; Jensen, Jesper Buch ; Smith, Anders ; Bahl, Christian
in: Applied Thermal Engineering, vol: 40, pages: 236-247

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.applthermaleng.2012.02.019

 

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

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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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Demagnetizing effects in stacked rectangular prisms

Christensen, Dennis ; Nielsen, Kaspar Kirstein ; Bahl, Christian Robert Haffenden ; Smith, Anders
in: Journal of Physics D: Applied Physics, vol: 44, issue: 21, pages: 215004

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1088/0022-3727/44/21/215004

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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

  PDF

Measuring the effect of demagnetization in stacks of gadolinium plates using the magnetocaloric effect

Lipsø, Hans Kasper Wigh ; Nielsen, Kaspar Kirstein ; Christensen, Dennis ; Bahl, Christian Robert Haffenden ; Engelbrecht, Kurt ; Kuhn, Luise Theil ; Smith, Anders
in: Journal of Magnetism and Magnetic Materials, vol: 323, issue: 23, pages: 3027-3032

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1016/j.jmmm.2011.06.052

2010
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An optimized magnet for magnetic refrigeration

Bjørk, Rasmus ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Christensen, Dennis ; Pryds, Nini
in: Journal of Magnetism and Magnetic Materials, vol: 322, issue: 21, pages: 3324-3328

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.jmmm.2010.06.017

 

Spatially resolved measurements of the magnetocaloric effect and the local magnetic field using thermography

Christensen, Dennis ; Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Clausen, Sønnik
in: Journal of Applied Physics, vol: 108, issue: 6, pages: 063913

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1063/1.3487943

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The demagnetizing field of a non-uniform rectangular prism

Smith, Anders ; Nielsen, Kaspar Kirstein ; Christensen, Dennis ; Bahl, Christian Robert Haffenden ; Bjørk, Rasmus ; Hattel, Jesper Henri
in: Journal of Applied Physics, vol: 107, issue: 10, pages: 103910

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1063/1.3385387