Publications - Working Group Ferroelectrical Oxide Layers

2019

L. von Helden, L. Bogula, P.-E. Janolin, M. Hanke, T. Breuer, M. Schmidbauer, S. Ganschow, J. Schwarzkopf
Huge impact of compressive strain on phase transition temperatures in epitaxial ferroelectric KxNa1−xNbO3 thin films
Appl. Phys. Lett. 114, 232905 (2019)
https://aip.scitation.org/doi/10.1063/1.5094405

2018

Jos E. Boschker, Toni Markurt, Martin Albrecht and Jutta Schwarzkopf
Heteroepitaxial Growth of T-Nb 2 O 5 on SrTiO 3
Nanomaterials 2018, 8(11), 895
https://www.mdpi.com/2079-4991/8/11/895

Dorothee Braun , Martin Schmidbauer, Michael Hanke and Jutta Schwarzkopf
Hierarchy and scaling behavior of multi-rank domain patterns in ferroelectric K0.9Na0.1NbO3 strained films
Nanotechnology 29 (2018) 015701 (8pp)
https://doi.org/10.1088/1361-6528/aa98a4

2017

M. Sander, M. Herzog, J. E. Pudell, M. Bargheer, N. Weinkauf, M. Pedersen, G. Newby, J. Sellmann, J. Schwarzkopf, V. Besse, V. V. Temnov, P. Gaal
Spatiotemporal Coherent Control of Thermal Excitations in Solids
Phys. Rev. LETT 119 (2017) 075901
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.119.075901

J. Schwarzkopf, D. Braun, M. Hanke, R. Uecker, M. Schmidbauer
Strain Engineering of Ferrolectric Domains in KxNa1-xNbO3 Epitaxial Layers
FRONTIERS IN MATERIALS 4 (2017) Art. 26
http://journal.frontiersin.org/article/10.3389/fmats.2017.00026/full

D. Braun, M. Schmidbauer, M. Hanke, A. Kwasniewski, J. Schwarzkopf
Tunable ferroelectric domain wall alignment in strained monoclinic KxNa1-xNbO3 epitaxial films
J. Appl. Phys. LETT 110 (2017) 232903
https://aip.scitation.org/doi/abs/10.1063/1.4985191

Biya Cai, J. Schwarzkopf, C. Feldt, J. Sellmann, T. Markurt, and R. Wördenweber
Combined impact of strain and stoichiometry on the structural and ferroelectric properties of epitaxially grown Na1+xNbO3+δ films on (110) NdGaO3
PHYSICAL REVIEW B 95, 184108 (2017)
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.95.184108

M. Schmidbauer, D. Braun, T. Markurt, M. Hanke, J. Schwarzkopf
Strain Engineering of Monoclinic Domains in KxNa1-xNbO3 Epitaxial Layers: A Pathway to Enhanced Piezoelectric Properties
NANOTECHNOLOGY 28 (2017) 24LT02
http://iopscience.iop.org/article/10.1088/1361-6528/aa715a/meta

M. Schmidbauer, M. Hanke, A. Kwasniewski, D. Braun, L. von Helden, C. Feldt, S. J. Leake, J. Schwarzkopf
Scanning X-Ray Nanodiffraction from Ferroelectric Domains in Strained K0.75Na0.25NbO3 Epitaxial Films Grown on (110) TbScO3
J. Appl. Crystallogr. 50 (2017) 519 - 525
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5377345/

2016

M. Sander, A. Koc, C. T. Kwamen, H. Michaels, A. v. Reppert, J. Pudell, F. Zamponi, M. Bargheer, J. Sellmann, J. Schwarzkopf, P. Gaal
Characterization of an Ultrafast Bragg-Switch for Shortening Hard X-Ray Pulses
J. Appl. Phys. 120 (2016) 193101
ttp://aip.scitation.org/doi/full/10.1063/1.4967835

B. Cai, J. Schwarzkopf, E. Hollmann, D. Braun, M. Schmidbauer, T. Grellmann,R. Wördenweber
Characterization of Polar Nanoregions in Relaxor-Type Ferroelectric NaNbO3 Films.
Phys. Rev. B 93 (2016) 224107
http://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.224107

B. Cai, J. Schwarzkopf, E. Hollmann, D. Braun, M. Schmidbauer, T. Grellmann,R. Wördenweber
Electronic Characterization of Polar Nanoregions in Relaxor-Type Ferroelectric NaNbO3 Films.
Phys. Rev. B 93 (2016) 224107
http://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.224107

J. Schwarzkopf, D. Braun, M. Hanke, A. Kwasniewski, J. Sellmann, M. Schmidbauer
Monoclinic MA Domains in Anisotropically Strained Ferroelectric K0.75Na0.25NbO3 Films on (110) TbScO3 Grown by MOCVD.
J. Appl. Crystallogr. 49 (2016) 375 - 384
http://dx.doi.org/10.1107/S1600576716000182

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