| ROESSLE, M., K W KIM, Adam DUBROKA, Přemysl MARŠÍK, C N WANG, R. JANY, C. RICHTER, J. MANNHART, C W SCHNEIDER, A. FRANO, P. WOCHNER, Y. LU, B. KEIMER, D K SHUKLA, J. STREMPFER a Christian BERNHARD. Electric-Field- Induced Polar Order and Localization of the Confined Electrons in LaAlO3/SrTiO3 Heterostructures. Physical Review Letters. The Americal Physical Society, 2013, roč. 110, č. 13, s. "136805-1"-"136805-5", 5 s. ISSN 0031-9007. Dostupné z: https://dx.doi.org/10.1103/PhysRevLett.110.136805. |
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@article{1121996,
author = {Roessle, M. and Kim, K W and Dubroka, Adam and Maršík, Přemysl and Wang, C N and Jany, R. and Richter, C. and Mannhart, J. and Schneider, C W and Frano, A. and Wochner, P. and Lu, Y. and Keimer, B. and Shukla, D K and Strempfer, J. and Bernhard, Christian},
article_number = {13},
doi = {http://dx.doi.org/10.1103/PhysRevLett.110.136805},
keywords = {STRONTIUM-TITANATE; PHASE-TRANSITION; FERROELECTRICITY; LAALO3/SRTIO3; SRTIO3; ELLIPSOMETRY; FREQUENCIES; PEROVSKITE; DEPENDENCE; INTERFACES},
language = {eng},
issn = {0031-9007},
journal = {Physical Review Letters},
title = {Electric-Field- Induced Polar Order and Localization of the Confined Electrons in LaAlO3/SrTiO3 Heterostructures},
url = {http://prl.aps.org/pdf/PRL/v110/i13/e136805},
volume = {110},
year = {2013}
}
TY - JOUR
ID - 1121996
AU - Roessle, M. - Kim, K W - Dubroka, Adam - Maršík, Přemysl - Wang, C N - Jany, R. - Richter, C. - Mannhart, J. - Schneider, C W - Frano, A. - Wochner, P. - Lu, Y. - Keimer, B. - Shukla, D K - Strempfer, J. - Bernhard, Christian
PY - 2013
TI - Electric-Field- Induced Polar Order and Localization of the Confined Electrons in LaAlO3/SrTiO3 Heterostructures
JF - Physical Review Letters
VL - 110
IS - 13
SP - "136805-1"-"136805-5"
EP - "136805-1"-"136805-5"
PB - The Americal Physical Society
SN - 00319007
KW - STRONTIUM-TITANATE
KW - PHASE-TRANSITION
KW - FERROELECTRICITY
KW - LAALO3/SRTIO3
KW - SRTIO3
KW - ELLIPSOMETRY
KW - FREQUENCIES
KW - PEROVSKITE
KW - DEPENDENCE
KW - INTERFACES
UR - http://prl.aps.org/pdf/PRL/v110/i13/e136805
L2 - http://prl.aps.org/pdf/PRL/v110/i13/e136805
N2 - With ellipsometry, x-ray diffraction, and resistance measurements we investigated the electric-field effect on the confined electrons at the LaAlO3=SrTiO3 interface. We obtained evidence that the localization of the electrons at negative gate voltage is induced, or at least enhanced, by a polar phase transition in SrTiO3 which strongly reduces the lattice polarizability and the subsequent screening. In particular, we show that the charge localization and the polar order of SrTiO3 both develop below similar to 50 K and exhibit similar, unipolar hysteresis loops as a function of the gate voltage.
ER -
ROESSLE, M., K W KIM, Adam DUBROKA, Přemysl MARŠÍK, C N WANG, R. JANY, C. RICHTER, J. MANNHART, C W SCHNEIDER, A. FRANO, P. WOCHNER, Y. LU, B. KEIMER, D K SHUKLA, J. STREMPFER a Christian BERNHARD. Electric-Field- Induced Polar Order and Localization of the Confined Electrons in LaAlO3/SrTiO3 Heterostructures. \textit{Physical Review Letters}. The Americal Physical Society, 2013, roč.~110, č.~13, s.~''136805-1''-''136805-5'', 5 s. ISSN~0031-9007. Dostupné z: https://dx.doi.org/10.1103/PhysRevLett.110.136805.
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