Tuning cationic composition of La:EuTiO3−δ films

Autor: Andrey Shkabko, Chencheng Xu, Paul Meuffels, Felix Gunkel, Regina Dittmann, Anke Weidenkaff, Rainer Waser

Publikováno v: APL Materials, Vol 1, Iss 5, Pp 052111-052111-9 (2013)

Eu1−xLaxTiO3−δ (x = 0, 0.3, 0.5) films were deposited in a p(Ar(96%)/H2(4%)) = 4 × 10−4 mbar atmosphere on (LaAlO3)0.3-(Sr2AlTaO6)0.7 vicinal substrates (0.1°). Reflection high-energy electron diffraction oscillation characteristics of a lay

Externí odkaz: https://doaj.org/article/554e7339580d4aa790801b4225dd1ac1

Transport limits in defect-engineered LaAlO3/SrTiO3 bilayers

Autor: Paul Meuffels, Mark Huijben, Rainer Waser, Susanne Hoffmann-Eifert, Guus Rijnders, Sebastian Wicklein, Peter Brinks, Regina Dittmann, Felix Gunkel

Publikováno v: Nanoscale, 7(3), 1013-1022. Royal Society of Chemistry

The electrical properties of the metallic interface in LaAlO3/SrTiO3 (LAO/STO) bilayers are investigated with focus on the role of cationic defects in thin film STO. Systematic growth-control of the STO thin film cation stoichiometry (defect-engineer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::962a705cccffb74e5cf7b2cc317ce232
https://doi.org/10.1039/c4nr06272h

Crystal and magnetic structure of single-crystal La1-x Sr x MnO 3 (x ≈ 1/8)

Autor: Th. Brückel, Paul Meuffels, Haifeng Li, Yixi Su, Jörg Persson, Yunlong Xiao

Publikováno v: The European Physical Journal B. 67:149-157

A neutron powder diffraction (NPD) study on the crystal and magnetic structure of a crushed La1-xSrxMnO3 (x ≈ 1/8) single crystal has been performed. The sample belongs to orthorhombic (Pnma, O) above the Jahn-Teller (JT) transition temperature (TJ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c106b434c848a1693e506abaf7a839e
https://doi.org/10.1140/epjb/e2009-00019-5

High-Temperature Proton Conductors for the Injection of Hydrogen into a Vacuum

Autor: Paul Meuffels, Tilman Schober

Publikováno v: Journal of the American Ceramic Society. 84:1996-2000

Tubes of ceramic high-temperature proton conductors (CaZr0.9In0.1O3−x,BaZr0.9Y0.1O3−x, and Ba3Ca1.18Nb1.82O9−x)were used to introduce hydrogen into a vacuum system. A prerequisite was a leak rate below 10−8mbar/s for an assembly consisting of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e7b7813b020161ca5820ee770a3648e
https://doi.org/10.1111/j.1151-2916.2001.tb00948.x

Possible magnetic-polaron-switched positive and negative magnetoresistance in the GdSi single crystal

Autor: Haifeng Li, Georg Roth, Yinguo Xiao, Jörg Persson, Paul Meuffels, Wolfgang Schmidt, Thomas Brückel, Berthold Schmitz

Publikováno v: Scientific reports 2, 750 (2012). doi:10.1038/srep00750
Scientific Reports 2(Art. No.750), (2012). doi:10.1038/srep00750
Scientific Reports

Scientific reports 2, 750 (2012). doi:10.1038/srep00750
Published by Nature Publ. Group, London

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e042af2e5837b3a100c442c80894433