Intrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometry

We used oxide molecular-beam epitaxy in a composition-spread geometry to deposit hexagonal LuFeO3 (h-LuFeO3) thin films with a monotonic variation in the Lu/Fe cation ratio, creating a mosaic of samples that ranged from iron rich to lutetium rich. We characterized the effects of composition variatio...

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Main Authors:	Jarrett A. Moyer, Rajiv Misra, Julia A. Mundy, Charles M. Brooks, John T. Heron, David A. Muller, Darrell G. Schlom, Peter Schiffer
Format:	Article
Language:	English
Published:	AIP Publishing LLC 2014-01-01
Series:	APL Materials
Online Access:	http://dx.doi.org/10.1063/1.4861795

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spelling	doaj-383a8956e62a4f34a00bf27f5899bbd52020-11-24T22:04:17ZengAIP Publishing LLCAPL Materials2166-532X2014-01-0121012106012106-810.1063/1.4861795008401APMIntrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometryJarrett A. Moyer0Rajiv Misra1Julia A. Mundy2Charles M. Brooks3John T. Heron4David A. Muller5Darrell G. Schlom6Peter Schiffer7Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USADepartment of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USASchool of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USADepartment of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USADepartment of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USASchool of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USADepartment of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USADepartment of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USAWe used oxide molecular-beam epitaxy in a composition-spread geometry to deposit hexagonal LuFeO3 (h-LuFeO3) thin films with a monotonic variation in the Lu/Fe cation ratio, creating a mosaic of samples that ranged from iron rich to lutetium rich. We characterized the effects of composition variation with x-ray diffraction, atomic force microscopy, scanning transmission electron microscopy, and superconducting quantum interference device magnetometry. After identifying growth conditions leading to stoichiometric film growth, an additional sample was grown with a rotating sample stage. From this stoichiometric sample, we determined stoichiometric h-LuFeO3 to have a TN = 147 K and Ms = 0.018 μB/Fe.http://dx.doi.org/10.1063/1.4861795
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Jarrett A. Moyer Rajiv Misra Julia A. Mundy Charles M. Brooks John T. Heron David A. Muller Darrell G. Schlom Peter Schiffer
spellingShingle	Jarrett A. Moyer Rajiv Misra Julia A. Mundy Charles M. Brooks John T. Heron David A. Muller Darrell G. Schlom Peter Schiffer Intrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometry APL Materials
author_facet	Jarrett A. Moyer Rajiv Misra Julia A. Mundy Charles M. Brooks John T. Heron David A. Muller Darrell G. Schlom Peter Schiffer
author_sort	Jarrett A. Moyer
title	Intrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometry
title_short	Intrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometry
title_full	Intrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometry
title_fullStr	Intrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometry
title_full_unstemmed	Intrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometry
title_sort	intrinsic magnetic properties of hexagonal lufeo3 and the effects of nonstoichiometry
publisher	AIP Publishing LLC
series	APL Materials
issn	2166-532X
publishDate	2014-01-01
description	We used oxide molecular-beam epitaxy in a composition-spread geometry to deposit hexagonal LuFeO3 (h-LuFeO3) thin films with a monotonic variation in the Lu/Fe cation ratio, creating a mosaic of samples that ranged from iron rich to lutetium rich. We characterized the effects of composition variation with x-ray diffraction, atomic force microscopy, scanning transmission electron microscopy, and superconducting quantum interference device magnetometry. After identifying growth conditions leading to stoichiometric film growth, an additional sample was grown with a rotating sample stage. From this stoichiometric sample, we determined stoichiometric h-LuFeO3 to have a TN = 147 K and Ms = 0.018 μB/Fe.
url	http://dx.doi.org/10.1063/1.4861795
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Intrinsic magnetic properties of hexagonal LuFeO3 and the effects of nonstoichiometry

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