Document Detail


Cascade of Magnetic Field Induced Spin Transitions in LaCoO_{3}.
MedLine Citation:
PMID:  22861888     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We present magnetization and magnetostriction studies of LaCoO_{3} in magnetic fields approaching 100 T. In contrast with expectations from single-ion models, the data reveal two distinct first-order transitions and well-defined magnetization plateaus. The magnetization at the higher plateau is only about half the saturation value expected for spin-1 Co^{3+} ions. These findings strongly suggest collective behavior induced by interactions between different electronic configurations of Co^{3+} ions. We propose a model that predicts crystalline spin textures and a cascade of four magnetic phase transitions at high fields, of which the first two account for the experimental data.
Authors:
M M Altarawneh; G-W Chern; N Harrison; C D Batista; A Uchida; M Jaime; D G Rickel; S A Crooker; C H Mielke; J B Betts; J F Mitchell; M J R Hoch
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Publication Detail:
Type:  Journal Article     Date:  2012-07-16
Journal Detail:
Title:  Physical review letters     Volume:  109     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-08-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  037201     Citation Subset:  IM    
Affiliation:
National High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA and Department of Physics, Mu'tah University, Mu'tah, Karak, 61710, Jordan.
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