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pubmed-article:21393689rdf:typepubmed:Citationlld:pubmed
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pubmed-article:21393689pubmed:dateCreated2011-3-11lld:pubmed
pubmed-article:21393689pubmed:abstractTextWe have investigated structural and magnetic phase transitions under high pressures in a quaternary rare-earth transition-metal arsenide oxide NdCoAsO compound that is isostructural to the high temperature superconductor parent phase NdFeAsO. The four-probe electrical resistance measurements carried out in a designer diamond anvil cell show that the ferromagnetic Curie temperature and antiferromagnetic Néel temperature increase with an increase in pressure. High pressure x-ray diffraction studies using a synchrotron source show a structural phase transition from a tetragonal phase to a new crystallographic phase at a pressure of 23 GPa at 300 K. The NdCoAsO sample remained antiferromagnetic and non-superconducting down to 10 K and up to the highest pressure achieved in this experiment, 53 GPa. A P-T phase diagram for NdCoAsO is presented from ambient conditions to P = 53 GPa and T = 10 K.lld:pubmed
pubmed-article:21393689pubmed:languageenglld:pubmed
pubmed-article:21393689pubmed:journalhttp://linkedlifedata.com/r...lld:pubmed
pubmed-article:21393689pubmed:statusPubMed-not-MEDLINElld:pubmed
pubmed-article:21393689pubmed:monthMaylld:pubmed
pubmed-article:21393689pubmed:issn1361-648Xlld:pubmed
pubmed-article:21393689pubmed:authorpubmed-author:SalesBrian...lld:pubmed
pubmed-article:21393689pubmed:authorpubmed-author:MandrusDavidDlld:pubmed
pubmed-article:21393689pubmed:authorpubmed-author:VohraYogesh...lld:pubmed
pubmed-article:21393689pubmed:authorpubmed-author:SefatAthena...lld:pubmed
pubmed-article:21393689pubmed:authorpubmed-author:McGuireMichae...lld:pubmed
pubmed-article:21393689pubmed:authorpubmed-author:TsoiGeorgiy...lld:pubmed
pubmed-article:21393689pubmed:authorpubmed-author:WeirSamuel...lld:pubmed
pubmed-article:21393689pubmed:authorpubmed-author:UhoyaWalterWlld:pubmed
pubmed-article:21393689pubmed:issnTypeElectroniclld:pubmed
pubmed-article:21393689pubmed:day12lld:pubmed
pubmed-article:21393689pubmed:volume22lld:pubmed
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pubmed-article:21393689pubmed:pagination185702lld:pubmed
pubmed-article:21393689pubmed:year2010lld:pubmed
pubmed-article:21393689pubmed:articleTitleStructural and magnetic phase transitions in NdCoAsO under high pressures.lld:pubmed
pubmed-article:21393689pubmed:affiliationDepartment of Physics, University of Alabama at Birmingham, Birmingham, AL 35294, USA.lld:pubmed
pubmed-article:21393689pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:21393689pubmed:publicationTypeResearch Support, U.S. Gov't, Non-P.H.S.lld:pubmed