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Oh, Yoon Seok
Laboratory for Strong Correlation in Quantum Materials
Research Interests
  • Multiferroic
  • Ferroelectric
  • Quantum Magnetism

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Specific heat of a YCrO3 single crystal as investigated by a Si-N membrane based microcalorimeter

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dc.contributor.author Kim, J. W. ko
dc.contributor.author Oh, Yoon Seok ko
dc.contributor.author Suh, Y. D. ko
dc.contributor.author Park, Y. D. ko
dc.contributor.author Kim, Kee Hoon ko
dc.date.available 2015-07-23T02:13:23Z -
dc.date.created 2015-07-08 ko
dc.date.issued 2007-04 ko
dc.identifier.citation THERMOCHIMICA ACTA, v.455, no.1, pp.2 - 6 ko
dc.identifier.issn 0040-6031 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/12398 -
dc.description.abstract We report the specific heat measurement of a YCrO3 single crystal in a wide temperature range from 30 to 360 K by use of a newly designed microcalorimeter with high sensitivity about ∼1 μJ/K. The measured heat capacity data exhibit a λ-like shape at the Néel temperature TN ≈ 140 K as consistent with the second order magnetic transition. When the phonon specific heat is subtracted by use of that of a non-magnetic analogue LaGaO3 with an orthorhombic structure, the remaining entropy is much higher than the expected magnetic entropy from Cr3+ (S = 3/2) ions. We attribute the excess entropy to the additional phonon entropy caused by the monoclinic structure of YCrO3, which can be intimately related to its ferroelectric property. © 2006 Elsevier B.V. All rights reserved. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher ELSEVIER SCIENCE BV ko
dc.title Specific heat of a YCrO3 single crystal as investigated by a Si-N membrane based microcalorimeter ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-33847249856 ko
dc.identifier.wosid 000245562700002 ko
dc.type.rims ART ko
dc.description.wostc 5 *
dc.description.scopustc 6 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-04 *
dc.identifier.doi 10.1016/j.tca.2006.12.007 ko
dc.identifier.url http://www.sciencedirect.com/science/article/pii/S0040603106006125 ko
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