Source:http://linkedlifedata.com/resource/pubmed/id/18558758
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
27
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pubmed:dateCreated |
2008-7-8
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pubmed:abstractText |
The heat capacity of the title organic free radical, PhBABI, was measured over 0.3-300 K by adiabatic calorimetry and relaxation methods in the presence of external magnetic fields up to 9 T. A hump in the magnetic heat capacity was observed with a maximum at about 15 K in zero field, which did not shift at fields up to 9 T. The experimental magnetic entropy was in good agreement with the theoretical value of R ln 2 (= 5.76 J K(-1) mol(-1)) for S = 1/2 systems. The higher temperature, field-insensitive feature was fitted to several antiferromagnetic Heisenberg models. The best fits were obtained using spin ladder and coupled spin bilayer models.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:status |
PubMed-not-MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
1520-6106
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
10
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pubmed:volume |
112
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
8144-50
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pubmed:year |
2008
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pubmed:articleTitle |
Magnetostructural study of 2-(4-N-tert-butylaminoxylphenyl)benzimidazole.
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pubmed:affiliation |
Research Center for Molecular Thermodynamics, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan. miyazaki@chem.sci.osaka-u.ac.jp
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pubmed:publicationType |
Journal Article
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