Phase Transition in trans-Azobenzene as Studied by ^<14>N NQR
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概要
- 論文の詳細を見る
"N NQR frequencies and T.'s were measured between 54 and 150 K in crystallinetrans-azobcnzcnc which has two different molecular sites, orientationally ordered anddisordered, at room temperature. The NQR parameters at 77 K were determined to bee'Qq/ h = 5.0150 MHz and r7 = 0.4231 for the ordered site, and e'Qq/h=4.96I9 MHzand 77=0.4060 for the disordered site. The fine structure of each resonance line wasobserved by the Fourier transform method. It changes abruptly around 90 K, in-dicating the existence of a phase transition. The fine structures and their change at thephase transition can neither be attributed to the intramolecular dipole interaction be-tween the two nitrogen nuclei, nor to crystallographic inequivalency of the moleculesin the unit cell.
- 社団法人日本物理学会の論文
- 1988-12-15
著者
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CHIHARA Hideaki
Osaka University
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Eguchi T
Muroran Inst. Technol. Muroran
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Eguchi Taro
Institute Of Chemistry College Of General Education
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CHIHARA Hideaki
Department of Chemistry, Faculity of Science, Osaka University
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Chihara H
Osaka Univ. Osaka
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Nakamura Nobuo
Department Of Cardiology Seiyu Memorial Hospital
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KISHITA Michiko
Institute of Chemistry,College of General Education
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Chihara Hideaki
Department Of Chimisty Faculty Of Science Osaka University
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Chihara Hideaki
Department Of Chemistr Faculty Of Science Osaka University
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Kishita Michiko
Institute Of Chemistry College Of General Education
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Nakamura Nobuo
Department Of Chimisty Faculty Of Science Osaka University
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Nakamura Nobuo
Department Of Chemistry. Faculty Of Science Osaka University
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