Incommensurate-Commensurate Phase Transition in Rb_2ZnBr_4
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概要
- 論文の詳細を見る
The existence of the successive long-period superstructures, or the "devil'sstaircase", in the temperature evolution of the incommensurateJy modulated struc-lure has been examined in Rb.ZnBr. by the neutron diffraction method. Detailedmeasurements of the third order satellite scattering in the temperature regionclose to the incommensurate-to-commensurate phase transition have shownthat the temperature evoltttion takes place in more complicated manners thanpreviously reported for this compound. At least three different modulations withdistinct wave nttmbers separated by finite gaps coexist and each of them changescontinuously with temperature accompanying the change in the population ofthe domains corresponding to the respective wave numbers. Assignment of somepart of the wave number vs temperature curves to the stairs with fractionalnumbers afforded no positive evidence of the "devil's staircase".
- 社団法人日本物理学会の論文
- 1983-07-15
著者
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IIZUMI Masashi
Department of Physics,Japan Atomic Energy Research Institute
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Iizumi Masashi
Department Of Physics Japan Atomic Energy Research Institute
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Gesi Kazuo
Department Materials Science College Of Science And Engineering Iwaki Meisei University
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Gesi Kazuo
Department Of Physics Japan Atomic Energy Research Institute
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