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Journal Articles

Anomalous structure of liquid Bi studied by coherent QENS and time-space correlation analysis

Kawakita, Yukinobu; Kikuchi, Tatsuya*

Hamon, 29(2), p.91 - 94, 2019/05

Bismuth (Bi) has a double-layered structure based on Peierls distortion in crystalline phase. Complicated static structure in liquid phase which cannot be interpreted by a simple packing model has been conjectured that Peierls distortion may remain even in liquid phase. We measured quasi-elastic neutron scattering (QENS) of liquid Bi by using AMATERAS installed at BL14 beamport of Materials and Life Science Experimental Facility (MLF) in J-PARC and analyzed coherent QENS spectra. A time-space correlation function revealed that the nearest neighboring shell followed by a shoulder-like structure at longer side consists of four contributions of short and long correlations with relatively long relaxation time of a few tens pico second and medium-ranged and the longest correlations with a short relaxation time of sub-pico second, which is a direct observation of the existing layered structure in liquid Bi. In this article, we report the above scientific results and the method to analyze coherent QENS by the time-space correlation function.

JAEA Reports

Utilization of actinide as cell active materials; Effective utilization of uranium as battery active material, JAERI's nuclear research promotion program, H10-034-2 (Contract research)

Yamana, Hajimu*; Moriyama, Hirotake*; Asano, Hideki*; Shiokawa, Yoshinobu*; Yamamura, Tomoo*; Hasegawa, Kazuki*; Kimura, Akihiro*; Umekita, Satoshi*

JAERI-Tech 2002-018, 33 Pages, 2002/03

JAERI-Tech-2002-018.pdf:1.95MB

no abstracts in English

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