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Inter-atomic force constants of Ag$$_{2}$$O from diffuse neutron scattering measurement

中性子散漫散乱によるAg$$_{2}$$O原子間の力定数解析

和田 保*; 佐久間 隆*; 酒井 竜太郎*; 上原 寛之*; Xianglian*; 高橋 東之*; 神嶋 修*; 井川 直樹 ; Danilkin, S. A.*

Wada, Tamotsu*; Sakuma, Takashi*; Sakai, Ryutaro*; Uehara, Hiroyuki*; Xianglian*; Takahashi, Haruyuki*; Kamishima, Osamu*; Igawa, Naoki; Danilkin, S. A.*

8K及び295KのAg$$_{2}$$Oの中性子回折測定を行い、原子熱変位における相関効果から中性子散漫散乱を解析した。Debye-Waller温度因子から求めたAg$$_{2}$$Oの第1,第2及び第3最近接原子間の力定数から結晶構造と原子間相関効果の関係について検討する。

Diffuse neutron scattering measurement on Ag$$_{2}$$O crystals was performed at 8 K and 295 K. The observed diffuse scattering intensities were analyzed by including the correlation effects among thermal displacements of atoms in Ag$$_{2}$$O. Using the values of correlation effects among neighboring atoms and the values of Debye-Waller temperature parameter, force constants among first, second and third nearest neighboring atoms have been evaluated.

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パーセンタイル:31.07

分野:Chemistry, Physical

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