Diffuse neutron scattering measurements of Ag $_{2}$ O and Cu $_{2}$ O

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

The correlation effects among thermal displacements of atoms in Ag $_{2}$ O and Cu $_{2}$ O are studied at 8 and 295 K by diffuse neutron scattering method. The force constants of these substances are obtained from the correlation effects and Debye-Waller temperature parameters. The mean square of the thermal displacements of atoms can be obtained in terms of correlation effects and Debye-Waller temperature parameters. The inter-atomic force constants among first and second nearest neighboring atoms have been estimated at room temperature. The calculated force constants in the present works were almost equal to that of ionic crystals.

Language	:	English
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Meeting title	:	1st Asia-Oceania Conference on Neutron Scattering (1st AOCNS)
Held date	:	2011/11
Location (city)	:	Tsukuba
Location (country)	:	Japan
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Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Article of JAEA R&D Review	:
Cooperating Institute	:	茨城大学

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Registration No. : BB20112274
JAEA Abstracts No. :
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Diffuse neutron scattering measurements of AgO and CuO

Diffuse neutron scattering measurements of Ag $_{2}$ O and Cu $_{2}$ O