Derivation of Inter-Atomic Force Constants of Cu2O from Diffuse Neutron Scattering Measurement | Zendy

T. Makhsun | Zendy; Takahiko Sakuma | Zendy; Evvy Kartini | Zendy; Ryosuke Sakai | Zendy; H. Takahashi | Zendy; Naoki Igawa | Zendy; Sergey Danilkin | Zendy

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Derivation of Inter-Atomic Force Constants of Cu<sub>2</sub>O from Diffuse Neutron Scattering Measurement

Author(s) -

T. Makhsun,

Takahiko Sakuma,

Evvy Kartini,

Ryosuke Sakai,

H. Takahashi,

Naoki Igawa,

Sergey Danilkin

Publication year - 2013

Publication title -

atom indonesia

Language(s) - English

Resource type - Journals

eISSN - 2356-5322

pISSN - 0126-1568

DOI - 10.17146/aij.2013.217

Subject(s) - scattering , diffractometer , intensity (physics) , materials science , neutron scattering , atomic physics , neutron , small angle neutron scattering , analytical chemistry (journal) , crystallography , chemistry , physics , optics , nuclear physics , crystal structure , chromatography

Neutron scattering intensity from Cu 2 O compound has been measured at 10 K and 295 K with High Resolution Powder Diffractometer at JRR-3 JAEA. The oscillatory diffuse scattering related to correlations among thermal displacements of atoms was observed at 295 K. The correlation parameters were determined from the observed diffuse scattering intensity at 10 and 295 K. The force constants between the neighboring atoms in Cu 2 O were estimated from the correlation parameters and compared to those of Ag 2 O. Received: 16 January 2013; Revised: 10 April 2013; Accepted: 15 April 2013

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