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T. Makhsun
Institute of Applied Beam Science, Ibaraki University, Mito 310-8512, Japan Center for Technology of Radiation Safety and Metrology, National Nuclear Energy Agency, Jakarta 12070, Indonesia
Materials Science & Nanotechnology

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Derivation of Inter-Atomic Force Constants of Cu2O from Diffuse Neutron Scattering Measurement T. Makhsun; T. Sakuma; E. Kartini; R. Sakai; H. Takahashi; N. Igawa; S.A. Danilkin
Atom Indonesia Vol 39, No 1 (2013): April 2013
Publisher : PPIKSN-BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/aij.2013.217

Abstract

Neutron scattering intensity from Cu2O 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 Cu2O were estimated from the correlation parameters and compared to those of Ag2O.Received: 16 January 2013; Revised: 10 April 2013; Accepted: 15 April 2013
Co-Authors E. Kartini H. Takahashi N. Igawa R. Sakai S.A. Danilkin T. Sakuma