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All Journal Indonesian Journal of Physics (IJP)
Xianglian Xianglian
Institute of Applied Beam Science, Ibaraki University, Hitachi 316-8511, Japan
Astronomy Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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Anneal Temperature Effect on Crystallite Size and Electric Conductivity of LiMn2O4 Khairul Basar; Xianglian Xianglian; Sainer Siagian; Kouta Ohara; Takashi Sakuma; Haruyuki Takahashi; Osami Abe; Naoki Igawa; Yoshinobu Ishii
Indonesian Journal of Physics Vol 20 No 1 (2009): Vol. 20 No. 1, January 2009
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (96.335 KB) | DOI: 10.5614/itb.ijp.2009.20.1.3

Abstract

Powder samples of LiMn2O4 have been prepared by solid state reaction of LiOH and MnO2. Neutron scattering experiments at room temperature and conductivity measurement have been performed on the samples. Anneal temperature effect on the crystallite size and electric conductivity of LiMn2O4 is analyzed. The average crystallite size is obtained from the full width at half maximum (FWHM) of Bragg lines using Scherrer equation. The average crystallite size increases with the increase of anneal temperature. Activation energy and conductivity prefactor increase with anneal temperature.
Co-Authors Haruyuki Takahashi Khairul Basar Kouta Ohara Naoki Igawa Osami Abe Sainer Siagian Takashi Sakuma Yoshinobu Ishii