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2 results on '"Kumei T"'

1. The preparation and characterization of tabular, pearlescent Fe-doped potassium lithium titanate

Author

Liu, Xiangwen, Devaraju, M.K., Yin, Shu, Sumiyoshi, A., Kumei, T., Nishimoto, K., and Sato, Tsugio

Subjects
*POTASSIUM compounds, *LITHIUM titanate, *POTASSIUM chloride, *TEMPERATURE effect, *CRYSTAL optics, *BAND gaps
Abstract

Abstract: Potassium chloride was used as flux to prepare tabular crystals of both potassium lithium titanate and Fe-doped potassium lithium titanate employing an optimum mass ratio of flux:raw materials. The effects of the dopant and its concentration and the calcination temperature on the morphology of the Fe-doped potassium lithium titanate were investigated. The crystal phases and optical properties of Fe-doped potassium lithium titanate were characterized using X-ray diffraction analysis and UV–vis spectrophotometry, respectively. The influence of dopant concentration on the colour, band gap narrowing and lattice constants of Fe-doped potassium lithium titanate are discussed. [Copyright &y& Elsevier]

Published
2010
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2. The preparation and characterization of tabular, pearlescent Fe-doped potassium lithium titanate

Author

Akiko Sumiyoshi, Tsugio Sato, Xiangwen Liu, Shu Yin, Takayuki Kumei, Murukanahally Kempaiah Devaraju, Kenji Nishimoto, Liu, Xiangwen, Devaraju, MK, Yin, Shu, Sumiyoshi, A, Kumei, T, Nishimoto, K, and Sato, Tsugio

Subjects
Engineering, Chemical, Materials science, Band gap, General Chemical Engineering, Potassium, Inorganic chemistry, chemistry.chemical_element, doping, law.invention, Crystal, Lattice constant, law, Spectrophotometry, morphology, medicine, Calcination, Materials Science, Textiles, red shift, pearlescent, potassium lithium titanate, medicine.diagnostic_test, Dopant, Process Chemistry and Technology, Doping, Chemistry, Applied, flux, tabular, chemistry
Abstract

Potassium chloride was used as flux to prepare tabular crystals of both potassium lithium titanate and Fe-doped potassium lithium titanate employing an optimum mass ratio of flux: raw materials. The effects of the dopant and its concentration and the calcination temperature on the morphology of the Fe-doped potassium lithium titanate were investigated. The crystal phases and optical properties of Fe-doped potassium lithium titanate were characterized using X-ray diffraction analysis and UV-vis spectrophotometry, respectively. The influence of dopant concentration on the colour, band gap narrowing and lattice constants of Fe-doped potassium lithium titanate are discussed. Refereed/Peer-reviewed

Published
2010

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