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New Rotating Anode X-Ray Generator For XAFS Experiments

Published online by Cambridge University Press:  06 March 2019

Kenji Sakurai
Kenji Sakurai*
Affiliation:
National Research Institute for Metals: Tsukuba, Ibaraki 305, Japan Naohisa Osaka, Hitoshi Sakurai, Hajime Izawa Rigaku Corp.: Akishima, Tokyo 100, Japan
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Abstract

A high-power X-ray generator equipped with a lanthanum hexaboride cathode has been developed for X-ray absorption fine structure experiments. A high tube-current of more than 1,000 mA can be provided when operated at low tube-voltage of less than 20 kV. In addition, the focal width is narrow enough (less than 0.1 mm) to ensure good energy resolution. Extremely intense monochromatic X-rays (106 ∼ 107 counts/(sec.mm2) at the sample position), which are completely free from higher order harmonics and tungsten contamination lines, are available, when a Johansson-type spectrometer is employed. The filament life has been significantly prolonged by the high vacuum specification of the tube.

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Type
Research Article
Information
Advances in X-Ray Analysis , Volume 39: Forty-Fourth Annual Conference on Applications of X-ray Analysis, July 31 - August 4, 1995 , 1995 , pp. 149 - 153
Copyright
Copyright © International Centre for Diffraction Data 1995

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