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Title: THE CRYSTAL STRUCTURE OF THORIUM AND ZIRCONIUM DIHYDRIDES BY X-RAY AND NEUTRON DIFFRACTION

Abstract

Thorium forms a tetragonal lower hydride of composition ThH{sub 2}. The hydrides ThH{sub 2}, ThD{sub 2} and ZrD{sub 2} have been studied by neutron diffraction in order that hydrogen positions could be determined. The hydrides are isomorphous, and have a deformed fluorite structure. Metal-hydrogen distances in thorium hydride are unusually large, as in UH{sub 3}. Thorium and zirconium scattering amplitudes and a revised scattering amplitude for deuterium are reported.

Authors:
; ;
Publication Date:
Research Org.:
Ames Lab.; Oak Ridge National Lab. (US)
Sponsoring Org.:
US Atomic Energy Commission (AEC) (US)
OSTI Identifier:
4407800
Report Number(s):
AECU-1275
TRN: US200504%%390
DOE Contract Number:  
W-7405-eng-82
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 20 Apr 1951
Country of Publication:
United States
Language:
English
Subject:
08 HYDROGEN; 36 MATERIALS SCIENCE; FLUORITE; HYDRIDES; HYDROGEN; NEUTRON DIFFRACTION; SCATTERING AMPLITUDES; THORIUM; THORIUM HYDRIDES; ZIRCONIUM; CALCIUM FLUORIDES; CONFIGURATION; CRYSTALS; DEFORMATION; DEUTERIUM COMPOUNDS; DIFFRACTION; NEUTRONS; SCATTERING; URANIUM HYDRIDES; X RADIATION; ZIRCONIUM HYDRIDES

Citation Formats

Rundle, R.E., Shull, C.G., and Wollan, E.O. THE CRYSTAL STRUCTURE OF THORIUM AND ZIRCONIUM DIHYDRIDES BY X-RAY AND NEUTRON DIFFRACTION. United States: N. p., 1951. Web. doi:10.2172/4407800.
Rundle, R.E., Shull, C.G., & Wollan, E.O. THE CRYSTAL STRUCTURE OF THORIUM AND ZIRCONIUM DIHYDRIDES BY X-RAY AND NEUTRON DIFFRACTION. United States. doi:10.2172/4407800.
Rundle, R.E., Shull, C.G., and Wollan, E.O. Fri . "THE CRYSTAL STRUCTURE OF THORIUM AND ZIRCONIUM DIHYDRIDES BY X-RAY AND NEUTRON DIFFRACTION". United States. doi:10.2172/4407800. https://www.osti.gov/servlets/purl/4407800.
@article{osti_4407800,
title = {THE CRYSTAL STRUCTURE OF THORIUM AND ZIRCONIUM DIHYDRIDES BY X-RAY AND NEUTRON DIFFRACTION},
author = {Rundle, R.E. and Shull, C.G. and Wollan, E.O.},
abstractNote = {Thorium forms a tetragonal lower hydride of composition ThH{sub 2}. The hydrides ThH{sub 2}, ThD{sub 2} and ZrD{sub 2} have been studied by neutron diffraction in order that hydrogen positions could be determined. The hydrides are isomorphous, and have a deformed fluorite structure. Metal-hydrogen distances in thorium hydride are unusually large, as in UH{sub 3}. Thorium and zirconium scattering amplitudes and a revised scattering amplitude for deuterium are reported.},
doi = {10.2172/4407800},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Apr 20 00:00:00 EST 1951},
month = {Fri Apr 20 00:00:00 EST 1951}
}

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