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Radial x-ray diffraction of tungsten tetraboride to 86 GPa under nonhydrostatic compression
Xiong L(熊伦); Liu J(刘景); Bai LG(白利刚); Xiong, L; Liu, J; Bai, LG; Li, YC; Lin, CL; He, DW; Peng, F; Lin, JF; Li YC(李延春); Lin CL(林传龙); He DW(何端伟)
2013
发表期刊JOURNAL OF APPLIED PHYSICS
卷号113期号:3页码:33507
摘要Investigations of the equation of state of tungsten tetraboride (WB4) have been performed under nonhydrostatic compression to 85.8 GPa using radial x-ray diffraction techniques in a diamond anvil cell at room temperature. The hexagonal structure of WB4 is found to be stable up to the highest pressure of 85.8 GPa. The radial x-ray diffraction data yield a bulk modulus K-0 = 319(5) GPa with K-0' - 4.1(0.2) at psi - 54.7 degrees. With a fixed K-0' of 4, the derived K-0 is 323(1) GPa. The bulk modulus obtained from fits of diffraction data at psi - 0 degrees and 90 degrees is 196(6) GPa and 507(13) GPa, respectively. The values gradually increased from psi = 0 degrees to 90 degrees, showing the compressibility of the sample strongly depends on the stress environment. In addition, the compressibility of the unit cell axes (alpha- and c-axes) of WB4 demonstrates an almost isotropic nature with pressure increasing. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4775482]
学科领域Physics
DOI10.1063/1.4775482
收录类别SCI
WOS记录号WOS:000313670600017
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被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224525
专题多学科研究中心
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Xiong L,Liu J,Bai LG,et al. Radial x-ray diffraction of tungsten tetraboride to 86 GPa under nonhydrostatic compression[J]. JOURNAL OF APPLIED PHYSICS,2013,113(3):33507.
APA 熊伦.,刘景.,白利刚.,Xiong, L.,Liu, J.,...&何端伟.(2013).Radial x-ray diffraction of tungsten tetraboride to 86 GPa under nonhydrostatic compression.JOURNAL OF APPLIED PHYSICS,113(3),33507.
MLA 熊伦,et al."Radial x-ray diffraction of tungsten tetraboride to 86 GPa under nonhydrostatic compression".JOURNAL OF APPLIED PHYSICS 113.3(2013):33507.
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