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Lei Zhang, Shichun Li. Empirical Atom Model of Vegard's Law[J]. Physica B: Condensed Matter, 2014, 434: 38-43.
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7Â¥: Originally posted by С·²ÏÂɽ at 2014-07-28 17:20:06
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9Â¥2014-08-02 06:16:04
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FN        Thomson Reuters Web of Science™
VR        1.0
PT        J
AU        Zhang, L
Li, SC
AF        Zhang, Lei
Li, Shichun
TI        Empirical atom model of Vegard's law
SO        PHYSICA B-CONDENSED MATTER
LA        English
DT        Article
DE        Vegard's law; Electron density; Atom radius; Thomas-Fermi-Dirac; Cohesive energy; Lattice parameter
ID        SOLID-SOLUTIONS; LATTICE-PARAMETER; ALLOYS; DEVIATIONS; CONSTANT
AB        Vegard's law seldom holds true for most binary continuous solid solutions. When two components form a solid solution, the atom radii of component elements will change to satisfy the continuity requirement of electron density at the interface between component atom A and atom B so that the atom with larger electron density will expand and the atom with the smaller one will contract. If the expansion and contraction of the atomic radii of A and B respectively are equal in magnitude, Vegard's law will hold true. However, the expansion and contraction of two component atoms are not equal in most situations. The magnitude of the variation will depend on the cohesive energy of corresponding element crystals. An empirical atom model of Vegard's law has been proposed to account for signs of deviations according to the electron density at Wigner-Seitz cell from Thomas-Fermi-Dirac-Cheng model. (C) 2013 Elsevier B.V. All rights reserved
C1        [Zhang, Lei; Li, Shichun] China Univ Petr, Coll Electromech Engn, Dept Mat, Qingdao 266555, Peoples R China.
[Zhang, Lei] Yantai Univ, Sch Electromech Automobile Engn, Yantai 264005, Shandong, Peoples R China.
RP        Zhang, L (reprint author), Yantai Univ, Sch Electromech Automobile Engn, 30 Qing Quan Rd, Yantai 264005, Shandong, Peoples R China.
EM        zhleile2002@163.com
FU        National Natural Science Foundation of China [50371059]
FX        This work was supported by the National Natural Science Foundation of China under Grant No. 50371059.
NR        33
TC        0
Z9        0
PU        ELSEVIER SCIENCE BV
PI        AMSTERDAM
PA        PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN        0921-4526
EI        1873-2135
J9        PHYSICA B
JI        Physica B
PD        FEB 1
PY        2014
VL        434
BP        38
EP        43
DI        10.1016/j.physb.2013.10.066
PG        6
WC        Physics, Condensed Matter
SC        Physics
GA        281QU
UT        WOS:000329116900007
ER       
EF
2Â¥2014-07-28 16:46:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhleile200

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ÒýÓûØÌû:
2Â¥: Originally posted by С·²ÏÂɽ at 2014-07-28 16:46:34
FN        Thomson Reuters Web of Science™
VR        1.0
PT        J
AU        Zhang, L
Li, SC
AF        Zhang, Lei
Li, Shichun
TI        Empirical atom model of Vegard's law
SO        PHYSICA B-CONDENSED MATTER
LA        English
DT        Artic ...

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4Â¥2014-07-28 16:51:38
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