DEVELOPMENT OF AN EMBEDDED-ATOM POTENTIAL FOR A BCC METAL - VANADIUM

被引:108
作者
ADAMS, JB [1 ]
FOILES, SM [1 ]
机构
[1] SANDIA NATL LABS, DIV THEORET, LIVERMORE, CA 94551 USA
关键词
D O I
10.1103/PhysRevB.41.3316
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An empirical embedded-atom potential for a bcc metal (vanadium) has been developed by fitting the embedding function, electron density, and pair interaction to the lattice constant, cohesive energy, elastic constants, and vacancy-formation energy. This potential has been used to calculate vacancy and divacancy properties, interstitial properties, thermal expansion, bulk-phonon dispersion, surface relaxation, surface energy, and liquid volume; in all cases the calculations are in reasonable agreement with experiment. © 1990 The American Physical Society.
引用
收藏
页码:3316 / 3328
页数:13
相关论文
共 67 条
[31]   THE (100) SURFACES OF CHROMIUM AND VANADIUM - RECONSIDERATIONS OF THEIR STRUCTURE AND REACTIVITY [J].
FOORD, JS ;
REED, APC ;
LAMBERT, RM .
SURFACE SCIENCE, 1983, 129 (01) :79-91
[32]   NUCLEAR MAGNETIC-RESONANCE STUDY OF ATOMIC MOTIONS IN VANADIUM [J].
GUNTHER, B ;
KANERT, O .
ACTA METALLURGICA, 1983, 31 (06) :909-917
[33]   ADSORPTION ON NIOBIUM (110) TANTALUM (110) AND VANADIUM (110) SURFACES [J].
HAAS, TW ;
JACKSON, AG ;
HOOKER, MP .
JOURNAL OF CHEMICAL PHYSICS, 1967, 46 (08) :3025-&
[34]   POINT-DEFECT AND STACKING-FAULT PROPERTIES IN BODY-CENTERED-CUBIC METALS WITH N-BODY INTERATOMIC POTENTIALS [J].
HARDER, JM ;
BACON, DJ .
PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1986, 54 (05) :651-661
[35]   INTERATOMIC INTERACTIONS IN THE EFFECTIVE-MEDIUM THEORY [J].
JACOBSEN, KW ;
NORSKOV, JK ;
PUSKA, MJ .
PHYSICAL REVIEW B, 1987, 35 (14) :7423-7442
[36]   POINT-DEFECTS IN VANADIUM INVESTIGATED BY MOSSBAUER-SPECTROSCOPY AND POSITRON-ANNIHILATION [J].
JANOT, C ;
GEORGE, B ;
DELCROIX, P .
JOURNAL OF PHYSICS F-METAL PHYSICS, 1982, 12 (01) :47-57
[37]   THE SURFACE-STRUCTURE OF V(100) [J].
JENSEN, V ;
ANDERSEN, JN ;
NIELSEN, HB ;
ADAMS, DL .
SURFACE SCIENCE, 1982, 116 (01) :66-84
[38]  
Johnson R. M., UNPUB
[39]   INTERSTITIALS + VACANCIES IN ALPHA IRON [J].
JOHNSON, RA .
PHYSICAL REVIEW A-GENERAL PHYSICS, 1964, 134 (5A) :1329-&
[40]  
LUNDY TS, 1965, T METALL SOC AIME, V233, P243