CHEMICAL BONDING AND LATTICE-RELAXATION IN SUBSTOICHIOMETRIC TITANIUM CARBIDE AND NITRIDE

被引:13
作者
CAPKOVA, P
SKALA, L
机构
[1] Fuculty of Mathematics and Physics, Charles University
来源
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 1992年 / 171卷 / 01期
关键词
D O I
10.1002/pssb.2221710110
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The rearrangement of interatomic interactions and redistribution of electron densities in titanium carbide and nitride resulting from the existence of the nonmetal vacancy are studied by the CNDO/2 method. The local lattice relaxation is taken into account and the differences and common features in the behaviour of the nonmetal vacancy in titanium carbide and nitride are discussed.
引用
收藏
页码:85 / 94
页数:10
相关论文
共 14 条
[1]   THERMAL VIBRATIONS AND STATIC DISPLACEMENTS OF ATOMS IN NONSTOICHIOMETRIC TITANIUM CARBIDE [J].
CAPKOVA, P ;
KUZEL, R ;
SEDIVY, J .
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 1983, 76 (01) :383-390
[2]   ALL-VALENCE ELECTRON CNDO CALCULATIONS ON TRANSITION-METAL COMPLEXES [J].
CLACK, DW ;
YANDLE, JR ;
HUSH, NS .
JOURNAL OF CHEMICAL PHYSICS, 1972, 57 (08) :3503-+
[3]   VACANCIES AND THE ENERGY-SPECTRUM OF REFRACTORY-METAL COMPOUNDS - TIC AND TIO [J].
GUBANOV, VA ;
IVANOVSKY, AL ;
SHVEIKIN, GP ;
ELLIS, DE .
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1984, 45 (07) :719-730
[4]   VACANCY INDUCED CHANGES IN THE ELECTRONIC-STRUCTURE OF TITANIUM NITRIDE [J].
HERZIG, P ;
REDINGER, J ;
EIBLER, R ;
NECKEL, A .
JOURNAL OF SOLID STATE CHEMISTRY, 1987, 70 (02) :281-294
[5]   THE INFLUENCE OF STRUCTURAL DEFECTS ON THE ELECTRONIC-PROPERTIES OF INTERSTITIAL ALLOYS .1. LATTICE VACANCIES [J].
IVANOVSKY, AL ;
ANISIMOV, VI ;
NOVIKOV, DL ;
LICHTENSTEIN, AI ;
GUBANOV, VA .
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1988, 49 (05) :465-477
[6]   ION CHANNELING IN NBC1-C - DETERMINATION OF LOCAL ATOMIC DISPLACEMENTS AROUND CARBON VACANCIES [J].
KAUFMANN, R ;
MEYER, O .
PHYSICAL REVIEW B, 1983, 28 (11) :6216-6226
[7]   AN APPLICATION OF TI-K X-RAY ABSORPTION EDGES AND FINE-STRUCTURES TO THE STUDY OF SUBSTOICHIOMETRIC TITANIUM CARBIDE TIC1-X [J].
MOISYMAURICE, V ;
DENOVION, CH .
JOURNAL DE PHYSIQUE, 1988, 49 (10) :1737-1751
[8]  
NECKEL A, 1990, NATO ADV SCI I E-APP, V185, P485
[9]   DISTORTION-INDUCED SCATTERING DUE TO VACANCIES IN NBC0.72 [J].
OHSHIMA, K ;
HARADA, J ;
MORINAGA, M ;
GEORGOPOULOS, P ;
COHEN, JB .
ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES, 1988, 44 :167-176
[10]  
Pople J.A., 1972, APPROXIMATE MOL ORBI