We investigate the nature of hydrogen bonding in cubic (c-BN) and hexagonal boron nitride (h-BN) using a density-functional based nonorthogonal tight-binding scheme. By conjugate gradient methods, we determine stable and metastable bonding positions in fully geometrically optimized crystalline bulk supercells. We describe the geometries and electronic bonding properties in detail and classify the energetic order of the various defects. (C) 1997 Elsevier Science Ltd.
机构:
Bhabha Atom Res Ctr, Res Reactor Serv Div, Mumbai 400085, Maharashtra, IndiaBhabha Atom Res Ctr, Res Reactor Serv Div, Mumbai 400085, Maharashtra, India
Tripathy, Manoj K.
Jena, Naresh K.
论文数: 0引用数: 0
h-index: 0
机构:
Bhabha Atom Res Ctr, Theoret Chem Sect, Bombay 400085, Maharashtra, IndiaBhabha Atom Res Ctr, Res Reactor Serv Div, Mumbai 400085, Maharashtra, India
Jena, Naresh K.
Samanta, Alok K.
论文数: 0引用数: 0
h-index: 0
机构:
Bhabha Atom Res Ctr, Theoret Chem Sect, Bombay 400085, Maharashtra, IndiaBhabha Atom Res Ctr, Res Reactor Serv Div, Mumbai 400085, Maharashtra, India
Samanta, Alok K.
Ghosh, Swapan K.
论文数: 0引用数: 0
h-index: 0
机构:
Bhabha Atom Res Ctr, Theoret Chem Sect, Bombay 400085, Maharashtra, IndiaBhabha Atom Res Ctr, Res Reactor Serv Div, Mumbai 400085, Maharashtra, India
Ghosh, Swapan K.
Chandrakumar, K. R. S.
论文数: 0引用数: 0
h-index: 0
机构:
Bhabha Atom Res Ctr, Theoret Chem Sect, Bombay 400085, Maharashtra, IndiaBhabha Atom Res Ctr, Res Reactor Serv Div, Mumbai 400085, Maharashtra, India