Search Results - "Amolo, G.O."

First-principle calculations of the bulk properties of 4d transition metal carbides and nitrides in the rocksalt, zincblende and wurtzite structures by KORIR, K. K, AMOLO, G. O, MAKAU, N. W, JOUBERT, D. P

“…Bulk properties and stability of the entire series of group 4d transition metal carbides and nitrides are reported in this work. The theoretical calculations…”
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Metal–semiconductor ohmic contacts: An ab initio Density Functional Theory study of the structural and electronic properties of metal–diamond (111)-(1×1) interfaces by Motochi, I., Makau, N.W., Amolo, G.O.

“…Metal contacts on clean, hydrogenated and oxygenated diamond surfaces have been studied using ab initio Density Functional Theory (DFT). Five metals, i.e.,…”
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The impact of anionic vacancies on the mechanical properties of NbC and NbN: An ab initio study by Muchiri, P.W., Korir, K.K., Makau, N.W., Amolo, G.O.

“…[Display omitted] The development of super-hard materials has recently focused on systems containing heavy transition metal and light non-metallic elements…”
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Elastic and thermal properties of selected 211 MAX phases: A DFT study by Arusei, G.K., Chepkoech, M., Amolo, G.O., Makau, N.W.

“…MAX phases are a class of ternary materials that have continued to play a key role in the field of materials science due to their unique properties that bridge…”
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Hardness characterization parameters of Niobium Carbide and Niobium Nitride: A first principles study by Muchiri, P.W., Mwalukuku, V.M., Korir, K.K., Amolo, G.O., Makau, N.W.

“…Niobium carbides and nitrides have been proposed as potential candidates for hardness and related applications, however, comprehensive studies are still needed…”
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Adhesion of electrodes on diamond (111) surface: A DFT study by Ichibha, Tom, Hongo, Kenta, Motochi, I., Makau, N.W., Amolo, G.O., Maezono, Ryo

“…We explore possible candidates for metallic electrodes of diamond semiconductor from twenty kinds of metallic sheets on oxygen- or hydrogen-terminated diamond…”
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First-principles calculations of the elastic constants of the cubic, orthorhombic and hexagonal phases of BaF2 by Nyawere, P.W.O., Makau, N.W., Amolo, G.O.

“…All the elastic constants of cubic, orthorhombic and hexagonal phases of BaF2 have been calculated using first principles methods. We have employed…”
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First-principle calculations of the bulk properties of 4 d transition metal carbides and nitrides in the rocksalt, zincblende and wurtzite structures by Korir, K.K., Amolo, G.O., Makau, N.W., Joubert, D.P.

“…Bulk properties and stability of the entire series of group 4 d transition metal carbides and nitrides are reported in this work. The theoretical calculations…”
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Ab-initio calculation of formation and migration energies of intrinsic defects in BaF2 by Nyawere, P.W.O., Scandolo, S., Makau, N.W., Amolo, G.O.

“…We have performed ab-initio calculations of the formation and migration energies of intrinsic defects (interstitials, vacancies and Frenkel defects) in barium…”
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Raman and optical absorption studies of proton bombarded CsI by Amolo, G.O., Erasmus, R.M., Comins, J.D., Derry, T.E.

“…CsI single crystals, which have the simple cubic structure, have been bombarded with 1MeV protons at a temperature close to 300K. Optical absorption and Raman…”
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Ion beam induced defects in solids studied by optical techniques by Comins, J.D., Amolo, G.O., Derry, T.E., Connell, S.H., Erasmus, R.M., Witcomb, M.J.

“…Optical methods can provide important insights into the mechanisms and consequences of ion beam interactions with solids. This is illustrated by four…”
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Studies of defects in photonic materials by Amolo, G.O., Comins, J.D., Erasmus, R.M., Derry, T.E.

“…Indium tin oxide (ITO) films have high optical transmission and infrared reflectance, good electrical conductivity, excellent substrate adherence, hardness and…”
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Effects of Ag+ and Au3+ ion implantation of lithium niobate by Amolo, G.O., Comins, J.D., Naidoo, S.R., Connell, S.H., Witcomb, M.J., Derry, T.E.

“…The optical effects of implantation of lithium niobate crystals with 100keV Ag+ and 8MeV Au3+ ions with fluences of 1×1017ions/cm2 have been investigated…”
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Visible and VUV optical absorption studies of Mg-colloids and colour centres in MgF 2 crystals implanted by 100 keV Mg-ions by Amolo, G.O., Comins, J.D., Davidson, A.T., Kozakiewicz, A.G., Derry, T.E., McLachlan, D.S.

“…100 keV Mg ions have been implanted into MgF 2 crystals with a fluence of 10 17 ions/cm 2 at liquid nitrogen temperature. After warming to room temperature…”
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Visible and VUV optical absorption studies of Mg-colloids and colour centres in MgF2 crystals implanted by 100 keV Mg-ions by Amolo, G.O., Comins, J.D., Davidson, A.T., Kozakiewicz, A.G., Derry, T.E., McLachlan, D.S.

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