activity
20172026
most citedFirst-principles study of two-dimensional electron and hole gases at the head-to-head and tail-to-tail 180 domain walls in PbTiO ferroelectric thin films

22 citations · 41 across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.mtrl-sci2026

Unraveling the effects of anionic vacancies and temperature on mechanical properties of NbC and NbN: Insights from Quantum Mechanical Study

P. W. Muchiri, K. K. Korir, N. W. Makau +2

Transition metal carbides and nitrides (TMCNs), such as niobium carbide (NbC) and niobium nitride (NbN), are of great technological interest due to their exceptional hardness, high…

cond-mat.mtrl-sci2024★ 1 cited

Thermoelastic Properties Of The Ti2AlC MAX Phase: An Ab Initio Study

Bill Clintone Oyomo, Leah Wairimu Mungai, Geoffrey Arusei +4

MAX phases are used on an industrial scale in the transportation, armour, and furnace development sectors, among others. However, data on the dynamical properties of these material…

cond-mat.mtrl-sci2023

High Throughput Screening of Ternary Nitrides with Convolutional Neural Networks

Antony A. Ayieko, Michael O. Atambo, George O. Amolo

The development of new materials is a core aspect of advancement in synthesis and application for industry. There is a vast number of possible chemical permutations of the basic el…

cond-mat.mtrl-sci2022★ 1 cited

The Impact of Nitrogen Doping on Structural and Electronic Properties of Titanium Sesquioxide, Ti 2 O 3 : An ab-initio Study

Lynet Allan, George O Amolo, Julius Mwabora +1

Titanium-based oxides are abundant, chemically stable, non-toxic, and highly versatile materials, with applications ranging from photovoltaics to catalysis. For rutile and anatase…

cond-mat.mtrl-sci2020★ 5 cited

The elastic properties and lattice dynamics for selected 211 MAX phases: A DFT study

G. K. Arusei, M. Chepkoech, G. O. Amolo +1

The elastic properties and lattice dynamics of TiAlC, TiAlN, TiGaC, TiGaN, TiPbC, TiCdC and TiSnC have been investigated using the density functional th…

cond-mat.mtrl-sci2020

The Impact of Anionic Vacancies on the Mechanical Properties of NbC and NbN: An ab initio Study

P. W. Muchiri, K. K. Korir, N. W. Makau +1

The development of super-hard materials has recently focused on systems containing a heavy transition metal and light main group elements. Niobium carbides and nitrides have previo…

cond-mat.mtrl-sci2020

Interplay of lattice distortion and bands near the Fermi level in TiO (=Ca, Sr, Ba)

Patrick Ning'i, Stephen Chege, James Sifuna +1

The structural and electronic properties of TiO (=Ca, Sr, Ba) have been investigated under strain-free situation and with realistic constraints using first-principles cal…

cond-mat.mtrl-sci2020★ 22 cited

First-principles study of two-dimensional electron and hole gases at the head-to-head and tail-to-tail 180 domain walls in PbTiO ferroelectric thin films

James Sifuna, Pablo García-Fernández, George S. Manyali +2

We study from first-principles the structural and electronic properties of head-to-head (HH) and tail-to-tail (TT) 180 domain walls in isolated free-standing PbTiO sl…

cond-mat.mtrl-sci2020★ 1 cited

Two-Dimensional graphene-HfS van der Waals heterostructure as electrode material for Alkali-ion batteries

Gladys King'ori, Cecil N M Ouma, Abshiek Mishra +2

Poor electrical conductivity and large volume expansion during repeated charge and discharge is what has characterized many battery electrode materials in current use. This has led…

cond-mat.mtrl-sci2020

Comparison of band-fitting and Wannier-based model construction for WSe

James Sifuna, Pablo García-Fernández, George S. Manyali +2

Transition metal dichalcogenide materials are being thoroughly studied due to their novel two-dimensional structure, that is associated with exceptional opti…

cond-mat.mtrl-sci2017

Adhesion of the electrodes on diamond device surfaces

Tom Ichibha, Kenta Hongo, Isaac Motochi +3

Appropriate candidates of the metallic sheet used for the electrodes of diamond semiconductor are investigated using computational approaches based on density functional theory (DF…

physics.chem-ph2017★ 11 cited

Partial Density of States Ligand Field Theory (PDOS-LFT): Recovering a LFT-Like Picture and Application to Photoproperties of Ruthenium(II) Polypyridine Complexes

Denis Magero, Mark E. Casida, George Amolo +2

Gas phase density-functional theory (DFT) and time-dependent DFT (TD-DFT) calculations are reported for a data base of 98 ruthenium(II) polypyridine complexes. Comparison with X-ra…