activity
20102023
most citedVacancy defects induced changes in the electronic and optical properties of NiO studied by spectroscopic ellipsometry and first-principles calculations

102 citations · 312 across the 15 of their papers we have counts for

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Showing cond-mat.mtrl-sciShow all

8 papers · 1 filter

cond-mat.mtrl-sci2023★ 11 cited

Mechanical properties of cubic boron nitride and diamond at dynamical pressure and temperature

Srihari M. Kastuar, Zhong-Li Liu, Sina Najmaei +1

We report the mechanical properties of cubic boron nitride (c-BN) and diamond under the combined impact of dynamical pressure and temperature, calculated using ab initio molecular…

cond-mat.mtrl-sci2020★ 102 cited

Vacancy defects induced changes in the electronic and optical properties of NiO studied by spectroscopic ellipsometry and first-principles calculations

Kingsley O. Egbo, Chao Ping Liu, Chinedu E. Ekuma +1

Native defects in semiconductors play an important role in their optoelectronic properties. Nickel oxide (NiO) is one of the few wide-gap p-type oxide semiconductors and its conduc…

cond-mat.mtrl-sci2020★ 12 cited

Investigating elastic constants across diverse strain-matrix sets

Zhong-Li Liu, Ya-Dong Wei, Xiao-Dong Xu +5

Elastic constants and mechanical properties play a pivotal role across multiple disciplines and engineering applications. We introduced the optimized high-efficient strain-matrix s…

cond-mat.mtrl-sci2019★ 5 cited

Surface passivated and encapsulated ZnO atomic layer by high- ultrathin MgO layer

C. E. Ekuma, S. Najmaei, M. Dubey

Atomically transparent vertically aligned ZnO-based van der Waals material have been developed by surface passivation and encapsulation with atomic layers of MgO using materials by…

cond-mat.mtrl-sci2016

Comments on All-electron mixed basis GW calculations of TiO2 and ZnO crystals

Diola Bagayoko, Yacouba Issa Diakité, Chinedu E. Ekuma +1

These brief comments on the article in Phys. Rev. B 93, 155116 (2016), address an inadvertent misrepresentation of the capabilities of density functional theory (DFT) and of its lo…

cond-mat.mtrl-sci2014

Ab-Initio computations of electronic and transport properties of wurtzite aluminum nitride

Ifeanyi H. Nwigboji, John I. Ejembi, Yuriy Malozvosky +5

We report findings from several ab-initio, self-consistent calculations of electronic and transport properties of wurtzite aluminum nitride. Our calculations utilized a local densi…

cond-mat.mtrl-sci2012★ 3 cited

First Principle Local Density Approximation Description of the Electronic Properties of Ferroelectric Sodium Nitrite

C. E. Ekuma, M. Jarrell, J. Moreno +4

The electronic structure of the ferroelectric crystal, NaNO, is studied by means of first-principles, local density calculations. Our ab-initio, non-relativistic calculations e…

cond-mat.mtrl-sci2010★ 44 cited

Ab-initio Electronic and Structural Properties of Rutile Titanium Dioxide

C. E. Ekuma, D. Bagayoko

Ab-initio, self-consistent electronic energy bands of rutile TiO2 are reported within the local density functional approximation (LDA). Our first principle, non-relativistic and gr…