Structural and thermal properties and the origin of the ultralow thermal conductivity in the defect stannite CuIn2Se4

OP Ojo, WDCB Gunatilleke, H Wang, GS Nolas - Scripta Materialia, 2025 - Elsevier
Abstract Phase-pure CuIn 2 Se 4, a ternary metal chalcogenide that forms in a disordered
stannite crystal structure, was synthesized to investigate the structure thermal property …

A synergistic experimental and theoretical study elucidating the electronic and thermal properties in spinel CuInSnS4

OP Ojo, L Ma, WDCB Gunatilleke, AJ Biacchi… - Materials Research …, 2024 - Elsevier
Quaternary chalcogenides of different structure types continue to be of interest due to the
novel physical properties they exhibit and for applications ranging from optoelectronics to …

Structure and disorder resulting in ultralow thermal conductivity in the defect chalcopyrite AgInSnSe4

OP Ojo, WDCB Gunatilleke, H Wang… - Journal of Alloys and …, 2024 - Elsevier
Quaternary chalcogenides are attractive for a variety of technological fields of interest due to
the diverse physical properties these materials possess. Herein, the structural and thermal …

The electronic, optical and transport properties of BaAgMF (M= Se, Te) quaternary chalcogenides: a systematic first-principles study

MS Khan, B Gul, AS Mohamed, F Abbas - Physica Scripta, 2024 - iopscience.iop.org
Silver-based quaternary semiconductors show distinctive characteristics such as adjustable
optical response and high stability in their thermoelectric nature. Here we performed the first …

Structural stability, electronic band structure, and optoelectronic properties of quaternary chalcogenide CuZn2MS4 (M = In and Ga) compounds via first principles

A Ghosh, R Thangavel - Indian Journal of Physics, 2024 - Springer
Quaternary chalcogenide compositions have gained much attention because of their
promising potential for various optoelectronic applications. The band structure, density of …

[PDF][PDF] Optical characteristics of microcrystalline powders of Ag7 (P1–xSix) S6 solid solutions

TO Malakhovska, AI Pogodin, MJ Filep… - Semiconductor …, 2024 - journal-spqeo.org.ua
Optical characteristics of microcrystalline powders of solid solutions formed in an Ag7PS6-
Ag8SiS6 system were studied. The optical characteristics were determined by the diffuse …

An Investigation of Quaternary Metal Chalcogenide Semiconductors Possessing Intrinsically Low Thermal Conductivity

OP Ojo - 2024 - search.proquest.com
Inorganic materials with unique physical properties are vital components of modern
technology, from electronic devices to energy storage and conversion systems. Recent …

Investigation of the structural and optical properties of Ag2SiS3 chalcogenide semiconductor compound

M Azizi, H Salehi - Quarterly Journal of Optoelectronic, 2024 - jphys.journals.pnu.ac.ir
In the LDA approximation with the pseudo-potential method, and from the density of states
diagram, the value of the band gap are 1.2 eV, 1.4 eV, and 2.37 eV, in the LDA and LDA+ U …