Effect of gradual ordering of Ge/Sb atoms on chemical bonding: A proposed mechanism for the formation of crystalline Ge2Sb2Te5

J Singh, G Singh, A Kaura, SK Tripathi - Journal of Solid State Chemistry, 2018 - Elsevier
Using first principle calculations, we study the atomic arrangement and bonding mechanism
in the crystalline phase of Ge 2 Sb 2 Te 5 (GST). It is found that the stability of GST depends …

Simultaneous Seebeck coefficient and electrical conductivity enhancement of GeSbTe films via Sn addition

P Khwansungnoen, N Daichakomphu, P Sukwisute… - Ceramics …, 2022 - Elsevier
Sn-added GeSbTe (GST) thin films were deposited using a co-magnetron sputtering
technique. The effects of varying the Sn content through a variable Sn target sputtering …

Electronic and Thermoelectric Properties of Layered Sn- and Pb-Doped Ge2Sb2Te5 Alloys Using First Principle Calculations

J Singh, G Singh, A Kaura, SK Tripathi - Journal of Electronic Materials, 2016 - Springer
A computational study on stable hexagonal phase of undoped, and Sn-and Pb-doped Ge 2
Sb 2 Te 5 (GST) phase change materials has been carried out. The electronic structure …

Study of the structure and chemical bonding of crystalline Ge4Sb2Te7 using first principle calculations

J Singh, S Singh, G Singh, A Kaura… - AIP Conference …, 2016 - pubs.aip.org
The atomic arrangements and chemical bonding of stable Ge4Sb2Te7 (GeTe rich), a phase-
change material, have been investigated by means of ab initio total energy calculations. To …