img
Structural Phase Transformation, Intermediate States and Electronic Properties of PbTe Under High Pressure       
Yazarlar
Prof. Dr. Hülya ÖZTÜRK Prof. Dr. Hülya ÖZTÜRK
Kırşehir Ahi Evran Üniversitesi, Türkiye
Gözde Gül Arslan
Doç. Dr. Cihan KÜRKÇÜ Doç. Dr. Cihan KÜRKÇÜ
Ahi Evran Üniversitesi, Türkiye
Çağatay Yamçıçıer
Özet
In this work, density functional theory calculations in the framework of local density approximation (LDA) are performed using the Siesta software package in order to theoretically predict the phase transition mechanism and electronic properties of lead telluride (PbTe) under high hydrostatic pressure. PbTe undergoes a structural phase transformation from the cubic NaCl-type structure (B1) belongs to Fm3m space group to another cubic CsCl-type structure (B2) belongs to Pm3m space group with the influence of external pressure through the simulations. According to simulation results, we suggest a phase transition mechanism having four intermediate states with space groups of P 1; C2=m; R3m and Cmmm.
Anahtar Kelimeler
electronic properties | high pressure | intermediate state | Lead telluride | phase transformation
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale
Dergi Adı JOURNAL OF ELECTRONIC MATERIALS
Dergi ISSN 0361-5235
Dergi Tarandığı Indeksler SCI-Exp, SCOPUS, Curation, Current Contents Physical Chemical & Earth Sciences, Electronics & Telecommunications Collection, Essential Science Indicators, Reference Master, Sophia
Makale Dili İngilizce
Basım Tarihi 05-2020
Cilt No 49
Sayı 5
Sayfalar 3089 / 3095
Doi Numarası 10.1007/s11664-020-08023-y
Makale Linki http://link.springer.com/10.1007/s11664-020-08023-y