Study of doping effects in As2Se3 and As2S3 from first-principles calculations

• Grant number: 19/26088-8
• Support Opportunities: Scholarships in Brazil - Post-Doctorate
• Effective date (Start): February 01, 2020
• Effective date (End): January 31, 2022
• Field of knowledge: Physical Sciences and Mathematics - Physics - Condensed Matter Physics
• Principal Investigator: Alex Antonelli
• Grantee: Anderson Silva Chaves
• Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
• Associated research grant: 16/23891-6 - Computer modeling of condensed matter, AP.TEM

Abstract

The purpose of the study is to determine and characterize, through first-principle calculations, doping impurities that modify the transport properties of electric carriers in the As2Se3 and As2S3 calcogen compounds, in order to maximize their figures of merit, aiming at the use of compounds in thermoelectric applications. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

CHAVES, ANDERSON S.; ANTONELLI, ALEX; LARSON, DANIEL T.; KAXIRAS, EFTHIMIOS. Boosting the efficiency of ab initio electron-phonon coupling calculations through dual interpolation. Physical Review B, v. 102, n. 12, SEP 11 2020. (19/26088-8, 15/26434-2, 18/01274-0, 17/26105-4, 16/23891-6)

CHAVES, ANDERSON S.; LARSON, DANIEL T.; KAXIRAS, EFTHIMIOS; ANTONELLI, ALEX. Microscopic origin of the high thermoelectric figure of merit of n-doped SnSe. Physical Review B, v. 104, n. 11, SEP 24 2021. (19/26088-8, 16/23891-6, 17/26105-4, 13/08293-7, 15/26434-2, 10/16970-0)

CHAVES, ANDERSON S.; GONZALEZ-ROMERO, ROBERT LUIS; MELENDEZ, JUAN J.; ANTONELLI, ALEX. Investigating charge carrier scattering processes in anisotropic semiconductors through first-principles calculations: the case of p-type SnSe. Physical Chemistry Chemical Physics, v. 23, n. 2, p. 900-913, JAN 14 2021. (15/26434-2, 16/23891-6, 17/26105-4, 13/08293-7, 19/26088-8, 10/16970-0)