Pressure effects on the metallization and dielectric properties of GaP

2021 ◽  
Author(s):  
Hao Liu ◽  
Jia Wang ◽  
Guozhao Zhang ◽  
Yonghao Han ◽  
Baojia Wu ◽  
...  
Keyword(s):  
Dielectric Properties ◽  
First Principles ◽  
High Pressures ◽  
Pressure Effects ◽  
First Principles Calculations ◽  
Impedance Measurements ◽  
Resistivity Measurements

The metallization and dielectric properties of GaP were systematically studied under high pressures up to 30.2 GPa with resistivity measurements, impedance measurements and first-principles calculations. GaP was found to transform...

Large polarization and dielectric response in epitaxial SrZrO3 films

2016 ◽  
Vol 18 (11) ◽  
pp. 7680-7687 ◽  
Author(s):  
Hao Tian ◽  
Ai-Jie Mao ◽  
Hong Jian Zhao ◽  
Yingqi Cui ◽  
Hui Li ◽  
...  
Keyword(s):  
Thin Films ◽  
Dielectric Properties ◽  
First Principles ◽  
Dielectric Response ◽  
Misfit Strain ◽  
First Principles Calculations

First-principles calculations are performed to investigate the ferroelectric and dielectric properties of (001) epitaxial SrZrO3 thin films under misfit strain.

Unexpected superhard phases of niobium triborides: first-principles calculations

RSC Advances ◽  
2016 ◽  
Vol 6 (54) ◽  
pp. 49214-49220 ◽  
Author(s):  
Xiaofeng Li ◽  
Junyi Du
Keyword(s):  
Density Functional Theory ◽  
First Principles ◽  
Density Functional ◽  
High Pressures ◽  
Density Functional Theory Calculations ◽  
Search Method ◽  
First Principles Calculations ◽  
Functional Theory ◽  
Swarm Optimization ◽  
Structure Search

Using an unbiased structure search method based on particle-swarm optimization algorithms in combination with density functional theory calculations, we investigate the phase stability and electronic properties of NbB3 under high pressures.

Pressure effects on mechanical and electronic properties of metallic C14 by first-principles calculation

2019 ◽  
Vol 33 (18) ◽  
pp. 1950193
Author(s):  
Yingjiao Zhou ◽  
Qun Wei ◽  
Bing Wei ◽  
Ruike Yang ◽  
Ke Cheng ◽  
...  
Keyword(s):  
High Pressure ◽  
Thermodynamic Properties ◽  
First Principles ◽  
Pressure Range ◽  
Phonon Dispersion ◽  
Elastic Anisotropy ◽  
Acoustic Velocity ◽  
Pressure Effects ◽  
First Principles Calculation ◽  
First Principles Calculations

The elastic constants and phonon dispersion of metallic C[Formula: see text] are calculated by first-principles calculations. The results show that the metallic C[Formula: see text] is mechanically and dynamically stable under high pressure. The variations of G/B ratio, Poisson’s ratio, elastic anisotropy, acoustic velocity and Debye temperature at the pressure range from 0 GPa to 100 GPa are analyzed. The results reveal that by adjusting the pressures the elastic anisotropy and thermodynamic properties could be improved for better applicability.

Electronic structure, optical and dielectric properties of BaTiO3/CaTiO3/SrTiO3 ferroelectric superlattices from first-principles calculations

2015 ◽  
Vol 3 (33) ◽  
pp. 8625-8633 ◽  
Author(s):  
Bingcheng Luo ◽  
Xiaohui Wang ◽  
Enke Tian ◽  
Guowu Li ◽  
Longtu Li
Keyword(s):  
Electronic Structure ◽  
Dielectric Properties ◽  
Thermodynamic Properties ◽  
First Principles ◽  
Lattice Vibrations ◽  
First Principles Calculations ◽  
Optical Dielectric

The electronic structure, lattice vibrations, and optical, dielectric and thermodynamic properties of BaTiO3/CaTiO3/SrTiO3 (BT/CT/ST) ferroelectric superlattices are calculated by using first-principles calculations.

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