A5100384766- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Advanced Thermoelectric Materials and Devices
- Crystallography and molecular interactions
- Thermal properties of materials
- Thermal Radiation and Cooling Technologies
- Thermal Expansion and Ionic Conductivity
- Chalcogenide Semiconductor Thin Films
- Magnetic and transport properties of perovskites and related materials
- Transition Metal Oxide Nanomaterials
- Heusler alloys: electronic and magnetic properties
- Electronic and Structural Properties of Oxides
- Advanced Thermodynamics and Statistical Mechanics
- Microwave Dielectric Ceramics Synthesis
- Ferroelectric and Piezoelectric Materials
- 2D Materials and Applications
- Quantum Dots Synthesis And Properties
- Machine Learning in Materials Science
- Trace Elements in Health
- Spectroscopy Techniques in Biomedical and Chemical Research
- Advanced ceramic materials synthesis
- Phase-change materials and chalcogenides
- Advancements in Solid Oxide Fuel Cells
- Perovskite Materials and Applications
- Perfectionism, Procrastination, Anxiety Studies
Inner Mongolia University
2022-2025
Kunming University of Science and Technology
2022-2024
Inner Mongolia University of Technology
2014-2023
Northwestern Polytechnical University
2023
Sichuan University of Science and Engineering
2022
Hohhot Minzu College
2015-2018
Mongolian University of Science and Technology
2015-2018
University of Wollongong
2015
Southeast University
2014
Nb-doped SrTiO<sub>3</sub> bulk materials with high quality are fabricated using a facile process.
Strontium titanate (SrTiO<sub>3</sub>) is a promising n-type thermoelectric material at high temperature.
A systematic study has been carried out on the electronic band structure and density of states, crystal structures, thermoelectric properties, hardness Cu 2‐ x Se system with without Te 2− or I − substitutions for . Density functional theory calculations indicate that stoichiometric 2 is a zero‐gap material, copper‐deficient 1.875 p‐type conductor. 2– substitution increases total states at Fermi level, whereas, leads to reduction partial both Cu. Highly dense undoped, Te‐doped, I‐doped bulks...
SrTiO<sub>3</sub>is a promising thermoelectric material for high temperature application of waste heat electrical generation.
Mg3Sb2-based compounds by virtue of nontoxicity and low-cost have become a promising class candidates for midtemperature thermoelectric power generation. Here, we successfully fabricated n-type materials using an inexpensive efficient approach one-step ball milling spark plasma sintering, demonstrate that complementary favorable effect multiple elements coalloying/-doping leads to excellent performance. The intrinsic p-type conducting behavior Mg3Sb2 could be changed through Bi Se coalloying...
Thermoelectric technology can be utilized to directly convert waste heat into electricity, aiming at energy harvesting in an environmentally friendly manner. As a promising p-type thermoelectric material, CuInTe2 possesses high inherent lattice thermal conductivity, which limits the practical implementation field of thermoelectricity. Herein, through combination vacuum melting and annealing along with hot-pressure sintering techniques, we demonstrated that CuIn0.95Ag0.05Te2 materials trace...
Magnesium-air batteries hold potential applications due to their high energy density and environmental friendliness. However, the formation of passivation films suboptimal standard electrode have been primary scientific challenges hindering rapid advancement magnesium-air batteries. This study develops Mg2Sn anode materials conceptualizes a mechanism leveraging superior thermoelectric properties enhance open-circuit voltage inhibit films. By employing self-designed magnesium saturation...
Cu2Te-based materials are a type of superionic conductor belonging to the class phonon-liquid electron-crystal and have achieved high ZT values by doping nanostructuring. However, it is easy form copper vacancies in Cu2Te which leads an excessive carrier concentration then results low Seebeck coefficient. Hence, controlling ion migration optimizing essential improve thermoelectric performance Cu2Te. This paper reports high-performance Cu2TeAg2Te composite with application value low-middle...
Eco-friendly and low-cost layered SnSe2-based materials have been attracting great attention in the thermoelectric field for their intrinsically low thermal conductivity. In this work, we applied AgCl as Cl-dopant formed Ag-rich precipitates SnSe2 polycrystals, properties were investigated. The results demonstrate that Cl was artificially incorporated into by substitution of Se atoms, playing donor centers thus increasing carrier concentration 2 orders magnitude, leading to a tremendous...
Silicon germanium (SiGe) alloys hold promise for thermoelectric power generation at high temperatures and have been applied in deep-space missions. However, enhancement of the dimensionless figure-of-merit (ZT) is still needed practical civil applications SiGe. In this work, we report high-performance oxide/SiGe bulk composites that were obtained via hot-press sintering mixed powders composed phosphorus (P)-doped SiGe prepared mechanical alloying, using a ball-milling technique La–Nb-doped...
Flexible thermoelectric materials are presented with potential applications in electronic devices and energy conversion due to their convenient preparation, good flexibility, various forms. However, as ductility is rarely observed inorganic semiconductors ceramic insulators, reports on of oxide flexible sparse. Here, we report a new method for the synthesis Na1.4Co2O4 material based bulk materials, which prepared by self-flux painted print paper. Seebeck coefficient power factor obtained...
Strontium titanate (STO) is an n-type oxide thermoelectric material, which has shown great prospects in recent years. The doping of La and Nb into STO can improve its power factor, whereas thermal conductivity still very high. Thus, order to obtain a high figure-of-merit zT, it important reduce conductivity. In this paper, using combination hydrothermal method high-efficiency sintering method, we succeed preparing composite pure LaNb-doped STO, simultaneously realizes lower higher Seebeck...
Theoretical thermoelectric nanophysics models of low-dimensional electronic heat engine and refrigerator devices, comprising two-dimensional hot cold reservoirs an interconnecting filtered electron transport mechanism have been established. The were used to numerically simulate evaluate the performance energy conversion efficiencies these based on three different types momentum-dependent filters, referred herein as kx, ky, kr filters. Assuming Fermi-Dirac distribution electrons, expressions...
Structural evolution of a La 2 Ti O 7 ferroelectric compound possessing perovskite-type slabs at elevated temperatures was investigated using the single-crystal X-ray diffraction technique. The monoclinic low-temperature phase (L) transformed into orthorhombic high-temperature (H) via an incommensurately modulated (IC) between ∼989 and ∼1080 K. L–IC transition considered to be first order, with L+IC two-phase co-existing region ∼1027 structure IC determined from (3+1)-dimensional superspace...
LaCrO3 (LCO) has promising applications as a p-type conductive material in the fields of transparent conducting oxes, high-temperature sensors, and magnetohydrodynamic power generators. However, easy volatility Cr element, along with issues low electrical conductivity caused by small-polaron conduction mechanism wide band gap, hindered widespread application LCO. In this work, based on engineering defect engineering, we screened doping schemes through first-principles calculations that can...