Jiangang He

collaborators

8 papers

cond-mat.mtrl-sci2026

Microscopic Origin of the Ultralow Lattice Thermal Conductivity in Vacancy-Ordered Halide Double Perovskites Cs $_{2} B X_{6}$ ( $B$ = Zr, Pd, Sn, Te, Hf, and Pt; $X$ = Cl, Br, and I)

Lingzhi Cao, Yateng Wang, Zhonghao Xia +1

Vacancy-ordered halide double perovskites Cs $_{2} B X_{6}$ have recently attracted significant attention due to their intrinsically ultralow lattice thermal conductivity ($Îº_{\mathrm{L}…

cond-mat.mtrl-sci2026

Data-Driven Exploration and Insights into Temperature-Dependent Phonons in Inorganic Materials

Huiju Lee, Zhi Li, Jiangang he +1

Phonons, quantized vibrations of the atomic lattice, are fundamental to understanding thermal transport, structural stability, and phase behavior in crystalline solids. Despite adv…

cond-mat.mtrl-sci2025

Applicability of Electrical Conductivity Ratio Method to Complicated Band Structure and the Carrier Scattering Mechanisms of SnSe

Pan Ren, Junling Gao, Guiying Xu +7

The electrical conductivity ratio (ECR) method can be used to analyze carrier scattering mechanism (CSM) without the need of magenetic transport measurements. In this work, the app…

cond-mat.mtrl-sci2025

Strong Intra- and Interchain Orbital Coupling Leads to Multiband and High Thermoelectric Performance in Na $_{2}$ Au $X$ ( $X$ = P, As, Sb, and Bi)

Zhonghao Xia, Zhilong Yang, Yali Yang +2

The intrinsic coupling among electrical conductivity ( $I ¨ $ ), Seebeck coefficient ( $S$ ), and lattice thermal conductivity ( $I^º_{L}$ ) imposes a fundamental limit on the dime…

cond-mat.mtrl-sci2025

Synergetic Enhancement of Power Factors and Suppression of Lattice Thermal Conductivities via Biaxial Strain in ScAgSe $_{2}$ and TmAgTe $_{2}$

Wu Xiong, Zhongjuan Han, Zhonghao Xia +2

The challenge of achieving high thermoelectric (TE) performance is mainly from the entanglement among Seebeck coefficient ( $S$ ), electrical conductivity ( $I ¨ $ ), and lattice thermal…

cond-mat.mtrl-sci2025

Thermoelectric Properties of Copper-based Chalcopyrite Semiconductors Cu $M X_{2}$ ( $M$ = Al, Ga, and In; $X$ = S, Se, and Te) from First-Principles Calculations

Wu Xiong, Zhonghao Xia, Zhongjuan Han +2

Copper-based chalcopyrite semiconductors have attracted sustained interest owing to their promising thermoelectric (TE) performance, yet the microscopic origins of their TE behavio…

Microscopic Origin of the Ultralow Lattice Thermal Conductivity in Vacancy-Ordered Halide Double Perovskites Cs2​BX6​ (B = Zr, Pd, Sn, Te, Hf, and Pt; X= Cl, Br, and I)

Data-Driven Exploration and Insights into Temperature-Dependent Phonons in Inorganic Materials

Applicability of Electrical Conductivity Ratio Method to Complicated Band Structure and the Carrier Scattering Mechanisms of SnSe

Strong Intra- and Interchain Orbital Coupling Leads to Multiband and High Thermoelectric Performance in Na2​AuX (X = P, As, Sb, and Bi)

Synergetic Enhancement of Power Factors and Suppression of Lattice Thermal Conductivities via Biaxial Strain in ScAgSe2​ and TmAgTe2​

Thermoelectric Properties of Copper-based Chalcopyrite Semiconductors CuMX2​ (M = Al, Ga, and In; X = S, Se, and Te) from First-Principles Calculations

Microscopic Origin of the Ultralow Lattice Thermal Conductivity in Vacancy-Ordered Halide Double Perovskites Cs $_{2} B X_{6}$ ( $B$ = Zr, Pd, Sn, Te, Hf, and Pt; $X$ = Cl, Br, and I)

Strong Intra- and Interchain Orbital Coupling Leads to Multiband and High Thermoelectric Performance in Na $_{2}$ Au $X$ ( $X$ = P, As, Sb, and Bi)

Synergetic Enhancement of Power Factors and Suppression of Lattice Thermal Conductivities via Biaxial Strain in ScAgSe $_{2}$ and TmAgTe $_{2}$

Thermoelectric Properties of Copper-based Chalcopyrite Semiconductors Cu $M X_{2}$ ( $M$ = Al, Ga, and In; $X$ = S, Se, and Te) from First-Principles Calculations