Significant impact of Al1-xGaxN interlayer on GaN/AlN thermal boundary conductance

Khalid Zobaid Adnan; Hao Zhou; Tianli Feng

doi:10.48550/arxiv.2601.12151

Paper details

Research paper

Computational MLIPComputational AimdComputational MD

Significant impact of Al₁-xGaxN interlayer on GaN/AlN thermal boundary conductance

Khalid Zobaid Adnan, Hao Zhou, Tianli Feng

2025·arXiv:2601.12151

Samples

Each sample groups how it was prepared, characterized, and measured. Click a card to expand.

Bulk AlN training/benchmark configuration used in first-principles dataset generation.

2 properties

Simulated Supercell DftAlNStudied Material

Bulk GaN training/benchmark configuration used in first-principles dataset generation.

2 properties

Simulated Supercell DftGaNStudied Material

AlN/AlGaN/GaN heterostructure used for dataset generation and thermal transport calculations; alloy composition varies across x = 0 to 1 and interlayer thickness varies.

No measurements recorded

Simulated Supercell DftAlNStudied MaterialAl₁-xGaxNSimulated AlloyGaNStudied Material

AlN/AlGaN interface system for NEMD thermal boundary conductance calculations at selected alloy compositions and interlayer thicknesses.

No measurements recorded

SimulatedAlNStudied MaterialAl₁-xGaxNSimulated Alloy

AlGaN/GaN interface system for NEMD thermal boundary conductance calculations at selected alloy compositions and interlayer thicknesses.

No measurements recorded

SimulatedAl₁-xGaxNSimulated AlloyGaNStudied Material

AlN/AlGaN/GaN trilayer heterostructure used to evaluate the total thermal boundary conductance across an interlayer of variable composition and thickness.

10 properties

SimulatedAlNStudied MaterialAl₁-xGaxNSimulated AlloyGaNStudied Material

Materials

AlN

Studied Material

studied material

GaN

Studied Material

studied material

Al₁-xGaxN

Why these are connected

Related documents with shared materials, methods, properties, or citations.

Significant impact of Al1-xGaxN interlayer on GaN/AlN thermal boundary conductance | Matter42 Literature

Properties

Type	Label	Value	Material	Sample	Source
Thermal Boundary Conductance	abrupt GaN/AlN interface	660MW m⁻² K⁻¹	AlN GaN	Bulk AlN training/benchmark configuration used in first-prin Bulk GaN training/benchmark configuration used in first-prin	—
Thermal Boundary Conductance	interface absent limit	infinite	AlN GaN	Bulk AlN training/benchmark configuration used in first-prin Bulk GaN training/benchmark configuration used in first-prin	—
Thermal Boundary Conductance	AlN/Al0.5Ga0.5N and Al0.5Ga0.5N/GaN	2GW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	575MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	500MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	400MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	550MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	250MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	220MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	330MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	110MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	90MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—

Properties

Type	Label	Value	Material	Sample	Source
Thermal Boundary Conductance	abrupt GaN/AlN interface	660MW m⁻² K⁻¹	AlN GaN	Bulk AlN training/benchmark configuration used in first-prin Bulk GaN training/benchmark configuration used in first-prin	—
Thermal Boundary Conductance	interface absent limit	infinite	AlN GaN	Bulk AlN training/benchmark configuration used in first-prin Bulk GaN training/benchmark configuration used in first-prin	—
Thermal Boundary Conductance	AlN/Al0.5Ga0.5N and Al0.5Ga0.5N/GaN	2GW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	575MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	500MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	400MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	550MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	250MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	220MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	330MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	110MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	90MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—

Properties

Type	Label	Value	Material	Sample	Source
Thermal Boundary Conductance	abrupt GaN/AlN interface	660MW m⁻² K⁻¹	AlN GaN	Bulk AlN training/benchmark configuration used in first-prin Bulk GaN training/benchmark configuration used in first-prin	—
Thermal Boundary Conductance	interface absent limit	infinite	AlN GaN	Bulk AlN training/benchmark configuration used in first-prin Bulk GaN training/benchmark configuration used in first-prin	—
Thermal Boundary Conductance	AlN/Al0.5Ga0.5N and Al0.5Ga0.5N/GaN	2GW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	575MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	500MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	400MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	550MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	250MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	220MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	330MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	110MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	90MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—

Properties

Type	Label	Value	Material	Sample	Source
Thermal Boundary Conductance	abrupt GaN/AlN interface	660MW m⁻² K⁻¹	AlN GaN	Bulk AlN training/benchmark configuration used in first-prin Bulk GaN training/benchmark configuration used in first-prin	—
Thermal Boundary Conductance	interface absent limit	infinite	AlN GaN	Bulk AlN training/benchmark configuration used in first-prin Bulk GaN training/benchmark configuration used in first-prin	—
Thermal Boundary Conductance	AlN/Al0.5Ga0.5N and Al0.5Ga0.5N/GaN	2GW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	575MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	500MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	400MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	550MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	250MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	220MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.8Ga0.2N interlayer	330MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.5Ga0.5N interlayer	110MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—
Thermal Boundary Conductance	Al0.3Ga0.7N interlayer	90MW m⁻² K⁻¹	AlN Al₁-xGaxN GaN	AlN/AlGaN/GaN trilayer heterostructure used to evaluate the	—