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6 papers · 2 filters
Low-Frequency Noise Characteristics of GaN Vertical PIN Diodes -- Effects of Current and Temperature
Subhajit Ghosh, Kai Fu, Fariborz Kargar +3
We report low-frequency noise characteristics of vertical GaN PIN diodes, focusing on the effects of the diode design, current and temperature. The as-grown and regrown diodes, wit…
One-dimensional van der Waals Heterostructures: Growth Mechanism and Handedness Correlation Revealed by Non-destructive TEM
Yongjia Zheng, Akihito Kumamoto, Kaoru Hisama +15
In this work, we perform a follow-up and comprehensive study on the structural details and formation mechanism of chemical vapor deposition (CVD) synthesized one-dimensional (1D) v…
Stability and electronic properties of two-dimensional gallium
Alex Kutana, Qiyuan Ruan, Jun-Jie Zhang +2
Two-dimensional metals offer intriguing possibilities to explore metallicity and other related properties in systems with reduced dimensionality. Here, following recent experimenta…
Thermoelectric response from grain boundaries and lattice distortions in crystalline gold devices
Charlotte I. Evans, Rui Yang, Lucia T. Gan +5
The electronic Seebeck response in a conductor involves the energy-dependent mean free path of the charge carriers and is affected by crystal structure, scattering from boundaries…
Single-crystal hexagonal boron nitride monolayer epitaxially grown on Cu (111) thin film across a wafer
Tse-An Chen, Chih-Piao Chuu, Chien-Chih Tseng +9
We demonstrate single crystal growth of wafer-scale hexagonal boron nitride (hBN), an insulating atomic thin monolayer, on high-symmetry index surface plane Cu(111). The unidirecti…
Room-Temperature Topological Phase Transition in Quasi-One-Dimensional Material BiI
Jianwei Huang, Sheng Li, Chiho Yoon +16
Quasi-one-dimensional (1D) materials provide a superior platform for characterizing and tuning topological phases for two reasons: i) existence for multiple cleavable surfaces that…