8 papers
Band alignment of grafted diamond/GaN p-n heterojunctions interfaced with ALD Al2O3 and SiNx/Al2O3
Tsung-Han Tsai, Chenyu Wang, Jiarui Gong +14
Diamond and gallium nitride are complementary semiconductors for forming p-n junctions because of their respective doping limitations. Understanding the band alignment of grafted d…
Optoelectronically Active GaAs/GeSn-MQW/Ge Heterojunctions Created via Semiconductor Grafting
Jie Zhou, Haibo Wang, Yifu Guo +19
Traditionally, advancements in semiconductor devices have been driven by lattice-matched heterojunctions with tailored band alignments through heteroepitaxy techniques. However, th…
Wafer-scale Semiconductor Grafting: Enabling High-Performance, Lattice-Mismatched Heterojunctions
Jie Zhou, Qiming Zhang, Jiarui Gong +14
Semiconductor heterojunctions are foundational to many advanced electronic and optoelectronic devices. However, achieving high-quality, lattice-mismatched interfaces remains challe…
Si/AlN p-n heterojunction interfaced with ultrathin SiO2
Haris Naeem Abbasi, Jie Zhou, Ding Wang +9
Ultra-wide bandgap (UWBG) materials hold immense potential for high-power RF electronics and deep ultraviolet photonics. Among these, AlGaN emerges as a promising candidate, offeri…
Single-crystalline GaAs/Si Heterojunction Tunnel Diodes Interfaced by an Ultrathin Oxygen-enriched Layer
Jie Zhou, Yifan Wang, Ziqian Yao +13
We report the fabrication and characteristics of GaAs/Si p+/n+ heterojunction tunnel diodes. These diodes were fabricated via grafting the freestanding single-crystalline p-type de…
Grafted AlGaAs/GeSn Optical Pumping Laser Operating up to 130 K
Jie Zhou, Daniel Vincent, Sudip Acharya +16
Group IV GeSn double-heterostructure (DHS) lasers offer unique advantages of a direct bandgap and CMOS compatibility. However, further improvements in laser performance have been b…