4 papers
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…
Characterization of AlGaAs/GeSn heterojunction band alignment via X-ray photoelectron spectroscopy
Yang Liu, Jiarui Gong, Sudip Acharya +12
GeSn-based SWIR lasers featuring imaging, sensing, and communications has gained dynamic development recently. However, the existing SiGeSn/GeSn double heterostructure lacks adequa…
Impact of ALD-Deposited Ultrathin Nitride Layers on Carrier Lifetimes and Photoluminescence Efficiency in CdTe/MgCdTe Double Heterostructures
Haris Naeem Abbasi, Xin Qi, Zheng Ju +2
This work evaluates the passivation effectiveness of ultrathin nitride layers (SiNx, AlN, TiN) deposited via atomic layer deposition on CdTe/MgCdTe double heterostructures for sola…