135 citations · 430 across the 12 of their papers we have counts for
12 papers
XPS analysis of molecular contamination and sp2 amorphous carbon on oxidized (100) diamond
Ricardo Vidrio, Daniel Vincent, Benjamin Bachman +11
The efficacy of oxygen (O) surface terminations on diamond is an important factor for the performance and stability for diamond-based quantum sensors and electronics. Given the wid…
Investigation of the Imperfect Interface at the Si/GaAs Heterojunction Formed by Ultra-Thin Oxide Interfacial Layer
Md Nazmul Hasan, Yixiong Zheng, Junyu Lai +6
The structure property of non-ideal Si/GaAs heterostructures that were integrated with the ultra-thin oxide (UO) tunneling interfacial layer has been systematically investigated. S…
Theoretical Prediction of Heterogeneous Integration of Dissimilar Semiconductor with Various Ultra-Thin Oxides and 2D Materials
Md Nazmul Hasan, Chenxi Li, Junyu Lai +1
In this paper, we have built a numerical p-n Si/GaAs heterojunction model using a quantum-mechanical tunneling theory with various quantum tunneling interfacial materials including…
Electrical and Thermal Property of Si/GaAs Heterojunction Formed by Ultra-Thin Oxide Interfacial Layer
Md Nazmul Hasan, Yixiong Zheng, Junyu Lai +6
We have successfully demonstrated Si/GaAs p-n heterostructures using Al2O3 ultra-thin oxide interfacial layers. The band diagram and band offsets were investigated using X-ray phot…
Large-Size Free-Standing Single-crystal b-Ga2O3 Membranes Fabricated by Hydrogen Implantation and Lift-Off
Yixiong Zheng, Zixuan Feng, A F M Anhar Uddin Bhuiyan +5
In this paper, we have demonstrated the large-size free-standing single-crystal b-Ga2O3 NMs fabricated by the hydrogen implantation and lift-off process directly from MOCVD grown b…
Chalcogenide perovskite BaZrS3 thin-film electronic and optoelectronic devices by low temperature processing
Zhonghai Yu, Xiucheng Wei, Yixiong Zheng +9
Owing to its superior visible light absorption and high chemical stability, chalcogenide perovskite barium zirconium sulfide has attracted significant attention in the past few yea…
Lattice-mismatched semiconductor heterostructures
Dong Liu, Sang June Cho, Jung-Hun Seo +19
Semiconductor heterostructure is a critical building block for modern semiconductor devices. However, forming semiconductor heterostructures of lattice-mismatch has been a great ch…
229 nm UV LEDs using p-type silicon for increased hole injection
Dong Liu, Sang June Cho, Jeongpil Park +10
Ultraviolet (UV) light emission at 229 nm wavelength from diode structures based on AlN/Al0.77Ga0.23N quantum wells and using p-type Si to significantly increase hole injection was…
UVC LEDs on Bulk AlN Substrates Using Silicon Nanomembranes for Efficient Hole Injection
Sang June Cho, Dong Liu, Jung-Hun Seo +12
As UV LEDs are explored at shorter wavelengths (< 280 nm) into the UVC spectral range, the crystalline quality of epitaxial AlGaN films with high Al compositions and inefficient ho…
Thermal Diffusion Boron Doping of Single-Crystal Diamond
Jung-Hun Seo, Henry Wu, Solomon Mikael +7
With the best overall electronic and thermal properties, single crystal diamond (SCD) is the extreme wide bandgap material that is expected to revolutionize power electronics and r…
Nanopatterning by Laser Interference Lithography: Applications to Optical Devices
Jung-Hun Seo, Jung Ho Park, Zhenqiang Ma +2
A systematic review, covering fabrication of nanoscale patterns by laser interference lithography (LIL) and their applications for optical devices are provided. LIL is a patterning…
Thermal Diffusion Doping of Single Crystal Diamond
Jung-Hun Seo, Solomon Mikael, Hongyi Mi +5
With the best overall electronic and thermal properties, single-crystal diamond (SCD) is the extreme wide bandgap material that is expected to revolutionize power electronics and r…