60 citations · 205 across the 31 of their papers we have counts for
4 papers · 1 filter
Atomic short-range order: a new degree of freedom for band engineering of GeSn semiconductor alloys
Shang Liu, Yunfan Liang, Nirosh M. Eldose +18
Chemical short-range order (SRO) in alloys denotes the statistical preference or avoidance between atomic species on neighboring lattice sites. Here, we highlight SRO as a powerful…
Low-Temperature Synthesis of Stable CaZnP Zintl Phosphide Thin Films as Candidate Top Absorbers
Shaham Quadir, Zhenkun Yuan, Guillermo Esparza +14
The development of tandem photovoltaics and photoelectrochemical solar cells requires new absorber materials with band gaps in the range of ~1.5-2.3 eV, for use in the top cell pai…
Monolithic Germanium Tin on Si Avalanche Photodiodes
Justin Rudie, Sylvester Amoah, Xiaoxin Wang +8
We demonstrate monolithically grown germanium-tin (GeSn) on silicon avalanche photodiodes (APDs) for infrared light detection. A relatively thinner Ge buffer design was adopted to…
Significant Photoluminescence Improvements from Bulk Germanium-Based Thin Films with Ultra-low Threading Dislocation Densities
Liming Wang, Gideon Kassa, Jifeng Liu +1
Bulk Ge crystals, characterized by significantly lower threading dislocation densities than their epitaxial counterparts, emerge as optimal candidates for studying and improving Ge…