Infrared dielectric response, index of refraction, and absorption of germanium-tin alloys with tin contents up to 27% deposited by molecular beam epitaxy D Imbrenda, R Hickey, RA Carrasco, NS Fernando, J VanDerslice, ... Applied Physics Letters 113 (12), 2018 | 35 | 2018 |
Silicon epitaxy using tetrasilane at low temperatures in ultra-high vacuum chemical vapor deposition R Hazbun, J Hart, R Hickey, A Ghosh, N Fernando, S Zollner, TN Adam, ... Journal of Crystal Growth 444, 21-27, 2016 | 31 | 2016 |
Properties of pseudomorphic and relaxed germanium1− xtinx alloys (x< 0.185) grown by MBE R Hickey, N Fernando, S Zollner, J Hart, R Hazbun, J Kolodzey Journal of Vacuum Science & Technology B 35 (2), 2017 | 28 | 2017 |
Tetrasilane and digermane for the ultra-high vacuum chemical vapor deposition of SiGe alloys J Hart, R Hazbun, D Eldridge, R Hickey, N Fernando, T Adam, S Zollner, ... Thin Solid Films 604, 23-27, 2016 | 24 | 2016 |
Band gap and strain engineering of pseudomorphic Ge1− x− ySixSny alloys on Ge and GaAs for photonic applications NS Fernando, RA Carrasco, R Hickey, J Hart, R Hazbun, S Schoeche, ... Journal of Vacuum Science & Technology B 36 (2), 2018 | 23 | 2018 |
Measuring individual battery dimensional changes for state-of-charge estimation using strain gauge sensors R Hickey, TM Jahns 2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2460-2465, 2019 | 22 | 2019 |
Adiabatic elliptical optical coupler device K Murray, D Logan, CJ Brooks, RM Hickey US Patent 9,726,821, 2017 | 20 | 2017 |
Direct comparison of state-of-charge and state-of-energy metrics for li-ion battery energy storage R Hickey, TM Jahns 2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2466-2470, 2019 | 16 | 2019 |
Enhanced photoluminescence of GeSn by strain relaxation and spontaneous carrier confinement through rapid thermal annealing G Lin, K Qian, H Cai, H Zhao, J Xu, S Chen, C Li, R Hickey, J Kolodzey, ... Journal of Alloys and Compounds 915, 165453, 2022 | 13 | 2022 |
Gate-all-around integrated circuit structures having germanium-doped nanoribbon channel structures R Hickey, GA Glass, AS Murthy, R Shah, NAM Ju-Hyung US Patent App. 16/913,294, 2021 | 9 | 2021 |
Scalable fabrication of self-assembled GeSn vertical nanowires for nanophotonic applications G Lin, Y An, H Ding, H Zhao, J Wang, S Chen, C Li, R Hickey, J Kolodzey, ... Nanophotonics 12 (2), 219-228, 2023 | 8 | 2023 |
Band structure critical point energy in germanium–tin alloys with high tin contents D Imbrenda, RA Carrasco, R Hickey, NS Fernando, S Zollner, J Kolodzey Applied Physics Letters 119 (16), 2021 | 8 | 2021 |
Fabrication of germanium tin microstructures through inductively coupled plasma dry etching G Lin, P Cui, T Wang, R Hickey, J Zhang, H Zhao, J Kolodzey, Y Zeng IEEE Transactions on Nanotechnology 20, 846-851, 2021 | 8 | 2021 |
Improving the short-wave infrared response of strained GeSn/Ge multiple quantum wells by rapid thermal annealing H Zhao, G Lin, C Han, R Hickey, T Zhama, P Cui, T Deroy, X Feng, C Ni, ... Vacuum 210, 111868, 2023 | 7 | 2023 |
Composition and strain effects on Raman vibrational modes of GeSn alloys with Sn contents up to 31% grown by low-temperature molecular beam epitaxy H Zhao, G Lin, Y Zhang, S Park, R Hickey, T Zhama, P Cui, S Sourav, ... Optical Materials 149, 114987, 2024 | 3 | 2024 |
Optical coupler with a waveguide and waveguide index matched materials at an edge of a substrate RM Hickey, CJ Brooks, D Logan, AP Knights US Patent 10,107,960, 2018 | 3 | 2018 |
Application of quantum-dot multi-wavelength lasers and silicon photonic ring resonators to data-center optical interconnects DJS Beckett, R Hickey, DF Logan, AP Knights, R Chen, B Cao, ... Silicon Photonics XIII 10537, 50-56, 2018 | 2 | 2018 |
The growth of strain engineered germanium tin alloys for mid-infrared detectors by molecular beam epitaxy R Hickey University of Delaware, 2017 | 2 | 2017 |
The characteristics of GeSn pn junction devices fabricated by molecular beam epitaxy J Kolodzey, R Hazbun, J Hart, R Hickey, D Zhang, D Eldridge 2016 IEEE Photonics Society Summer Topical Meeting Series (SUM), 1-2, 2016 | 2 | 2016 |
Carrier based laser assembly and method of assembly thereof with photonic integrated circuit RM Hickey, DJS Beckett, JO Hutchins US Patent App. 18/222,546, 2023 | | 2023 |