A. D. Johnson

Physics and Astronomy · Physical Sciences

23h-index2.0kcitations78works0.02yr avg
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Research Topics

Semiconductor Quantum Structures and Devices(30), Advanced Semiconductor Detectors and Materials(15), Advanced Chemical Physics Studies(14), Semiconductor materials and devices(10), Catalytic Processes in Materials Science(8)

Publications78 total

Influence of silver nanoparticles on the spectral characteristics of Er3+ Ions in potassium barium borate glass
2026
First Principles Studies of the Dielectric Properties of Cesium Hafnium Chloride (Cs2HfCl6) as a Scintillating Material
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)·2024Open Access
Impact of thermal oxidation uniformity on 150 mm GaAs- and Ge-substrate VCSELs
Journal of Physics D Applied Physics·2023· 11 citedOpen Access
Doping effects on the composition, electric and optical properties of MBE-grown 1.1 eV GaNAsSb layers
Semiconductor Science and Technology·2020· 6 citedOpen Access
ALCHEMI – A low cost, high efficiency, optoelectronic HCPV module for 1000× operation
AIP conference proceedings·2018· 4 citedOpen Access
Component Integration Effects in 4-Junction Solar Cells with Dilute Nitride 1eV Subcell
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC)·2017· 2 citedOpen Access
III-V Multi-Junction Solar Cells Utilising Group IV SiGeSn Alloys as a 1.0 eV Component Sub-Cell
EU PVSEC·2017· 2 citedOpen Access
Advances towards 4J lattice-matched including dilute nitride subcell for terrestrial and space applications
2016· 13 citedOpen Access
Low bandgap mid-infrared thermophotovoltaic arrays based on InAs
Infrared Physics & Technology·2015· 19 cited
Production and transport chemistry of atomic fluorine in remote plasma source and cylindrical reaction chamber
Journal of Physics D Applied Physics·2007· 16 cited
InAISb/InSb Quantum Well Mid-Infrared Diode Lasers
2005
Reduction of PFC emissions to the environment through advances in CVD and etch processes
IEEE Transactions on Semiconductor Manufacturing·2004· 11 cited
Improving the environmental performance of in situ PECVD chamber cleaning processes by studies of CVD reactor clean performance and field evaluation of optimised processes
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)·2004
In situ cleaning of LPCVD furnaces using a thermal NF/sub 3/ etch process
2003
Observation of hardening during relaxation of InGaAs on GaAs
Journal of Physics D Applied Physics·2003· 1 cited
A process for removing moisture from metal surfaces and inhibiting water from readsorbing using organosilanes
2002
Effect of Si doping on the relaxation mechanism of InGaAs on GaAs
Applied Physics Letters·2002· 10 cited
Band anticrossing in dilute InNxSb1−x
Applied Physics Letters·2002· 56 citedOpen Access
<i>In situ</i>x-ray topography measurement of the growth temperature dependence of the critical thickness of epitaxial InGaAs on GaAs
Journal of Physics D Applied Physics·2001· 7 cited
Auger recombination in long-wavelength infrared InNxSb1−x alloys
Applied Physics Letters·2001· 65 citedOpen Access
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Frequent Co-authors

A.M. Keir(12), C. R. Whitehouse(12), B. K. Tanner(12), S. T. Ceyer(11), T. Ashley(11), C.T. Elliott(10), G.J. Pryce(10), B. Lunn(10), J. D. Beckerle(7), G. F. Clark(7), S. J. Barnett(6), Qian Yang(5), A.G. Cullis(5), G. Lacey(5), W. E. Hagston(5), B. N. Murdin(4), J G Crowder(4), C. R. Pidgeon(4), G. W. Smith(4), Trevor Martin(4)