Dr. William C. Mitchel Profile

Dr. William C. Mitchel

Sr. Scientist for Electromagnetic Materials at Air Force Research Lab

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Publications (18)

Proceedings Article | 4 June 2015 Paper

Effects of AlSb interfaces on InAs/InAsSb type-II infrared superlattice material properties

Elizabeth Steenbergen, Zhiyuan Lin, Said Elhamri, William Mitchel, Yong-Hang Zhang, Ron Kaspi

Proceedings Volume 9451, 945114 (2015) https://doi.org/10.1117/12.2177696

KEYWORDS: Superlattices, Interfaces, Temperature metrology, Infrared radiation, Luminescence, Infrared detectors, Indium arsenide, Stereolithography, Phonons, Magnetism

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Proceedings Article | 8 February 2015 Paper

Electrical isolation of typeII InAs/InGaSb superlattices from GaSb substrates

W. Mitchel, S. Elhamri, H. Haugan, R. Berney, Shin Mou, G. Brown

Proceedings Volume 9370, 937038 (2015) https://doi.org/10.1117/12.2080847

KEYWORDS: Gallium antimonide, Stereolithography, Superlattices, Temperature metrology, Magnetism, Infrared radiation, Infrared sensors, Sensors, Absorption, Long wavelength infrared

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Proceedings Article | 31 January 2014 Paper

Impact of Be-doping on the material properties of InAs/InAsSb type-II superlattices for infrared detection

Elizabeth Steenbergen, Said Elhamri, T. Asel, William Mitchel, Sarah Hierath, Gail Brown

Proceedings Volume 8993, 89930X (2014) https://doi.org/10.1117/12.2042347

KEYWORDS: Superlattices, Beryllium, Doping, Infrared radiation, Gallium antimonide, Mid-IR, Indium arsenide, Luminescence, Photodiodes, Stereolithography

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Proceedings Article | 11 June 2013 Paper

Exploring optimum growth window for high quality InAs/InGaSb superlattices materials

H. Haugan, G. Brown, M. Kim, K. Mahalingam, S. Elhamri, W. Mitchel, L. Grazulis

Proceedings Volume 8704, 870413 (2013) https://doi.org/10.1117/12.2015314

KEYWORDS: Stereolithography, Superlattices, Temperature metrology, Gallium antimonide, Indium arsenide, Indium, Atomic force microscopy, Interfaces, Infrared imaging, Infrared radiation

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Proceedings Article | 27 September 2012 Paper

Infrared transmission spectroscopy of CVD graphene on Si

Shin Mou, Steve Kim, Kuei-Hsien Chen, Li-Chyong Chen, Rajesh Naik, Gail Brown, W. Mitchel

Proceedings Volume 8462, 84620H (2012) https://doi.org/10.1117/12.930246

KEYWORDS: Graphene, Silicon, Absorption, Chemical vapor deposition, Infrared radiation, Infrared spectroscopy, Silicon carbide, Spectroscopy, Semiconducting wafers, Optical testing

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Proceedings Article | 27 September 2012 Paper

Chemical vapor deposition of graphene on copper at reduced temperatures

Eric Gallo, Bruce Willner, Jeonghyun Hwang, Shangzhu Sun, Michael Spencer, Tom Salagaj, William Mitchel, Nick Sbrockey, Gary Tompa

Proceedings Volume 8462, 846203 (2012) https://doi.org/10.1117/12.929094

KEYWORDS: Graphene, Plasma, Copper, Chemical vapor deposition, Raman spectroscopy, Silicon carbide, Annealing, Quartz, Plasma enhanced chemical vapor deposition, Temperature metrology

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Proceedings Article | 13 May 2011 Open Access

Growth of carbon-based nanostructures

W. Mitchel, John Boeckl, Jeongho Park

Proceedings Volume 8031, 80311X (2011) https://doi.org/10.1117/12.884651

KEYWORDS: Graphene, Silicon carbide, Carbon, Chemical vapor deposition, Metals, Silicon, Nanostructures, Sensors, Copper, Raman spectroscopy

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Proceedings Article | 26 January 2009 Paper

Control of residual background carriers in undoped mid-infrared InAs/GaSb superlattices

H. Haugan, S. Elhamri, W. Mitchel, B. Ullrich, G. Brown, L. Grazulis, S. Houston

Proceedings Volume 7222, 72220Y (2009) https://doi.org/10.1117/12.810520

KEYWORDS: Stereolithography, Gallium antimonide, Interfaces, Mid-IR, Superlattices, Sensors, Camera shutters, Infrared detectors, Annealing, Luminescence

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Proceedings Article | 1 February 2008 Paper

Interface roughness estimate from carrier transport in InAs/GaSb superlattices

F. Szmulowicz, S. Elhamri, H. Haugan, G. Brown, W. Mitchel

Proceedings Volume 6900, 69000P (2008) https://doi.org/10.1117/12.763630

KEYWORDS: Scattering, Interfaces, Laser sintering, Indium arsenide, Superlattices, Gallium antimonide, Stereolithography, Temperature metrology, Gold, Data modeling

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Proceedings Article | 7 September 2006 Paper

Growth of short-period InAs/GaSb superlattices for mid-infrared photodetectors

H. Haugan, G. Brown, K. Mahalingam, S. Elhamri, W. Mitchel, L. Grazulis, J. Shank, S. Houston

Proceedings Volume 6295, 629502 (2006) https://doi.org/10.1117/12.680530

KEYWORDS: Stereolithography, Laser sintering, Gallium antimonide, Temperature metrology, Superlattices, Mid-IR, Interfaces, Signal detection, Photodetectors, Transmission electron microscopy

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Proceedings Article | 25 March 2005 Paper

Growth of carbon nanotubes by sublimation of silicon carbide substrates

William Mitchel, John Boeckl, David Tomlin, Weijie Lu, John Rigueur, Jonathan Reynolds

Proceedings Volume 5732, (2005) https://doi.org/10.1117/12.590456

KEYWORDS: Silicon carbide, Carbon, Silicon, Carbon nanotubes, Transmission electron microscopy, Raman spectroscopy, Semiconducting wafers, Oxygen, Scanning electron microscopy, Metals

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Proceedings Article | 6 July 2004 Paper

Intrinsic deep levels in semi-insulating silicon carbide

William Mitchel, William Mitchell, Gerald Landis

Proceedings Volume 5359, (2004) https://doi.org/10.1117/12.519597

KEYWORDS: Silicon carbide, Temperature metrology, Annealing, Vanadium, Semiconducting wafers, Boron, Silicon, Nitrogen, Statistical analysis, Carbon

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Proceedings Article | 13 April 2000 Paper

Growth and characterization of type-II nonequilibrium photovoltaic detectors for long-wavelength infrared range

Hooman Mohseni, Joseph Wojkowski, Abbes Tahraoui, Manijeh Razeghi, Gail Brown, W. Mitchel

Proceedings Volume 3948, (2000) https://doi.org/10.1117/12.382114

KEYWORDS: Sensors, Superlattices, Electrons, Indium arsenide, Mercury cadmium telluride, Gallium antimonide, Doping, Photovoltaic detectors, Long wavelength infrared, Quantum efficiency

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Proceedings Article | 13 April 2000 Paper

Growth and characterization of very long wavelength type-II infrared detectors

Hooman Mohseni, Abbes Tahraoui, Joseph Wojkowski, Manijeh Razeghi, W. Mitchel, Adam Saxler

Proceedings Volume 3948, (2000) https://doi.org/10.1117/12.382113

KEYWORDS: Superlattices, Sensors, Gallium arsenide, Gallium antimonide, Infrared detectors, Doping, Resistance, Molecular beam epitaxy, Optical lithography, Dry etching

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Proceedings Article | 7 April 1999 Paper

Electrical characterization of AlxGa1-xN for UV photodetector applications

Adam Saxler, Mohamad Ahoujja, W. Mitchel, Patrick Kung, Danielle Walker, Manijeh Razeghi

Proceedings Volume 3629, (1999) https://doi.org/10.1117/12.344558

KEYWORDS: Doping, Aluminum, Ionization, Superlattices, Gallium nitride, Photodetectors, Magnesium, Silicon, Ultraviolet radiation, Absorption

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Proceedings Article | 8 April 1998 Paper

Growth and characterization of InAs/GaSb type-II superlattice for long-wavelength infrared detectors

Hooman Mohseni, Erick Michel, Manijeh Razeghi, W. Mitchel, Gail Brown

Proceedings Volume 3287, (1998) https://doi.org/10.1117/12.304497

KEYWORDS: Superlattices, Sensors, Mercury cadmium telluride, Gallium arsenide, Gallium antimonide, Infrared sensors, Electrons, Indium arsenide, Long wavelength infrared, Absorption

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Proceedings Article | 8 April 1998 Paper

Mid-infrared photodetectors based on the InAs/InGaSb type-II superlattices

C.H. Lin, Gail Brown, W. Mitchel, Mohamad Ahoujja, Frank Szmulowicz

Proceedings Volume 3287, (1998) https://doi.org/10.1117/12.304487

KEYWORDS: Laser sintering, Gallium antimonide, Annealing, Superlattices, Stereolithography, Absorption, Temperature metrology, Indium arsenide, Mid-IR, Photodetectors

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Proceedings Article | 1 August 1990 Paper

Photoreflectance measurements of indium content in semi-insulating indium-alloyed GaAs bulk substrates

S. Ravipati, P. Yu, B. Taylor, W. Mitchel

Proceedings Volume 1286, (1990) https://doi.org/10.1117/12.20838

KEYWORDS: Gallium arsenide, Semiconducting wafers, Indium, Crystals, Spectroscopy, Solids, Modulation, Liquids, Interfaces, Temperature metrology

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Showing 5 of 18 publications

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