William A. Callahan

activity

20202023

most citedCoupled Charge and Radiation Transport Processes in Thermophotovoltaic and Thermoradiative Cells

40 citations · 68 across the 3 of their papers we have counts for

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2 papers · 1 filter

physics.app-ph2023

Ultrathin Stable Ohmic Contacts for High-Temperature Operation of $β$ -Ga $_{2}$ O $_{3}$ Devices

William A. Callahan, Edwin Supple, David Ginley +4

Beta gallium oxide ( $β$ -Ga $_{2}$ O $_{3}$ ) shows significant promise in the high-temperature, high-power, and sensing electronics applications. However, long-term stable metallization la…

physics.app-ph2020★ 28 cited

Solar Thermoradiative-Photovoltaic Energy Conversion

Eric J. Tervo, William A. Callahan, Eric S. Toberer +2

We propose a solar thermal energy conversion system consisting of a solar absorber, a thermoradiative cell or negative illumination photodiode, and a photovoltaic cell. Because it…

Ultrathin Stable Ohmic Contacts for High-Temperature Operation of β-Ga2​O3​ Devices

Solar Thermoradiative-Photovoltaic Energy Conversion

Ultrathin Stable Ohmic Contacts for High-Temperature Operation of $β$ -Ga $_{2}$ O $_{3}$ Devices