Search Results - "Kirk, A.P."

Efficiency limit of solar cells with index-near-zero photon management layers by Kirk, A.P.

“…As single-junction solar cells saturate in efficiency, the topic of photon management has generated interest in the long running quest to exceed the…”
Get full text

Proposal for a high voltage AlGaAs/AlGaAs/GaAs triple junction photovoltaic cell by Kirk, A.P.

“…A monolithic high voltage 1.87 eV AlGaAs/1.65 eV AlGaAs/1.42 eV GaAs triple junction (3J) photovoltaic (PV) cell design is presented. The motivation for this…”
Get full text

In situ X-ray photoelectron spectroscopy characterization of Al2O3/GaSb interface evolution by MCDONNELL, S, ZHERNOKLETOV, D. M, KIRK, A. P, KIM, J, WALLACE, R. M

“…GaSb(001) was treated with (NH4)2Sx and the evolution of the interfacial chemistry was investigated, in situ, with monochromatic XPS, following heat treatment…”
Get full text

A discussion of fundamental solar photovoltaic cell physics by Kirk, A.P.

“…A discussion of the germane descriptions of open circuit voltage, photon absorption and emission rate, joint density of states, generation and recombination,…”
Get full text

Application of detailed balance to quantum coherent solar cells by Kirk, A.P.

“…The author responds to the attempted tutorial (Chapin et al., Physica B (2013) [6]) on solar cell physics specifically as it relates to the hypothetical toy…”
Get full text

In situ X-ray photoelectron spectroscopy characterization of Al 2O 3/GaSb interface evolution by McDonnell, S., Zhernokletov, D.M., Kirk, A.P., Kim, J., Wallace, R.M.

“…► 300°C annealing causes the O and S bonded to Sb to transfer to Ga ► 300°C annealing causes leaves the top 5-6 nm of the substrate Sb rich ► TMA reduces the…”
Get full text

An analysis of quantum coherent solar photovoltaic cells by Kirk, A.P.

“…A new hypothesis (Scully et al., Proc. Natl. Acad. Sci. USA 108 (2011) 15097) suggests that it is possible to break the statistical physics-based detailed…”
Get full text

Strain-induced ferromagnetism in LaCoO3: Theory and growth on Si (1 0 0) by POSADAS, A, BERG, M, SEO, H, SMITH, D. J, KIRK, A. P, ZHERNOKLETOV, D, WALLACE, R. M, DE LOZANNE, A, DEMKOV, A. A

Get full text

Strain-induced ferromagnetism in LaCoO 3: Theory and growth on Si (1 0 0) by Posadas, A., Berg, M., Seo, H., Smith, D.J., Kirk, A.P., Zhernokletov, D., Wallace, R.M., de Lozanne, A., Demkov, A.A.

“…LaCoO 3 is normally non-magnetic in bulk but transforms into a ferromagnet when subjected to biaxial tensile strain. By growing a relaxed epitaxial layer of…”
Get full text

Centrifugation of normal and rheumatoid arthritis blood on Ficoll-Hypaque and Ficoll-Nycodenz solutions by McCarthy, D A, Perry, J D, Holburn, C M, Kirk, A P, James, D W, Moore, S R, Holborow, E J

“…Attempts to use the rapid single-step Ficoll-Hypaque centrifugation procedure for the purification of mononuclear and polymorphonuclear leucocytes from the…”
Get more information

Incidence and significance of juxtapapillary diverticula at endoscopic retrograde cholangiopancreatography by Kirk, A P, Summerfield, J A

“…In a retrospective study of 755 atients undergoing endoscopic retrograde cholangiopancreatography from 1973 to 1977 at the Royal Free Hospital, 38 (5%) had a…”
Get more information