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Filtering by: Creator Hill, David Ray Academic Affiliation Physics Creator Keszler, Douglas A.

Electronic properties of BaCuChF (Ch = S,Se,Te) surfaces and BaCuSeF/ZnPc interfaces

Creator:

Zakutayev, Andriy, Tate, Janet, Platt, Heather A. S., Keszler, Douglas A., Hein, Corinna, Mayer, Thomas, Klein, Andreas, and Jaegermann, Wolfram

Abstract:

BaCuChF (Ch=S,Se,Te) surfaces and BaCuSeF interfaces with zinc phthalocyanine (ZnPc) were studied by photoelectron spectroscopy. BaCuChF compounds oxidize when exposed to ambient atmosphere. Se capping layers were studied as a means to produce representative surfaces for photoelectron spectroscopic measurements. Decapped BaCuSeF surfaces remain O-free and C-free when the Se layer...

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. The films were 200 nm thick, as measured by a surface profilometer. X-ray diffraction �XRD
p-type conductivity in wide-band-gap BaCuQF (Q=S,Se)

Creator:

Yanagi, Hiroshi, Tate, Janet, Park, Sangmoon, Park, Cheol-Hee, and Keszler, Douglas A.

Abstract:

BaCuQF (Q=S,Se) materials, candidate transparent p-type conductors, were prepared by solid-state reaction, and their bulk electrical and optical properties were evaluated. The room-temperature Seebeck coefficient and electrical conductivity of undoped BaCuQF pellets were +56 μV/K and 0.088 S/cm, respectively, for the sulfide fluoride, and +32 μV/K and 0.061 S/cm, respectively,...

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characterized by powder x-ray diffraction on a Siem D5000 diffractometer; they were predominantly single pha