Photoinduced modification of surface states in nanoporous InP
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LLOYD-HUGHES, James; MULLER, Muller; SCALARI, Giacomo; BISHOP, Hugh E.; CROSSLEY, Alison L.; ENACHI, Mihail; SIRBU, Lilian; TIGINYANU, Ion. Photoinduced modification of surface states in nanoporous InP. In: Applied Physics Letters. 2012, nr. 13(100), p. 0. ISSN 0003-6951.
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Applied Physics Letters
Numărul 13(100) / 2012 / ISSN 0003-6951

Photoinduced modification of surface states in nanoporous InP

DOI: 10.1063/1.3697410
Pag. 0-0

Lloyd-Hughes James1, Muller Muller12, Scalari Giacomo2, Bishop Hugh E.1, Crossley Alison L.1, Enachi Mihail3, Sirbu Lilian3, Tiginyanu Ion3
1 University of Oxford,
2 Institut für Quantenelektronik ETH Zürich,
3 Technical University of Moldova
Disponibil în IBN: 27 martie 2018


Porous honeycombs of n-type InP were investigated by terahertz time-domain and x-ray photoemission spectroscopies. After photoexcitation the dark conductivity was found to increase quasi-irreversibly, recovering only after several hours in air. The calculated electron density for different surface pinning energies suggests that photoexcitation may reduce the density of surface states.

Dark conductivity, Nano-porous, Photoinduced modification, Surface pinning, Tera Hertz, Time domain, X ray photoemission spectroscopy,