Volume charge carrier number fluctuations probed by low frequency noise measurements in InN layers
Author(s) -
М. Vasundhara,
JeanMarc Routoure,
Bruno Guillet,
Laurence Méchin,
J. Grandal,
Sara Martin-Horcajo,
Tommaso Brazzini,
F. Calle,
M. A. Sánchez-Garcı́a,
P. Marié,
P. Ruterana
Publication year - 2011
Publication title -
applied physics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 442
eISSN - 1077-3118
pISSN - 0003-6951
DOI - 10.1063/1.3601855
Subject(s) - trap (plumbing) , thermal conduction , materials science , noise (video) , infrasound , conduction band , band gap , molecular beam epitaxy , charge carrier , low frequency , volume (thermodynamics) , atomic physics , optoelectronics , epitaxy , physics , nanotechnology , electron , nuclear physics , layer (electronics) , image (mathematics) , quantum mechanics , astronomy , artificial intelligence , meteorology , computer science , acoustics , composite material
International audienceBulk conduction in molecular beam epitaxial InN layers has been confirmed using low frequency noise measurements versus temperature. A generation-recombination process has been identified at low temperatures 100 K and attributed to a trap with a discrete energy level in the band gap. The energy position of this trap has been determined to be around 52 meV below the conduction band minimum
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