Transient photoconductivity in a-(Se80Te20)100−xAgx (0≤x≤4) thin films
نویسندگان
چکیده
منابع مشابه
Photoconductivity of SrBi2Ta2O9 Thin Films
Photoconductive properties of SrBi2Ta2O9 thin ®lms in the 250±400 nm wavelength range were investigated. The ®lms were deposited on Pt/SiO2/Si substrates using the Chemical Solution Deposition and were crystallized by conventional thermal annealing at 850 C. One sensitivity maximum was observed in the spectral distribution of the photoconductive signal and was attributed to band-to-band generat...
متن کاملPhotoconductivity in thin films of a-Ga40SeXTe60-X
2014 Present communication reports on photoconductivity measurements in thin films of Ga40SexTe60-x glasses (x = 20, 30, 40). Temperature dependence of steady state photocurrent and dark current show that dark and steady state photoconductivity are activated processes. Intensity dependence of photocurrent reveals about power law dependence of photocurrent on incident radiation. Also incorporate...
متن کاملStudies of Near-field Nonlinear Optical Imaging of Thin Films and Transient Photoconductivity in Conjugated Polymers
Title of Dissertation: STUDIES OF NEAR-FIELD NONLINEAR OPTICAL IMAGING OF THIN FILMS AND TRANSIENT PHOTOCONDUCTIVITY IN CONJUGATED POLYMERS Hongye Liang, Doctor of Philosophy, 2005 Directed By: Professor Chi Hsiang Lee Professor Christopher Davis Department of Electrical and Computer Engineering The dissertation is composed of two parts: 1) near-field nonlinear optical studies of ferroelectric ...
متن کاملPhotoconductivity in amorphous thin films of Ge22Se68Bi 10
Temperature and intensity dependence of steady state photoconductivity is studied in amorphous thin films of Ge22Se68Bi10 prepared by vacuum evaporation. Photoconductivity increases exponentially with temperature between 310 K and 410 K and no maxima is found in this temperature range. The ratio Iph/Id is about 6 at 310 K and decreases continuously as temperature is increased. Photoconductivity...
متن کاملPersistent photoconductivity in strained epitaxial BiFeO3 thin films.
A drastic change in the conductivity of strained BiFeO3 (BFO) films is observed after illuminating them with above-band gap light. This has been termed as persistent photoconductivity. The enhanced conductivity decays exponentially with time. A trapping character of the sub-band levels and their subsequent gradual emptying is proposed as a possible mechanism.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Progress in Natural Science: Materials International
سال: 2012
ISSN: 1002-0071
DOI: 10.1016/j.pnsc.2012.05.003