نتایج جستجو برای: four point probe

تعداد نتایج: 1194135  

2010
K. M. Lee T. Y. Choi S. K. Lee

The thermoelectric figure of merit (ZT) of a single β-Silicon Carbide (SiC) nanowire (NW) was measured using the four-point three-omega (3-ω) method for the first time. The electrical conductivity (σ), thermal conductivity (κ), and Seebeck coefficient (S) were measured on the same measurement platform consisting of four point probe. To this end, we developed a novel technique in which focused i...

Journal: :Mathematical and Computer Modelling 2008

Journal: :Fundamenta Mathematicae 1980

Journal: :Applied Mathematical Modelling 2001

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2009
negin manavizadeh alireza khodayari ebrahim asl soleimani sheida bagherzadeh mohammad hadi maleki

indium tin oxide (ito) thin films were deposited on glass substrates by rf sputtering using an ito ceramic target (in2o3-sno2, 90-10 wt. %). after deposition, samples were annealed at different temperatures in vacuum furnace. the post vacuum annealing effects on the structural, optical and electrical properties of ito films were investigated. polycrystalline ito films have been analyzed in wide...

Journal: :journal of nanostructures 2012
a. hojabri f. hajakbari m. a. moghri moazzen s. kadkhodaei

copper thin films with nano-scale structure have numerous applications in modern technology.  in this work, cu thin films with different thicknesses from 50–220 nm have been deposited on glass substrate by dc magnetron sputtering technique at room temperature in pure ar gas. the sputtering time was considered in 4, 8, 12 and 16 min, respectively. the thickness effect on the structural, morpholo...

Journal: :Journal of the Japan Society for Aeronautical and Space Sciences 1990

Cadmium chalcogenides with appropriate band gap energy have been attracting a great deal of attention because of their potential applications in optoelectronic devices. In this work CdS thin films were deposited on p – type silicon substrates by sol – gel spin coating method at different substrate temperatures. The CdS deposited wafers were characterized by X‐ray diffracti...

2014
Leigh T. Stephenson Anna V. Ceguerra Tong Li Tanaporn Rojhirunsakool Soumya Nag Rajarshi Banerjee Julie M. Cairney Simon P. Ringer

This new alternate approach to data processing for analyses that traditionally employed grid-based counting methods is necessary because it removes a user-imposed coordinate system that not only limits an analysis but also may introduce errors. We have modified the widely used "binomial" analysis for APT data by replacing grid-based counting with coordinate-independent nearest neighbour identif...

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