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When measuring the contact resistance using CTLM method, does the contact increase when the thickness of metal thin film increases twice? The composition of metal is Ni/Au/Ni.
05 May 2019 8,664 1 View
I am working on the ternary alloy engineering. For fabricating devices of alloys with different doping concentration, i need the information about change in Workfunction/fermilevel.
05 May 2019 5,779 4 View
does band gap o semiconductor materials changes with its shape ?
05 May 2019 188 9 View
I am working on semiconductor thin films. When I recorded transmittance spectra of thin films deposited at different thicknesses, for some films i got interference patterns and for some films i...
05 May 2019 8,724 8 View
I went through literature and found that tin oxide is transparent to visible light and absorbs in the IR region. But what about the UV region?
05 May 2019 3,037 6 View
Space proton deposit its energy to the semiconductor. Amount of energy deposited depends on thickness and incident energy of the proton.
05 May 2019 2,522 2 View
Tb contain single phase compound shows double transition. Kindly any one tell me, which will be its band gap? 2.0 eV or 2.7 eV? Thanks in advance.
05 May 2019 7,470 15 View
How can I get, Handbook on Semiconductors Trevor Simpson Moss, Minko Balkanski, Cyril Hilsum , free download?
05 May 2019 694 2 View
I want to calibrate the work-function of our Kelvin probe using HOPG as a reference sample. For the commonly used SPI HOPG, there are three grades, SPI-1, SPI-2 and SPI-3. Is there any difference...
28 April 2019 6,210 10 View
We have calculated the dielectric constant of TiO2 film from the value of n anbd k using the optical reflectance data. We did not carry out any electrical measurement. From the dielectric values...
16 April 2019 877 6 View
Usually HOPG is used for calibrating Kelvin probe tip work-function. However I found if operated in the air, HOPG surface will quickly adsorb air species and the measured contact potential drifts...
09 April 2019 6,008 3 View
Generally Substances with a forbidden band widths Wg < 2eV are considered to be semiconductors while those substances for which Wg > 3eV belong to dielectrics. Now, the question goes like if...
08 April 2019 3,921 4 View
While calculating atomic concentration from SIMS I found rsf elements table for Si. But the RSF table is different for each matrix and impurity element. I need that for InP
04 April 2019 8,055 2 View
04 April 2019 3,905 4 View
04 April 2019 6,308 5 View
04 April 2019 9,830 4 View
Hello everyone! If an oxygen vacancy is the lack of an oxygen in a site in the lattice, what is a possible explanation for the ability to probe the presence/quantity of oxygen vacancies in an...
04 April 2019 5,961 13 View
What is the procedure or formulas for the same?
04 April 2019 5,787 3 View
If we used ternary compound semiconductor as buffer layer than alloy disorder scattering formula e.g. in AlGaN/GaN , GaN replace by InGaN i.e. AlGaN/InGaN.
04 April 2019 3,925 3 View
What can be a possible explanation for observing increasing oxygen vacancies in a metal oxide film (eg: Cu2O) deposited using ALD or CVD when the deposition temperature is increased? As I...
04 April 2019 8,552 5 View
I am prepared in the spray pyrolysis technique Al-doped TiO2 thin films samples. Al is a p-type doped and TiO2 is an n-type semiconductor. N-types and P-types channels will occur in our...
04 April 2019 7,090 12 View
From projected density of states it is found that the top most valence band and the lowermost conduction band arise from Fe-3d and Ti-3d orbitals, respectively. d→d transition is forbidden as we...
27 March 2019 2,583 3 View
For Tauc Plot, (ahv)n/2 vs hv, from where do we get the value of absorption coefficient for that particular material. Is the value of absorbance same as absorption coefficient for solid samples ?...
20 March 2019 2,360 5 View
03 March 2019 1,313 4 View