Can II-VI compound semiconductors show metallic behavior (from R-T study) at very low temperature?

04 April 2016 0 3K Report

Whether II-VI compound semiconductors exhibit metal-insulator transition (R-T measurement) at very low temperature (10K to 50K)

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Profex - How to import .str files properly?

I am using Profex software to analyze XRD. It works fine for materials whose .str file are available in package. But fails when I use imported .str I downloaded .cif file and converted to...

02 March 2018 7,404 5 View

How to quantify defect state density from PL spectra?

How to quantify the defect state density from PL spectra for a semiconducting thin film?

03 April 2017 4,473 6 View

Publication details I have list of papers in DOI/EID form. Can I get publication month and impact factor of the corresponding journals?

I have list of papers in DOI/EID form. Can I get publication month/year and impact factor of the corresponding journals? May be by using SciVal or Scopus

31 December 2016 6,457 0 View

Suggest free simulation software to simulate optical transmittance of thin film samples?

I would like to simulate bi-layer thin film transmittance. Any free software?

01 February 2016 3,064 11 View

What do Raman spectra intensity indicate?

I have Raman data for thin films deposited under the same condition but that have undergone different post-deposition treatments. Along with peak shifts, there is a considerable change in peak...

02 March 2014 1,928 5 View

How to detect quasicrystalline state?

Difference between amorphous, quasi-crystalline and crystalline state.

05 June 2013 6,718 4 View

How can I decide scan range in Raman spectroscopy?

I have thin film samples whose composition is known. When samples were sent for Raman Spectroscopy, operator is for the asking scan range. How do I decide it?

05 June 2013 6,495 5 View

how to find r.i (n) of thin film from A, R%,T% data?

I have absorbance, reflectance% and transmittance% data. How to calculate refractive index from this. I tried with R = [(n - 1)^2 + K^2 ] / [(n + 1)^2 + K^2] where K is extinction coefficient....

11 December 2011 2,744 24 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,230 4 View

Where can I find free research instruments for Nursing?

for eg. transition shock scale

01 August 2024 5,998 0 View

Is it possible to improve the reforming section of the Haber-Bosch process without using air separation units?

A typical reforming section in a large-scale Haber-Bosch process (Figure 1) comprises two reactors. A mixture of methane (CH4) and steam (H2O) is fed into a primary reformer to produce syngas via...

01 August 2024 7,051 5 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

Why my gel electrophoresis has smearing?

Greetings. I’m currently running a nested pcr for giardia. My mastermix comprised of 3mM Mgcl2, 5unit of taq polymerase, 0.2uM of forward and reverse primers each respectively and 0.2mM of dNtp...

22 July 2024 9,761 5 View

Is it possible to calculate finite numerical integration via matrix mechanics?

We assume that it is possible to calculate finite numerical integration via statistical matrix mechanics (a product of the statistical method of Cairo techniques). It is obvious that here it is...

21 July 2024 6,809 5 View