How fast does nitrogen degrade calcium thin films?

Hello All, In order to make some calcium test devices, we will be needing to expose calcium pads (100 nm of thickness) to nitrogen atmosphere. We do not expect the exposure time to be more than a...

08 September 2019 1,183 4 View

Best Type of QCM for Low-Density Organic Materials?

Does anybody have any experience with evaporation of organic materials, and the most suitable type of QCM for thickness control? I'm getting very low repeatability in growth rate, and I'm...

01 February 2019 9,565 2 View

How can I perform a phi scan on a Bruker Discover D8 machine?

In order to verify the epitaxial nature of the thin films, one can perform a phi scan. The distribution of a certain omega-2theta peak along phi will be indicative of the two-dimensional...

04 May 2014 7,148 2 View

Alternatives to PoPLA software?

I am looking for a software package for building and analysis of pole figures in thin films. I'm having a hard time finding the PoPLA software. What alternatives would you suggest?

03 April 2014 2,848 2 View

Why is my GIXRD data noisier than coupled scan data?

I have GaN and AlN films ranging from 10 nm-150 nm in thickness. For the thicker films, I can use the general theta-2theta coupled scan. But for the thinner films, I have to use the grazing...

03 April 2014 9,190 1 View

How to convert a Bruker GADDS frame to a lossless image?

When using a two-dimensional detector, Bruker Discover machines can give a two-dimensional "GADDS Frame" that shows intensity as a function of 2theta and chi. Now the software does not have any...

03 April 2014 897 8 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View