Nguyen Tung

5 Questions 15 Answers 0 Followers

Questions related from Nguyen Tung

Does anyone know how to determine the Miller indices (hkl) of non-cubic structures such as body centered tetragonal (bct)?

The crystalline phase in my materials include bcc (Fe-Si), bct (Fe2B), and bct Fe3B. I can index the bcc (Fe-Si) in XRD or TEM, but I don't know how to index bct phase.

03 March 2014 8,623 5 View

What is the principle of creating a background curve? and How can we quantify the percentage of crystalline phase?

I use XRD to identify crystalline phases created in metallic glass film after heat treatment. In order to compare these crystalline phases, I quantify how much these phase is formed by calculating...

02 February 2014 5,196 1 View

Could anyone help me with some questions about XRD?

Hello everyone, I am just starting to learn XRD. I have some questions I need to clarify about XRD. 1) I don't know whether the XRD characterizes the sample at one spot or in an area. How big...

09 September 2013 2,867 4 View

Can anyone help me calculate the volume fraction of crystalline phase by XRD?

I am a beginner in learning XRD analysis. Can we use the X'pert highscore software to determine the percentages of crystallinity based on the diffraction pattern? Which formula is used to...

08 August 2013 5,166 68 View

How can we estimate the heating and cooling rate in a femtosecond laser?

Does anyone know a formula to calculate the heating and cooling rates in a femtosecond laser? How can we measure the temperature during laser processing ?

08 August 2013 4,291 14 View