Silviu Preda

4 Questions 11 Answers 0 Followers

Questions related from Silviu Preda

From 1-hexanethiol to 6-Mercaptohexanoic acid?

What conditions (temperature, catalysts, etc.) needs 6-Mercaptohexanoic acid to form starting from 1-hexanethiol?

10 October 2019 975 3 View

CIF file for Titanate nanotubes?

Hi, Where can I find a correct crystallography information file (.cif) for titanate nanotubes? I need crystal structure information, as atom fractional coordinates. Thanks!

11 November 2018 4,807 6 View

Can sodium migrate from interlayer positions to the surface, driven by thermal motion / thermal energy?

During in-situ XRD on sodium titanate nanotubes, {h00} planes intensity decrease and d(hkl) increase. Can sodium migrate from interlayers positions to the (outer/inner) surface, driven by thermal...

09 September 2014 4,369 7 View

What atomic plane of Si (100) or SiO2 can be indexed at 50.83 or 51.28 deg?

When measuring by GIXRD (grazing angle=0.3 or 0.5 deg), using Cu radiation, at 50.83, respectively 51.28 deg, a sharp diffraction line followed by a broad line (53-56 deg) from Si-based substrate...

05 May 2014 8,854 6 View