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Questions related from Mikhail Pylnev
why images in scanning electron microscope(sem) got bright stripes? an image is attached. it does not look like a material related contrast(polymers). it does not disappear with current, voltage...
01 January 2020 8,880 4 View
Is it safe to connect a gas tank instead of compressor to a laser system that uses gas to cool down the sample and clean the debris. The system won't start unless compressor is working. What...
08 August 2019 910 4 View
I use reactive magnetron sputtering system to deposit TiO thin films. Specifically, I use 3 Ti targets, 8 mTorr of Ar with O2(20/3.5). However, if I use 3 sccm of O2, I obtain Ti and if I use 3.5...
01 January 2017 1,193 5 View
Is there any database available to check the Raman spectra of Ti( Metal) and TiHx species? There are none in rruff
11 November 2016 1,702 1 View
I need to measure the optical absorption of a thin film( ~500 nm). Attached are T% and R% spectra. I may use either Beer–Lambert law to calculate A% using R% data or Kubelka-Munk function using...
09 September 2016 6,124 12 View
The most popular VIS-light source for measuring photocatalytic activity must be XBO R 300 W/60 C OFR by Osram. However, it is not easy to buy the source and it does not seem easy to use it- it...
07 July 2016 8,929 12 View
I deposit films by magnetron sputtering from Ti and TiO2 targets in Ar plasma[Pbase=10^-6 Torr]. I deposited a 70 nm-layer of Ti and then 120 nm-layer of TiO2 on top of it however, after annealing...
06 June 2016 9,446 16 View
We use Rigaku D/Max-2500V X-ray Diffractometer for obtaining XRD spectra of our samples. The sample used in this experiment was Si powder prepared by milling the silicon wafer. We have used 3...
04 April 2016 793 5 View
We use RF-generator PFG600-RF[Trumpf] for depositing thin films in our3-target magnetron sputtering system. It works perfectly fine for conductivetargets and it is very easy to eliminate REFP...
04 April 2016 2,948 26 View
We use a water- cooled mini-lamp annealing system Mila-3000 that can provide annealing at a temperature of 1000 C. 2 months ago we got a hole in the water cooling subsystem and after it was...
11 November 2015 3,973 0 View
I am trying to get the absorbance of TiO2 thin film applying Kubelka- Munk function to the reflectance spectrum however reflectance of Si is high in the UV-VIS region of spectra(200-500nm) and...
10 October 2015 8,509 3 View
It seems like the reflectance standard provided by the manufacturer of our spectrophotometer does not work for the UV area (
10 October 2015 5,383 4 View
I want to to built the reciprocal lattice of anatase TiO2. What are the coordinates of Ti and O atoms in anatase TiO2 direct unit cell?
07 July 2015 1,484 6 View
In this paper (DOI: 10.1002/anie.200704788 ), the authors impregnated rutile TiO2 particles with a solution of titanium tetraisopropoxide in 2-propanol (the weight ratio of anatase phase to rutile...
02 February 2015 10,037 1 View
TiO2 crystallizes in rutile structure (tetragonal, space group P42/mnm) and this modification is stable under ambient conditions. Other stable under ambient conditions, however metastable...
01 January 2015 4,252 17 View
To what phases can they belong? CeO2 film was obtained on SrTiO3(001) substrate by the Polymer - Assisted Sol - Gel Deposition deposition method using polyvinylcaprolactam (PVCL) as the polymer....
12 December 2014 6,831 5 View
Could you provide a paper in which the concentration of Ti3+ states that are presumably responsible for the shift to the visible region, is quantified?
12 December 2014 6,749 6 View
Could you please provide papers having identical samples of modified TiO2?
12 December 2014 2,072 1 View
I encountered with this many times. For example, in "Journal of Hazardous Materials 168 (2009) 253–261" the authors obtained N-doped TiO2 using different precursors. Actually, the preparation...
12 December 2014 6,253 2 View
