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Questions related from S. S. Danewalia
Glass-ceramic pellet was coated both sides with Platinum and impedance measurement were taken. Plot shown in attached figure represents data taken at 600 °C. In some of the other samples also, a...
30 January 2019 5,358 19 View
Usually ferrite based materials have potential to absorb microwaves. Impedance matching, which depends on permeability and permittivity of the material, is very important in such cases. Do Hc and...
26 March 2018 3,858 5 View
Metallic implants fail in physiological environments due to many reasons over time. I need year wise (last 5 years) data on production and failures of the metallic implants for some research...
09 December 2017 7,692 3 View
Earth is also magnetic. So, whether that magnetic attraction affects the free fall of magnetic and non-magnetic bodies of same mass.
01 November 2017 3,509 11 View
Our glasses do not contain any carbon in composition (SiO2-B2O3-CaO-MnF2). However, the XPS spectra shows the carbon peak (1s) at ~ 285 ev (Binding energy). Measurements were performed on...
15 December 2016 3,480 20 View
Low k-materials are obtained either in silica based systems or polymers and some other materials. I want to know what minimum dielectric constant has been achieved in case of glass and glass ceramics.
28 July 2015 8,267 0 View
Glass ceramics generally have well defined Raman peaks in Raman spectrum. However with the increase in modifier content, I observed that intensity of the peaks decreased and ceased to even zero...
04 May 2015 7,711 7 View
We synthesized glasses via melt and quench technique. We observed that high wavenumber (particularly >1000 cm^-1) region of the spectra consist of regularly increasing intensity curve with no...
04 May 2015 6,849 7 View
Glass-ceramics are generally less bioactive than their glass counterparts. A range of SBF solutions is available to check in-vitro bioactivity such as SBF,c-SBF, r-SBF, Tas-SBF, TRIS etc. Which...
14 April 2015 989 6 View
We have Solartron SI 1260 FRA Impedance analyzer with Eurotherm furnace. It gives good quality cole-cole curves when the probostat is placed out side the furnace chamber. But as soon as we place...
17 February 2015 1,748 5 View
Seeking to calculate optical basicity of some oxides like Manganese oxides, Iron oxides etc. But in the literature I came across many formulas for the same. Which one to choose and why?
27 July 2013 7,177 6 View
Optical band gap energies of some glasses have been calculate using Tauc' plots from UV-vis data. Can some predictions be made about the bioactivity of the material?
27 July 2013 5,326 0 View
