Dattatray Gadkari

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Questions related from Dattatray Gadkari

Are the conditions for detached crystal growth in space and terrestrial laboratories similar?

The several detached semiconductor bulk crystals (InSb, GaSb etc.) have been grown, since 1993, in our laboratory. These grown crystals showed micro and macro homogenous composition with...

05 May 2015 2,459 2 View

How did the solid drop observed at the end in some of the ternary detached ingots grow by the VDS method?

We have been growing bulk ternary crystal by using vertical directional solidification (VDS) technique. The qualities of the wafers cut from these ingots have been assessed by the different...

01 January 2015 6,824 0 View

Why are there cracks in ampoules In bulk crystal growth of InGaSb / GaInSb?

The vertical directional solidification technique for bulk single crystal ingot growth without the seed and without contact to the ampoule wall has been designed and fabricated in our laboratory....

12 December 2014 6,195 2 View

Why do infrared devices require high quality crystals?

The bulk of InSb and GaSb crystals grown by VDS have been used for infrared applications. Crystal performance needs to be improved for sensors and detectors.

10 October 2014 6,847 2 View

What is the effect on band gap by doping semiconductor bulk crystal?

In our laboratory crystal grown by VDS, we have grown doped InSb and GaSb bulk crystals. Some crystal showed decrease in band gap while other crystal showed increase in band gap. Normally, it is...

10 October 2014 6,220 14 View