Xing (Robert) Zhang

3 Questions 12 Answers 0 Followers

Questions related from Xing (Robert) Zhang

What's included in a semiconductor module that an AC/DC module doesn't have (from Comsol)?

Comsol 4.4 version have semiconductor module in it. Has anyone figure out what can be done through the semiconductor module but not through AC/DC module? It looks like semiconductor module is some...

10 October 2014 9,242 2 View

How to achieve high vacuum with Ebeam evaporator?

We have an ebeam evaporator in the cleanroom. A couple of months ago there was a thunderstorm that knocked down the power of the whole building so the Turbo pump from the ebeam evaporator was...

02 February 2014 7,188 14 View

How to accurately calculate the binding energy and Bohr radius for a coulombic exciton within silicon?

Since there are some equations involved, which are hard to type in simple text, please refer to the attached PDF file for details. Basically I need to find out the effective mass for the exciton...

09 September 2013 4,249 3 View