CBSE Class 12-science Answered
what is the lattice parameter of GaAs? radius of Ga=122 pm, As=125 pm
Asked by sildasholly2002 | 26 Jul, 2020, 18:37: PM
Radius ratio can be calculated-
![r subscript blank subscript circled plus end subscript over r subscript minus equals 122 over 125 equals 0.976
r a d i u s space r a t i o space equals 0.976
2 left parenthesis r subscript blank subscript circled plus end subscript r subscript minus right parenthesis equals square root of 3 space a
2 left parenthesis 122 plus 125 right parenthesis equals square root of 3 space a
a equals 285.2 space p m](https://images.topperlearning.com/topper/tinymce/cache/082f01843e9205c21f2626b2d793ae63.png)
Answered by Ravi | 27 Jul, 2020, 16:13: PM
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