For both Si and GaAs the maximum valence band energy of an electron occurs at Â¯p= 0. The minimum energy of the conduction band electron in GaAs also occurs for Â¯p= 0, hence a transition across the bandgap only requires an E g energy absorbtion or emission. Because of this, GaAs is called a direct semi-conductor.
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System.DateTime moment = new System.DateTime( 1999, 1, 13, 3, 57, 32, 11); // Year gets 1999. int year = moment.Year; // Month gets 1 (January). int month = moment.Month; // Day gets 13. int day = moment.Day; // Hour gets 3. int hour = moment.Hour; // Minute gets 57. int minute = moment.Minute; // Second gets 32.