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An electron beam, where all electrons have the same energy of 42.5 eV, strikes perpendicularly on the surface of a crystalline material, causing electrons to scatter from the surface atoms. The order of diffraction m = 2 intensity maximum occurs at an angle of 60.6\ deg relative to the surface normal. a) Calculate the distance between atoms in the surface layer. d = b) Are- there any other intensity maxima? 1) Yes. 2) No.

An electron beam, where all electrons have the same energy of 42.5 eV, strikes perpendicularly on the surface of a crystalline material, causing electrons to scatter from the surface atoms. The order of diffraction m = 2 intensity maximum occurs at an angle of 60.6\ deg relative to the surface normal. a) Calculate the distance between atoms in the surface layer. d = b) Are- there any other intensity maxima? 1) Yes. 2) No.

Glencoe Physics: Principles and Problems, Student Edition
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter27: Quantum Theory
Section: Chapter Questions
Problem 58A
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An electron beam, where all electrons have the same energy of 42.5 eV, strikes perpendicularly on the surface of a crystalline material, causing electrons to scatter from the surface atoms. The order of diffraction m = 2 intensity maximum occurs at an angle of 60.6\ deg relative to the surface normal. a) Calculate the distance between atoms in the surface layer. d = b) Are there any other intensity maxima? 1) Yes. 2) No.
Transcribed Image Text:An electron beam, where all electrons have the same energy of 42.5 eV, strikes perpendicularly on the surface of a crystalline material, causing electrons to scatter from the surface atoms. The order of diffraction m = 2 intensity maximum occurs at an angle of 60.6\ deg relative to the surface normal. a) Calculate the distance between atoms in the surface layer. d = b) Are there any other intensity maxima? 1) Yes. 2) No.
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