MS2041_01 Introduction to crystal structures and diffraction theory 結晶繞射概論 MSE, National Tsing Hua University Fall semester 9/2015-1/2016 Instructor: Prof. Cho-Jen Tsai Office hours: By appointment (TEL: 33831 or cjtsai@mx.nthu.edu.tw) Time: W3W4F3F4 Classroom: 台達B105 Teaching Assistants: 黃心楷、陳凱婷 李廷勳、黃鈺家 The newest PPT files for lectures as well as the homework will be sent to your e-mail before the class! You can also download the old file from http://www.mse.nthu.edu.tw/~cjtsai/Diffraction.html Grading: problem sets (25%) two midterms (25% per each) one final (25%) take attendance (5 times for 5 extra points*) *: will be effective only when your grade is below 60 points Main References: Lecture notes of Prof. Huang http://www.mse.nthu.edu.tw/~jch/diffraction/index.html Powerpoint: http://www.mse.nthu.edu.tw/~cjtsai/Crystal_Diffraction.htm B.D. Cullity, “Elements of X-ray Diffraction”, Prentice Hall Other References: C. Hammond, “The Basics of Crystallography and Diffraction”, Oxford, 2001. Eugene Hecht “Optics”(Chapter 10) John M. Cowley, “Diffraction Physics” (Chapter 2) Ronald N. Bracewell, “The Fourier Transform and Its Applications”. (Chapter 2) MIT open course 3.60 (First quarter) (Graduate level) Outline 1. Brief introduction 2. Crystal structure (1D, 2D, 3D) 3. Crystal symmetry (point group, space group) 4. Fraunhofer diffraction from slits 5. Fourier transform 6. Reciprocal lattice 7. Bragg’s law 8. Kinematic theory of diffraction 9. X-ray diffraction 10. Low energy electron diffraction (LEED) 11. Reflection high energy electron diffraction (RHEED) 12. Electron diffraction in TEM Weeks # 1 Date 09/16 09/18 09/23 2 09/25 3 4 5 6 09/30 10/02 10/07 10/09 10/14 10/16 10/21 10/23 Lectures Brief introduction + Crystal structure Crystal structure Crystal structure: stereographic projection Crystal symmetry: symmetry element Crystal symmetry: Bravais lattice Crystal symmetry: point group point group 國慶日補假 point group + space group Crystal symmetry: space group Crystal symmetry: space group Crystal symmetry: space group Problem sets #1 #2 #3 Weeks # 7 8 Date Lectures 10/28 10/30 11/4 Slit Midterm #1 Slit Fourier transform + solution to Midterm#1 Fourier transform + Reciprocal lattice Reciprocal lattice + Bragg’s diffraction 全校運動大會停課 Kinematic theory Kinematic theory Kinematic theory Shape effect Midterm #2 11/6 11/11 9 11/13 10 11 12 11/18 11/20 11/25 11/27 12/2 12/4 Problem sets #4 #5 #6 Weeks # 13 14 15 16 17 Date 12/9 12/11 12/16 12/18 12/23 12/25 12/30 1/1 1/6 1/8 Lectures Laue pattern + solution to Midterm#2 Diffractometer Powder method LEED LEED RHEED TEM 開國紀念日 Final remark Final Exam Problem sets #7 #8 #9 ?