X 光繞射學

(1) 了解X光的產生及特性。(2) 了解基本結晶構造。(3) 了解X光繞射的基本原理、法則。(4) 解讀X光繞射圖譜、進行基本結晶構造分析。(5) 進階應用 (應力、缺陷、薄膜分析等)

晶體繞射導論 材料科學導論

無備註

POWERPOINT解說。 講義發放。

依課程目標理解度進行評分。評分配比如下: 上課出席狀況(10%),小考(30 %),期中測驗(30%),期末測驗(30%)。

• L1_Properties of X-rays

  1. Early History of X-rays 2. Electromagnetic Radiation 3. The Continuous Spectrum 4. The Characteristic Spectrum 5. Absorption/Filtering

  講授：

  3

• L2_Geometry of Crystals

  1. Crystal Lattice & Unit Cell 2. 7 Crystal Systems 3. 10 Symmetry Elements & 32 Point Groups 4. 14 Bravais Lattices & Space Group 5. Designation for Crystal Geometry 6. Simple Calculations for Crystal Geometry 7. Stereographic Projection

  講授：

  3

• L3_Diffraction I_Geometry

  1. Reciprocal Lattice 2. Bragg’s Law 3. Laue’s Equations 4. Ewald Diffraction Sphere 5. Diffraction Methods

  講授：

  3

• L4_Diffraction II_Intensities of Diffracted Beams

  1. X-ray Scattering by an Electron 2 .X-ray Scattering by an Atom 3. X-ray Scattering by a Unit Cell 4. Calculation of Structure Factors 5. Phase Problem 6. Relative Intensity for Powder Diffraction

  講授：

  3

• L5_Diffraction III_Real Samples

  1. Defects in Crystals 2. Scherrer Equation 3. Effects of Crystal Size, Mosicity & Lattice Strain 4. Interference Function 5. Perfect Crystals

  講授：

  3

• L6_Powder Diffractometer

  1. Powder Camera 2. Powder Diffractometer 3. Powder Diffraction Pattern 4. Powder Diffraction File Database 5. Hanawalt Method 6. Computerized Match 7. Quantitative Phase Analysis 8. Rietveld Method 9. Sample and Diffractometer Errors

  講授：

  3

• L7_High resolution XRD (I)

  1. Epitaxial Thin Films for HRTEM 2. HRTEM Geometry 3. Why HRTEM? 4. How to Produce Parallel X rays 5. Multiple Axes in HRXRD 6. Scan Modes in HRXRD 7. Scan Area Limitation of HRXRD 8. Reciprocal Space Mapping 9. Strained & Relaxed Thin Films

  講授：

  3

• L8_High resolution XRD (II)

  1. Scan Mode in Reciprocal and Real Space 2 .To Obtain Real Omega 3. Mosaicity Effects on RSM 4. Variation of Mosaicity and Lattice Const. 5. Mosaicity + Film Tilt + Strain 6. Summary 7. Case Study 8.Defects Analysis by Rocking Curve 9. Curvature 10. Thickness

  講授：

  3

• L9_Small Angle X-ray Scattering

  1. Why Small Angle? 2. Experiments 3. Theories of SAXS 4. Summary & Some Cases

  講授：

  3

• L10_X-ray Reflectivity

  1. X-ray Reflectivity

  講授：

  3

1. Elements of X-ray Diffraction, Third Edition, B.D. Cullity and S.R. Stock, Prentice Hall. 2. The Basics of Crystallography and Diffraction, Second Edition.

地點

EF304

時間

每週二、四下午4:30~6:00

聯絡方式

31287