'Bragg' diaporamas de présentation

Scott A Speakman, Ph.D. speakman@mit (617) 253-6887 prism.mit/xray

Basics of X-Ray Powder Diffraction Training to Become an Independent User of the X-Ray SEF at the Center for Materials Science and Engineering at MIT. Scott A Speakman, Ph.D. speakman@mit.edu (617) 253-6887 http://prism.mit.edu/xray.

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Nano-Materials Characterization

Nano-Materials Characterization. Nano. Systems. Characterization. Design and. Growth and. Modeling. Processing. and Analysis. Yoram Shapira, EE Nano-bio-electronics 18.12.01. Nano-Materials Characterization. Nano-Materials Characterization.

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Measurement of Gas Properties by Incoherent and Coherent Rayleigh Scattering Richard B. Miles Princeton University Dept.

Measurement of Gas Properties by Incoherent and Coherent Rayleigh Scattering Richard B. Miles Princeton University Dept. of Mechanical & Aerospace Engineering. The Ohio State University Frontiers in Spectroscopy Feb 16-18, 2005.

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Fundamental Concepts

Fundamental Concepts. Crystalline: Repeating/periodic array of atoms; each atom bonds to nearest neighbor atoms. Crystalline structure: Results in a lattice or three-dimensional arrangement of atoms. Unit cells Smallest repeat unit/entity of a lattice.

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Microtexture: Electron Diffraction in the SEM (L16)

Microtexture: Electron Diffraction in the SEM (L16). Texture, Microstructure & Anisotropy, Fall 2009 A.D. Rollett, P. Kalu. Different types of microtexture techniques for obtaining crystallographic information. TEM-based. SEM-based. ELECTRONS. EBSD. ECP. Koseel. Kikuchi.

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Molecular Biophysics Diffraction theory (2)

Molecular Biophysics Diffraction theory (2). F cryst ( S ) = n a n b n c F 0 ( S ). if and only if 2 p a . S = 2 p b . S = 2 p c . S = 0 or 2 p or 4 p etc. }. h , k , l are integers, called the Miller indices of the scattered beam. Diffraction from a crystal.

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Physics 1C

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Objectives

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Objectives

Objectives. By the end of this section you should: understand the concept of planes in crystals know that planes are identified by their Miller Index and their separation, d be able to calculate Miller Indices for planes know and be able to use the d-spacing equation for orthogonal crystals

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NSLS-II Hard X-ray Nanoprobe Beamline

NSLS-II Hard X-ray Nanoprobe Beamline. Yong Chu Experimental Facilities Division, NSLS-II Experimental Facilities Advisory Committee Meeting April 23-24, 2009. HXN Team. HXN beamline Group Leader: Yong Chu (Joined Jan, 2009). Beamline Scientist: finalizing the interview process

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Preliminary Results from Titan Divergence Measurements

Preliminary Results from Titan Divergence Measurements. L. D. Van Woerkom Department of Physics The Ohio State University. FSC Special Meeting LLNL 4-6 August 2010. Collaborators. FSC. Funding. Office of Fusion Energy Science (OFES) Advanced Concept Exploration Program

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Lecture IX dr hab. Ewa popko Electron dynamics

Lecture IX dr hab. Ewa popko Electron dynamics. Band structure calculations give E(k) E(k) determines the dynamics of the electrons. Semi-classical model of electron dynamics . E(k), which is obtained from quantum mechanical band structure calculations, determines the electron dynamics

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Nanocrystals

Nanocrystals. MoS 2 - crystalline. Nanocrystals. MoS 2 - crystalline. stuff w/ Li to get LiMoS 2. Nanocrystals. MoS 2 - crystalline Severely disrupts structure Local structure well-defined, poor long range order . stuff w/ Li to get LiMoS 2. Nanocrystals. MoS 2 - crystalline

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Exercise: Indexing of the electron diffraction patterns

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Reciprocal Space

Reciprocal Space.

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Faulty Logic ( YEAH!!)

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FORSCOM/USARC HQ View from Historic Polo Field

FORSCOM/USARC HQ View from Historic Polo Field. FORSCOM/USARC HQ View from Scott and Knox Streets. FORSCOM Disaster Recovery Center at Camp Mackall. Temporary and Permanent FORSCOM/USARC Facilities on Fort Bragg . Firestone Building. FORSCOM/USARC HQ . DOIM Admin Building.

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Electron Diffraction Experiment

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512015

Mediterranean Journey with Ms. Bragg. MAP. April 8 th. 512015. 512015.

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