XRay Diffraction Spectroscopy RAMAN Microwave What is XRay

  • Slides: 21
Download presentation
X-Ray Diffraction Spectroscopy • RAMAN • Microwave

X-Ray Diffraction Spectroscopy • RAMAN • Microwave

What is X-Ray Diffraction?

What is X-Ray Diffraction?

X-Ray Diffraction and The Bragg’s Law Max Von Laue William Lawrence Bragg William Henry

X-Ray Diffraction and The Bragg’s Law Max Von Laue William Lawrence Bragg William Henry Bragg

BRAGG’S LAW

BRAGG’S LAW

BRAGG’S LAW

BRAGG’S LAW

COMPONENTS OF XRD MACHINE

COMPONENTS OF XRD MACHINE

HOW DIFFRACTION WORKS?

HOW DIFFRACTION WORKS?

HOW DIFFRACTION WORKS?

HOW DIFFRACTION WORKS?

Applications of XRD � Find structure to determine function of proteins � Distinguish between

Applications of XRD � Find structure to determine function of proteins � Distinguish between different crystal structures with identical compositions � Study crystal deformation and stress properties � Study of rapid biological and chemical properties � Crystallographic applications

SPECTROSCOPY Spectroscopy is the study of the interaction between matter and radiated energy. It

SPECTROSCOPY Spectroscopy is the study of the interaction between matter and radiated energy. It originated through the study of visible light dispersed according to its wavelength, by a prism. Spectroscopy is the measurement of radiation intensity as a function of wavelength.

The Electromagnetic Spectrum

The Electromagnetic Spectrum

RAMAN SPECTROSCOPY § Raman Spectroscopy is a technique that uses scattered light resulting from

RAMAN SPECTROSCOPY § Raman Spectroscopy is a technique that uses scattered light resulting from photon –molecule collisions to investigate molecular properties.

RAMAN SPECTROSCOPY

RAMAN SPECTROSCOPY

RAMAN SCATTERING

RAMAN SCATTERING

RAMAN SPECTROSCOPY § Stokes Lines: Energy shifted down § Anti-Stokes: Energy shifted up §

RAMAN SPECTROSCOPY § Stokes Lines: Energy shifted down § Anti-Stokes: Energy shifted up § Raman scattering is governed by the polarizability of the electron cloud of the sample

A MODERN RAMAN SPECTROMETER

A MODERN RAMAN SPECTROMETER

� Identification of compound by matching the spectrum of unknown with reference spectrum (fingerprint).

� Identification of compound by matching the spectrum of unknown with reference spectrum (fingerprint). Determination of molecular composition of surfaces. � Identification of all type of inorganic compounds in solid and aqueous solution. � Detection of molecular impurites and additives. �

MICROWAVE SPECTROSCOPY � Microwave rotational spectroscopy uses microwave radiation to measure the energies of

MICROWAVE SPECTROSCOPY � Microwave rotational spectroscopy uses microwave radiation to measure the energies of rotational transitions for molecules in the gas phase.

MICROWAVE SPECTROSCOPY ▪ It is mainly used to get information about gas molecules, such

MICROWAVE SPECTROSCOPY ▪ It is mainly used to get information about gas molecules, such as ▪ 1. Accurate bond lengths and angles. ▪ 2. Electric dipole moments. ▪ 3. Centrifugal distortion constants. ▪ It can also be used to study dielectric constants, dipole moments in liquids and solutions, and potential energy barriers to rotation

THANK YOU!

THANK YOU!

XRay Diffraction and XRay Crystallography Diffraction l DiffractionXRay Diffraction and XRay Crystallography Diffraction l Diffraction
Benchtop Xray Diffraction Spectroscopy Introduction XRay Diffraction XRDBenchtop Xray Diffraction Spectroscopy Introduction XRay Diffraction XRD
XRAY DIFFRACTION XRay Crystallography I XRay Diffraction UsesXRAY DIFFRACTION XRay Crystallography I XRay Diffraction Uses
Raman Spectroscopy Laser 4880 Raman Spectroscopy Selection RulesRaman Spectroscopy Laser 4880 Raman Spectroscopy Selection Rules
Raman Spectroscopy A Introduction 1 Raman spectroscopy complimentaryRaman Spectroscopy A Introduction 1 Raman spectroscopy complimentary
Raman Spectroscopy A Introduction 1 Raman spectroscopy complementaryRaman Spectroscopy A Introduction 1 Raman spectroscopy complementary
Raman Spectroscopy A Introduction 1 Raman spectroscopy complementaryRaman Spectroscopy A Introduction 1 Raman spectroscopy complementary
Optical Biopsies in Neurosurgery Raman Spectroscopy Raman SpectroscopyOptical Biopsies in Neurosurgery Raman Spectroscopy Raman Spectroscopy
Raman Spectroscopy A Introduction 1 Raman spectroscopy complementaryRaman Spectroscopy A Introduction 1 Raman spectroscopy complementary
Raman Spectroscopy Laser 4880 Raman Spectroscopy Selection RulesRaman Spectroscopy Laser 4880 Raman Spectroscopy Selection Rules
Raman Effect Raman Effect SmekalRaman Effect Raman EffectRaman Effect Raman Effect SmekalRaman Effect Raman Effect
Xray diffraction Xray diffraction Braggs law 2 dhklXray diffraction Xray diffraction Braggs law 2 dhkl
Xray Diffraction XRD What is Xray Diffraction PropertiesXray Diffraction XRD What is Xray Diffraction Properties
UltraHigh Resolution Xray Diffraction 12 Xray diffraction dataUltraHigh Resolution Xray Diffraction 12 Xray diffraction data
XRay Diffraction for Soils Melody Bergeron XRay DiffractionXRay Diffraction for Soils Melody Bergeron XRay Diffraction
Crystal diffraction by Xray What is Xray DiffractionCrystal diffraction by Xray What is Xray Diffraction
CHEM 515 Spectroscopy Microwave Spectroscopy I Microwave andCHEM 515 Spectroscopy Microwave Spectroscopy I Microwave and
XRay Diffraction XRD XRay Photoelectron Spectroscopy XPS ByXRay Diffraction XRD XRay Photoelectron Spectroscopy XPS By
m RAMAN Introduction and Applications in Raman Spectroscopym RAMAN Introduction and Applications in Raman Spectroscopy
Raman Spectroscopy Raman effect is a 2 photonRaman Spectroscopy Raman effect is a 2 photon