EBSD Sample Preparation part of Integrating Research and Education:Geochemical Instrumentation and Analysis
By Rachael Beane, Bowdoin College Sample preparation Electron and optical microscopic investigations typically begin with a thin section of rock. Here we detail the method that we have successfully used for ...

Cathodoluminescence Theory part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Darrell Henry, Louisiana State University Bombarding the surface of a material with some incident radiation or particle may result in the emission of electromagnetic radiation beyond that produced by thermal black ...

Optical Cathodoluminesence (Optical-CL) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Darrell Henry, Louisiana State University What is Optical-CL? Optical cathodoluminescence (optical-CL) permits optical examination or imaging of a sample through the attachment of an evacuated CL-stage to an ...

Single Crystal Structure Refinement (SREF) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Christine M. Clark, Eastern Michigan University The electron density map generated by solution of the phase problem can be seen as a basic structure map. However, the assignment of atoms to different intensity ...

X-ray reflection in accordance with Bragg's Law part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Darrell Henry, Louisiana State University Nelson Eby, University of Massachusetts - Lowell John Goodge, University of Minnesota - Duluth David Mogk, Montana State University When a crystal is bombarded with X-rays ...

Browse Geochemical Analytical Instruments and Techniques part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Each of these pages contains information about each instrument or technique including what it is, fundamental principles, how it works, applications, strengths and limitations, sample preparation, data collection, ...

Wavelength-Dispersive X-Ray Spectroscopy (WDS) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Darrell Henry, Louisiana State University John Goodge, University of Minnesota-Duluth When an electron beam of sufficient energy interacts with a sample target it generates X-rays, as well as derivative electrons ...

Scanning Electron Microscopy - Cathodoluminescence (SEM-CL) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Darrell Henry, Louisiana State University What is SEM-CL? A cathodoluminescence detector attached to a Scanning Electron Microscope (SEM), Field Emission Microscope (FEM) or an Electron Microprobe (EPMA) is ...

Back-scattered Electron Detector (BSE) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
John Goodge, University of Minnesota at Duluth. Interaction of an accelerated electron beam with a sample target produces a variety of elastic and inelastic collisions between electrons and atoms within the ...

Secondary Ion Mass Spectrometer (SIMS) part of Integrating Research and Education:Geochemical Instrumentation and Analysis:Techniques
As a class, SIMS instruments (aka ion microprobes) use an internally generated beam of either positive (e.g., Cs) or negative (e.g., O) ions (primary beam) focused on a sample surface to generate ions that are then ...