Electronic, Optical, and Magnetic Properties of Materials Laboratory

Experimental investigations of electronic, optical, and magnetic properties of engineering materials, emphasizing the fundamental relationship between microstructure and properties as well as the influence of rate processes on the evolution of the microstructure and properties.


1. Practical Devices
Demonstrations of Hall effect devices, reed relays (magnetostriction), thermoelectric devices, piezoelectric devices, superconductivity, and other devices based on other magneto-electro-optical materials.

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Screen shot of the data acquisition software.

2. Electrical Resistivity as a Function of Temperature
This experiment involves recording the change in resistance of 2-meter coils of wire placed in a pre-heated tube furnace.  Several materials are tested, including steel, copper, brass, nichrome, and aluminum.

  • Procedure - Notes and the complete procedure for this experiment.
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3. Fourier Transform Infrared Spectroscopy
This experiment covers the principles of FTIR and one of its many applications, identifying unknown organic and polymeric materials.

  • Procedure - Notes and the complete procedure for this experiment.
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4. Magnetic Materials
B-H curves of standard and newly developed magnetic materials.

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5. Field Trip/Plant Tour
Field trips typically take the students to companies such as OCLI (JDS Uniphase) in Santa Rosa to see how optical coatings are designed, manufacturer and tested, or at Intel in Folsom where integrated circuits are manufactured, all in an industrial environment where the students have an opportunity to meet with practicing engineers and technicians and to simply get a better idea of what it will be like to work as an engineer.

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Appendices
The appendices page on this web site offers a number of documents that you will find useful during and after the laboratory session. These include operating procedures for the equipment, tips and trick for digital imaging, and documents that will help you get the most out out your spreadsheet-based assignments and writing the laboratory reports. The documents you should look are:

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