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Writing magnetic patterns with surface acoustic waves

Creator:

Li, Weiyang, Buford, Benjamin, Jander, Albrecht, and Dhagat, Pallavi

Abstract:

A novel patterning technique that creates magnetization patterns in a continuous magnetostrictive film with surface acoustic waves is demonstrated. Patterns of 10 μm wide stripes of alternating magnetization and a 3 μm dot of reversed magnetization are written using standing and focusing acoustic waves, respectively. The magnetization pattern is size-tunable,...

Resource Type:

Article
Measuring the inverse magnetostrictive effect in a thin film using a modified vibrating sample magnetometer

Creator:

Buford, Benjamin, Dhagat, Pallavi, and Jander, Albrecht

Abstract:

A method for measuring the magnetostriction of thin films using a vibrating sample magnetometer is described. We describe the design of a custom sample holder to apply an adjustable bending stress to the sample during measurement and observe the resulting change in the M-H loop.

Resource Type:

Article