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Related Experiment Video

Updated: May 2, 2026

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

Note: electrical detection and quantification of Spin Rectification Effect enabled by shorted microstrip transmission

Wee Tee Soh¹, Bin Peng¹, Guozhi Chai²

¹Center for Superconducting and Magnetic Materials, Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117551.

The Review of Scientific Instruments

|March 6, 2014

Summary

A novel shorted microstrip method simplifies Spin Rectification Effect (SRE) measurements. This technique enables sensitive quantification and simultaneous determination of SRE contributions in Permalloy thin films.

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Last Updated: May 2, 2026

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Published on: May 13, 2020

Area of Science:

Condensed matter physics
Materials science
Spintronics

Background:

The Spin Rectification Effect (SRE) is crucial for spintronic devices.
Accurate quantification of SRE is essential for device optimization.
Existing methods for SRE measurement can be complex and time-consuming.

Purpose of the Study:

To introduce a simplified and sensitive method for quantifying the Spin Rectification Effect (SRE).
To demonstrate the applicability of this method to Permalloy (Ni80Fe20) thin films.
To enable simultaneous determination of various SRE contributions.

Main Methods:

Development of a shorted microstrip measurement technique.
Fabrication of Permalloy thin film strips on SiO2 substrates.
Utilizing the shorted microstrip to measure SRE without simultaneous lithographic patterning.

Main Results:

Successful demonstration of SRE quantification using the shorted microstrip method.
The method simplifies the measurement process by eliminating the need for complex lithography.
Detection of SRE signals from unpatterned Permalloy films (50 nm thick, 5 mm × 10 mm).

Conclusions:

The shorted microstrip method offers a sensitive and simplified approach to SRE quantification.
This technique facilitates the simultaneous determination of anisotropic magnetoresistance, Hall effect, and anomalous Hall effect contributions.
The method's sensitivity allows for SRE detection in relatively large, unpatterned magnetic films.