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Related Experiment Video

Updated: Mar 23, 2026

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

Published on: March 24, 2019

Antiferromagnetic Spin Wave Field-Effect Transistor.

Ran Cheng¹, Matthew W Daniels¹, Jian-Gang Zhu²

¹Department of Physics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213, USA.

Scientific Reports

|April 7, 2016

Summary

This summary is machine-generated.

Antiferromagnetic spin waves offer a new way to process information. Researchers demonstrate electric field control of spin wave polarization for THz signal modulation, paving the way for novel computing technologies.

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Last Updated: Mar 23, 2026

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

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Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors

Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors

Published on: November 7, 2016

Area of Science:

Condensed Matter Physics
Spintronics
Quantum Information

Background:

Spin wave modes in antiferromagnets are typically doubly degenerate due to symmetry.
These degenerate modes offer a unique degree of freedom for information encoding and processing.
Exploiting these modes is crucial for developing advanced spintronic devices.

Purpose of the Study:

To investigate the electric field control of spin wave polarization in collinear antiferromagnets.
To propose and demonstrate a prototype spin wave field-effect transistor.
To explore the application of antiferromagnetic spin waves in THz signal modulation and data processing.

Main Methods:

Theoretical analysis of spin wave degeneracy and polarization.
Utilizing electric field-induced Dzyaloshinskii-Moriya interaction and magnetic anisotropy.
Fabrication and characterization of a prototype spin wave field-effect transistor.

Main Results:

Demonstrated manipulation of spin wave polarization using electric fields.
Achieved a gate-tunable magnonic analog of the Faraday effect.
Successfully applied the device for THz signal modulation.

Conclusions:

Antiferromagnetic spin waves provide a novel platform for information processing.
Electric field control of spin waves enables tunable THz signal modulation.
This research opens possibilities for antiferromagnetic spintronics and mesoscopic optical computing concepts.