Related Experiment Video
Updated: Dec 20, 2025
09:06
Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope
Published on: March 24, 2019
8.5K
Tunable magnetic anisotropy in Cr-trihalide Janus monolayers
Rehab Albaridy1, Aurelien Manchon1, Udo Schwingenschlögl1
1Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.
Summary
Researchers engineered Janus Cr-trihalide monolayers, achieving tunable magnetic anisotropy via mechanical strain. This breakthrough allows for precise control over magnetic properties, paving the way for advanced spintronic devices.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Quantum Chemistry
Background:
- Tunable magnetic anisotropy in 2D materials is crucial for spintronics.
- Current 2D materials lack sufficient control over magnetic properties.
- Janus materials offer unique structural and electronic properties.
Purpose of the Study:
- Investigate the effect of mechanical strain on magnetic anisotropy in Janus Cr-trihalide monolayers.
- Explore the potential for strain-induced control of magnetic easy axis orientation.
- Assess the viability of Janus Cr-trihalides for spintronic applications.
Main Methods:
- First-principles calculations were employed.
- Simulations focused on Cr-trihalide monolayers with broken structural inversion symmetry (Janus configuration).
- The impact of biaxial compressive and tensile strain was analyzed.
Main Results:
- Magnetic anisotropy in Janus Cr-trihalides is highly sensitive to mechanical strain.
- Biaxial strain enables control over the magnetic easy axis, switching between in-plane and out-of-plane orientations.
- Compressive strain affects magnetic exchange more significantly than tensile strain.
- Ferromagnetic ordering is maintained within the studied strain range.
Conclusions:
- Janus Cr-trihalides offer a promising platform for mechanically tunable magnetism.
- Strain engineering provides a route to control magnetic anisotropy in 2D materials.
- These findings open avenues for designing next-generation spintronic and multifunctional devices.
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