Accession Number:

AD1100303

Title:

Magnetic Order Multilayering in FeRh Thin Films by He-Ion Irradiation

Descriptive Note:

Journal Article - Open Access

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC WASHINGTON United States

Personal Author(s):

• Bennett,S. P.
• Cress,C. D.
• Mazin,I. I.
• Herklotz,A.
• Levlev,A.
• Rouleau,C. M.
• Lauter,V.

Report Date:

2017-11-15

Pagination or Media Count:

8.0

Abstract:

The heterointerfacing of different materials with competing magnetic orders forms the basis for todays spintronic devices, however materials compatibility has remained a major limitation to the conception of new multilayered systems. Here, we uncover a multilayer of competing magnetic orders within a single layer of FeRh after low-energy He-ion irradiation metamagnetic, ferromagnetic, and spin glass. Polarized neutron reflectometry, irradiation modeling, and density functional theory calculations reveal a direct correlation between the disorder concentration, the depth-dependent magnetic ordering, and the onset of the metamagnetic transition. Such a heterostructure opens the door to new paradigms in antiferromagnetic electronics and ultra-low-power magnetization controllability

Descriptors:

• thin films
• phase transformations
• spintronics
• annealing
• doping
• magnetometers
• ion implantation
• x ray diffraction
• transition temperature
• density functional theory
• structural properties

Subject Categories:

• Physical Chemistry

Distribution Statement:

APPROVED FOR PUBLIC RELEASE