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Title: Temperature dependence of the Dzyaloshinskii-Moriya interaction in Pt/Co/Cu thin film heterostructures

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.5038353· OSTI ID:1540227
ORCiD logo [1];  [2];  [2]
  1. Harvard Univ., Cambridge, MA (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Magnetic materials that exhibit chiral domain walls are of great interest for spintronic devices. In this work, we examine the temperature-dependent behavior of the Dzyaloshinskii-Moriya interaction (DMI) in Pt/Co/Cu thin film heterostructures. We extract the DMI strength, D, from static domain spacing analysis between 300 K and 500 K and compare its temperature dependence to that of the magnetic anisotropy, Ku, and saturation magnetization, Ms. Consistent with expected scaling in thin films, Ms exhibits Bloch-law temperature scaling and Ku scales as Ms2.1±0.1.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0012371
OSTI ID:
1540227
Alternate ID(s):
OSTI ID: 1467769
Journal Information:
Applied Physics Letters, Vol. 113, Issue 9; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 34 works
Citation information provided by
Web of Science

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Cited By (3)

Enhanced interfacial Dzyaloshinskii—Moriya interactions in annealed Pt/Co/MgO structures journal January 2020
Dzyaloshinskii-Moriya interaction and spin-orbit torque at the Ir/Co interface journal April 2019
Measuring interfacial Dzyaloshinskii-Moriya interaction in ultra-thin magnetic films preprint January 2020

Figures / Tables (4)