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Title: Role of damping in spin Seebeck effect in yttrium iron garnet thin films

Journal Article · · Science Advances

The role of damping in the spin Seebeck effect (SSE) was studied experimentally for the first time. The experiments used Y3Fe5O12 (YIG)/Pt bilayered structures where the YIG films exhibit very similar structural and static magnetic properties but very different damping. The data show that a decrease in the damping gives rise to an increase in the SSE coefficient, which is qualitatively consistent with some of the theoretical models. This response also shows quasi-linear behavior, which was not predicted explicitly by previous studies. The data also indicate that the SSE coefficient shows no notable correlations with the enhanced damping due to spin pumping, which can be understood in the frame of two existing models.

Research Organization:
Univ. of California, Riverside, CA (United States); Energy Frontier Research Centers (EFRC) (United States). Spins and Heat in Nanoscale Electronic Systems (SHINES)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
Grant/Contract Number:
SC0012670
OSTI ID:
1418633
Alternate ID(s):
OSTI ID: 1388920
Journal Information:
Science Advances, Vol. 3, Issue 4; ISSN 2375-2548
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 37 works
Citation information provided by
Web of Science

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Cited By (7)

Anomalous Nernst effect in Ir 22 Mn 78 /Co 20 Fe 60 B 20 /MgO layers with perpendicular magnetic anisotropy journal November 2017
Room-temperature spin-to-charge conversion in sputtered bismuth selenide thin films via spin pumping from yttrium iron garnet journal March 2019
Magnon and phonon thermometry with inelastic light scattering journal February 2018
Ferromagnetic resonance studies of strain tuned Bi:YIG films journal July 2019
Growth optimization and magnetic behavior of cerium substituted Yttrium Iron Garnet (Ce x Y 3-x Fe 5 O 12 ) journal June 2019
Role of gallium diffusion in the formation of a magnetically dead layer at the Y 3 Fe 5 O 12 / Gd 3 Ga 5 O 12 epitaxial interface journal October 2018
Ferromagnetic Resonance Studies of Strain tuned Bi:YIG Films text January 2019

Figures / Tables (4)