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Title: Sputtering growth of Y3Fe5O12/Pt bilayers and spin transfer at Y3Fe5O12/Pt interfaces

Abstract

For the majority of previous work on Y3Fe5O12 (YIG)/normal metal (NM) bi-layered structures, the YIG layers were grown on Gd3Ga5O12 first and were then capped by an NM layer. This work demonstrates the sputtering growth of a Pt/YIG structure where the Pt layer was grown first and the YIG layer was then deposited on the top. The YIG layer shows well-oriented (111) texture, a surface roughness of 0.15 nm, and an effective Gilbert damping constant less than 4.7 × 10-4, and the YIG/Pt interface allows for efficient spin transfers. This demonstration indicates the feasibility of fabricating high-quality NM/YIG/NM tri-layered structures for new physics studies.

Authors:
 [1];  [1];  [2];  [1];  [2];  [1]
  1. Colorado State Univ., Fort Collins, CO (United States)
  2. Univ. of Minnesota, Minneapolis, MN (United States)
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Spins and Heat in Nanoscale Electronic Systems (SHINES)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1470130
Alternate Identifier(s):
OSTI ID: 1411107
Grant/Contract Number:  
SC0012670
Resource Type:
Accepted Manuscript
Journal Name:
APL Materials
Additional Journal Information:
Journal Volume: 5; Journal Issue: 12; Related Information: SHINES partners with University of California, Riverside (lead); Arizona State University; Colorado State University; Johns Hopkins University; University of California Irvine; University of California Los Angeles; University of Texas at Austin; Journal ID: ISSN 2166-532X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; phonons; thermal conductivity; thermoelectric; spin dynamics; spintronics

Citation Formats

Chang, Houchen, Liu, Tao, Reifsnyder Hickey, Danielle, Janantha, P. A. Praveen, Mkhoyan, K. Andre, and Wu, Mingzhong. Sputtering growth of Y3Fe5O12/Pt bilayers and spin transfer at Y3Fe5O12/Pt interfaces. United States: N. p., 2017. Web. doi:10.1063/1.5013626.
Chang, Houchen, Liu, Tao, Reifsnyder Hickey, Danielle, Janantha, P. A. Praveen, Mkhoyan, K. Andre, & Wu, Mingzhong. Sputtering growth of Y3Fe5O12/Pt bilayers and spin transfer at Y3Fe5O12/Pt interfaces. United States. doi:10.1063/1.5013626.
Chang, Houchen, Liu, Tao, Reifsnyder Hickey, Danielle, Janantha, P. A. Praveen, Mkhoyan, K. Andre, and Wu, Mingzhong. Mon . "Sputtering growth of Y3Fe5O12/Pt bilayers and spin transfer at Y3Fe5O12/Pt interfaces". United States. doi:10.1063/1.5013626. https://www.osti.gov/servlets/purl/1470130.
@article{osti_1470130,
title = {Sputtering growth of Y3Fe5O12/Pt bilayers and spin transfer at Y3Fe5O12/Pt interfaces},
author = {Chang, Houchen and Liu, Tao and Reifsnyder Hickey, Danielle and Janantha, P. A. Praveen and Mkhoyan, K. Andre and Wu, Mingzhong},
abstractNote = {For the majority of previous work on Y3Fe5O12 (YIG)/normal metal (NM) bi-layered structures, the YIG layers were grown on Gd3Ga5O12 first and were then capped by an NM layer. This work demonstrates the sputtering growth of a Pt/YIG structure where the Pt layer was grown first and the YIG layer was then deposited on the top. The YIG layer shows well-oriented (111) texture, a surface roughness of 0.15 nm, and an effective Gilbert damping constant less than 4.7 × 10-4, and the YIG/Pt interface allows for efficient spin transfers. This demonstration indicates the feasibility of fabricating high-quality NM/YIG/NM tri-layered structures for new physics studies.},
doi = {10.1063/1.5013626},
journal = {APL Materials},
number = 12,
volume = 5,
place = {United States},
year = {2017},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 2 works
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Figures / Tables:

FIG. 1. FIG. 1. : Structural and morphologic properties of YIG(58 nm)/Pt(14 nm)/GGG(0.5 mm). (a) HAADF-STEM cross-sectional image. (b) HAADF-STEM cross-sectional image with a scale 10 times bigger than that in (a). (c) AFM surface image. (d) XRD spectrum.

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.