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Title: Exquisite growth control and magnetic properties of yttrium iron garnet thin films

Abstract

A layer-by-layer epitaxial growth up to 227 atomic layers of ferrimagnetic insulator yttrium iron garnet (YIG) thin films is achieved on (110)-oriented gadolinium gallium garnet substrates using pulsed laser deposition. Atomically smooth terraces are observed on YIG films up to 100 nm in thickness. The root-mean-square roughness is as low as 0.067 nm. The easy-axis lies in the film plane, indicating the dominance of shape anisotropy. For (110)-YIG films, there is well-defined two-fold in-plane anisotropy, with the easiest axis directed along [001]. The Gilbert damping constant is determined to be 1.0 × 10 -4 for 100 nm thick films.

Authors:
 [1];  [1];  [1];  [2]; ORCiD logo [3];  [4];  [2];  [4];  [1]
  1. Univ. of California, Riverside, CA (United States). Dept. of Physics and Astronomy
  2. Colorado State Univ., Fort Collins, CO (United States). Dept. of Physics
  3. Centre National de la Recherche Scientifique (CNRS), Palaiseau (France); Univ. Paris-Saclay, Palaiseau (France); Alternative Energies and Atomic Energy Commission (CEA), Palaiseau (France); Ecole Polytechnique, Palaiseau (France). Lab. des Solides Irradies
  4. Univ. of California, Riverside, CA (United States). Dept. of Mechanic Engineering and Materials Science & Engineering Program
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) (SC-22)
OSTI Identifier:
1371197
Alternate Identifier(s):
OSTI ID: 1240761
Grant/Contract Number:  
SC0012670
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 108; Journal Issue: 10; 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 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE; phonons; thermal conductivity; thermoelectric; spin dynamics; spintronics

Citation Formats

Tang, Chi, Aldosary, Mohammed, Jiang, Zilong, Chang, Houchen, Madon, Benjamin, Chan, Kyle, Wu, Mingzhong, Garay, Javier E., and Shi, Jing. Exquisite growth control and magnetic properties of yttrium iron garnet thin films. United States: N. p., 2016. Web. doi:10.1063/1.4943210.
Tang, Chi, Aldosary, Mohammed, Jiang, Zilong, Chang, Houchen, Madon, Benjamin, Chan, Kyle, Wu, Mingzhong, Garay, Javier E., & Shi, Jing. Exquisite growth control and magnetic properties of yttrium iron garnet thin films. United States. doi:10.1063/1.4943210.
Tang, Chi, Aldosary, Mohammed, Jiang, Zilong, Chang, Houchen, Madon, Benjamin, Chan, Kyle, Wu, Mingzhong, Garay, Javier E., and Shi, Jing. Mon . "Exquisite growth control and magnetic properties of yttrium iron garnet thin films". United States. doi:10.1063/1.4943210. https://www.osti.gov/servlets/purl/1371197.
@article{osti_1371197,
title = {Exquisite growth control and magnetic properties of yttrium iron garnet thin films},
author = {Tang, Chi and Aldosary, Mohammed and Jiang, Zilong and Chang, Houchen and Madon, Benjamin and Chan, Kyle and Wu, Mingzhong and Garay, Javier E. and Shi, Jing},
abstractNote = {A layer-by-layer epitaxial growth up to 227 atomic layers of ferrimagnetic insulator yttrium iron garnet (YIG) thin films is achieved on (110)-oriented gadolinium gallium garnet substrates using pulsed laser deposition. Atomically smooth terraces are observed on YIG films up to 100 nm in thickness. The root-mean-square roughness is as low as 0.067 nm. The easy-axis lies in the film plane, indicating the dominance of shape anisotropy. For (110)-YIG films, there is well-defined two-fold in-plane anisotropy, with the easiest axis directed along [001]. The Gilbert damping constant is determined to be 1.0 × 10-4 for 100 nm thick films.},
doi = {10.1063/1.4943210},
journal = {Applied Physics Letters},
number = 10,
volume = 108,
place = {United States},
year = {2016},
month = {3}
}

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