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Title: Exceptionally high magnetization of stoichiometric Y 3Fe 5O 12 epitaxial films grown on Gd 3Ga 5O 12

Abstract

The saturation magnetization of Y 3Fe 5O 12 (YIG) epitaxial films 4 to 250 nm in thickness has been determined by complementary measurements including the angular and frequency dependencies of the ferromagnetic resonance fields as well as magnetometry measurements. The YIG films exhibit state-of-the-art crystalline quality, proper stoichiometry, and pure Fe 3+ valence state. The values of YIG magnetization obtained from all the techniques significantly exceed previously reported values for single crystal YIG and the theoretical maximum. This enhancement of magnetization, not attributable to off-stoichiometry or other defects in YIG, thus opens opportunities for tuning magnetic properties in epitaxial films of magnetic insulators.

Authors:
 [1];  [1];  [1]; ORCiD logo [2];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [1]; ORCiD logo [1]
  1. The Ohio State Univ., Columbus, OH (United States). Dept. of Physics
  2. The Ohio State Univ., Columbus, OH (United States). Center for Electron Microscopy and Analysis and Dept. of Materials Science and Engineering
Publication Date:
Research Org.:
The Ohio State Univ., Columbus, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
OSTI Identifier:
1467873
Alternate Identifier(s):
OSTI ID: 1294699
Grant/Contract Number:  
FG02-03ER46054; DMR-1507274; DMR-1420451
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 109; Journal Issue: 7; 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; magnetization measurement; magnetic hysteresis; single crystals; thin film growth; saturation moments; microwaves; magnetic films; epitaxy; sputter deposition

Citation Formats

Gallagher, James C., Yang, Angela S., Brangham, Jack T., Esser, Bryan D., White, Shane P., Page, Michael R., Meng, Keng-Yuan, Yu, Sisheng, Adur, Rohan, Ruane, William, Dunsiger, Sarah R., McComb, David W., Yang, Fengyuan, and Hammel, P. Chris. Exceptionally high magnetization of stoichiometric Y3Fe5O12 epitaxial films grown on Gd3Ga5O12. United States: N. p., 2016. Web. doi:10.1063/1.4961371.
Gallagher, James C., Yang, Angela S., Brangham, Jack T., Esser, Bryan D., White, Shane P., Page, Michael R., Meng, Keng-Yuan, Yu, Sisheng, Adur, Rohan, Ruane, William, Dunsiger, Sarah R., McComb, David W., Yang, Fengyuan, & Hammel, P. Chris. Exceptionally high magnetization of stoichiometric Y3Fe5O12 epitaxial films grown on Gd3Ga5O12. United States. doi:10.1063/1.4961371.
Gallagher, James C., Yang, Angela S., Brangham, Jack T., Esser, Bryan D., White, Shane P., Page, Michael R., Meng, Keng-Yuan, Yu, Sisheng, Adur, Rohan, Ruane, William, Dunsiger, Sarah R., McComb, David W., Yang, Fengyuan, and Hammel, P. Chris. Mon . "Exceptionally high magnetization of stoichiometric Y3Fe5O12 epitaxial films grown on Gd3Ga5O12". United States. doi:10.1063/1.4961371. https://www.osti.gov/servlets/purl/1467873.
@article{osti_1467873,
title = {Exceptionally high magnetization of stoichiometric Y3Fe5O12 epitaxial films grown on Gd3Ga5O12},
author = {Gallagher, James C. and Yang, Angela S. and Brangham, Jack T. and Esser, Bryan D. and White, Shane P. and Page, Michael R. and Meng, Keng-Yuan and Yu, Sisheng and Adur, Rohan and Ruane, William and Dunsiger, Sarah R. and McComb, David W. and Yang, Fengyuan and Hammel, P. Chris},
abstractNote = {The saturation magnetization of Y3Fe5O12 (YIG) epitaxial films 4 to 250 nm in thickness has been determined by complementary measurements including the angular and frequency dependencies of the ferromagnetic resonance fields as well as magnetometry measurements. The YIG films exhibit state-of-the-art crystalline quality, proper stoichiometry, and pure Fe3+ valence state. The values of YIG magnetization obtained from all the techniques significantly exceed previously reported values for single crystal YIG and the theoretical maximum. This enhancement of magnetization, not attributable to off-stoichiometry or other defects in YIG, thus opens opportunities for tuning magnetic properties in epitaxial films of magnetic insulators.},
doi = {10.1063/1.4961371},
journal = {Applied Physics Letters},
number = 7,
volume = 109,
place = {United States},
year = {2016},
month = {8}
}

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    Interfacial Origin of the Magnetisation Suppression of Thin Film Yttrium Iron Garnet
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