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

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4943210· OSTI ID:22591414
; ; ;  [1]; ;  [2];  [3]; ;  [4]
  1. Department of Physics and Astronomy, University of California, Riverside, California 92521 (United States)
  2. Department of Physics, Colorado State University, Fort Collins, Colorado 80523 (United States)
  3. Laboratoire des Solides Irradiés, Ecole Polytechnique, CNRS, CEA, Université Paris-Saclay, F 91128 Palaiseau (France)
  4. Department of Mechanic Engineering and Materials Science & Engineering Program, University of California, Riverside, California 92521 (United States)

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{sup −4} for 100 nm thick films.

OSTI ID:
22591414
Journal Information:
Applied Physics Letters, Vol. 108, Issue 10; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
Country of Publication:
United States
Language:
English

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Dirac Cone Spin Polarization of Graphene by Magnetic Insulator Proximity Effect Probed with Outermost Surface Spin Spectroscopy journal April 2018
Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt journal January 2018
Three port logic gate using forward volume spin wave interference in a thin yttrium iron garnet film journal November 2019
Stress-induced magnetic properties of PLD-grown high-quality ultrathin YIG films journal May 2018
Fabrication of yttrium–iron–garnet/Pt multilayers for the longitudinal spin Seebeck effect journal December 2018
Characterization of YIG thin films and vacuum annealing effect by polarized neutron reflectometry and magnetotransport measurements journal October 2019
An integrated approach to doped thin films with strain-tunable magnetic anisotropy: powder synthesis, target preparation and pulsed laser deposition of Bi:YIG journal July 2016
Tailoring coupling between light and spin waves with dual photonic–magnonic resonant layered structures journal December 2018
Damping Enhancement in Coherent Ferrite–Insulating-Paramagnet Bilayers journal November 2019
Magnon contribution to unidirectional spin Hall magnetoresistance in ferromagnetic-insulator/heavy-metal bilayers journal February 2019
Role of damping in spin Seebeck effect in yttrium iron garnet thin films journal April 2017
Increased low-temperature damping in yttrium iron garnet thin films text January 2016