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Title: High-quality EuO thin films the easy way via topotactic transformation

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms8716· OSTI ID:1259679
 [1]; ORCiD logo [2];  [3];  [3];  [2];  [3]; ORCiD logo [4]; ORCiD logo [5];  [6];  [7];  [8]
  1. Univ. Augsburg, Augsburg (Germany). Center for Electronic Correlations and Magnetism
  2. Cornell Univ., Ithaca, NY (United States). School of Applied and Engineering Physics
  3. Cornell Univ., Ithaca, NY (United States). Dept. of Materials Science and Engineering
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division
  5. Peter Grunberg Institute, Julich (Germany). JARA-FIT, Research Centre
  6. Cornell Univ., Ithaca, NY (United States). School of Applied and Engineering Physics; Kavli Institute at Cornell for Nanoscale Science, Ithaca, NY (United States)
  7. Cornell Univ., Ithaca, NY (United States). Dept. of Materials Science and Engineering; Kavli Institute at Cornell for Nanoscale Science, Ithaca, NY (United States)
  8. Univ. Augsburg, Augsburg (Germany). Center for Electronic Correlations and Magnetism

Epitaxy is widely employed to create highly oriented crystalline films. A less appreciated, but nonetheless powerful means of creating such films is via topotactic transformation, in which a chemical reaction transforms a single crystal of one phase into a single crystal of a different phase, which inherits its orientation from the original crystal. Topotactic reactions may be applied to epitactic films to substitute, add or remove ions to yield epitactic films of different phases. Here we exploit a topotactic reduction reaction to provide a non-ultra-high vacuum (UHV) means of growing highly oriented single crystalline thin films of the easily over-oxidized half-metallic semiconductor europium monoxide (EuO) with a perfection rivalling that of the best films of the same material grown by molecular-beam epitaxy or UHV pulsed-laser deposition. Lastly, as the technique only requires high-vacuum deposition equipment, it has the potential to drastically improve the accessibility of high-quality single crystalline films of EuO as well as other difficult-to-synthesize compounds.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0002334; DMR-1120296; FA9550-10-1-0123
OSTI ID:
1259679
Journal Information:
Nature Communications, Vol. 6; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 39 works
Citation information provided by
Web of Science

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Cited By (10)

A Novel Strategy to Synthesize Dual Blue Fluorescent-Magnetic EuCl 2 Nanocrystals via One-Pot Method with Controlled Morphologies Using Urea journal July 2018
High-throughput computational discovery of In2Mn2O7 as a high Curie temperature ferromagnetic semiconductor for spintronics journal July 2019
Large positive linear magnetoresistance in the two-dimensional t 2g electron gas at the EuO/SrTiO3 interface journal May 2018
Thermodynamic stability and control of oxygen reactivity at functional oxide interfaces: EuO on ITO journal January 2016
EurOgels: A ferromagnetic semiconductor with a porous structure prepared via the assembly of hybrid nanorods journal January 2018
EuO epitaxy by oxygen scavenging on SrTiO 3 (001): Effect of SrTiO 3 thickness and temperature journal December 2018
Fine structure of metal–insulator transition in EuO resolved by doping engineering journal March 2018
Strain-Induced Increase of Dielectric Constant in EuO Thin Film journal September 2019
Large electronic wave function extension of the oxygen vacancies on EuO 1−x surface journal September 2019
Thermodynamic stability and control of oxygen reactivity at functional oxide interfaces: EuO on ITO text January 2016

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