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Mutual Ferromagnetic-Ferroelectric Coupling in Multiferroic Copper-Doped ZnO

Journal Article · · Advanced Materials
 [1];  [2];  [3];  [2];  [2];  [4];  [2];  [5];  [5];  [6];  [4];  [2];  [2];  [2];  [3];  [2];  [2]
  1. National Univ. of Singapore (Singapore); University of Illinois
  2. National Univ. of Singapore (Singapore)
  3. National Univ. of Singapore (Singapore); National Univ. of Singapore (Singapore). Singapore Synchrotron Light Source
  4. Institute of Materials Research and Engineering (IMRE) (Singapore)
  5. Univ. of Illinois at Urbana-Champaign, IL (United States). Frederick Seitz Materials Research Lab. (FS-MRL)
  6. Brookhaven National Laboratory (BNL), Upton, NY (United States). National Synchrotron Light Source (NSLS)
A mutual ferromagnetic and ferroelectric coupling (multiferroic behavior) in Cu-doped ZnO is demonstrated via deterministic control of Cu doping and defect engineering. The coexistence of multivalence Cu ions and oxygen vacancies is important to multiferroic behaviors in ZnO:Cu. The samples show clear ferroelectric and ferromagnetic domain patterns. These domain structures may be written reversibly via electric and magnetic bias.
Research Organization:
Univ. of Illinois at Urbana-Champaign, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Ministry of Education Singapore
DOE Contract Number:
FG02-06ER46285; AC02-98CH10886
OSTI ID:
1958854
Journal Information:
Advanced Materials, Journal Name: Advanced Materials Journal Issue: 14 Vol. 23; ISSN 0935-9648
Publisher:
Wiley
Country of Publication:
United States
Language:
English

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Cited By (6)

Enhanced room temperature ferromagnetism and green photoluminescence in Cu doped ZnO thin film synthesised by neutral beam sputtering journal April 2019
Spatially Correlated, Single Nanomaterial-Level Structural and Optical Profiling of Cu-Doped ZnO Nanorods Synthesized via Multifunctional Silicides journal April 2018
Probing the magnetic profile of diluted magnetic semiconductors using polarized neutron reflectivity journal July 2017
Investigation of the non-volatile resistance change in noncentrosymmetric compounds journal August 2012
Magnetic switching of ferroelectric domains at room temperature in multiferroic PZTFT journal February 2013
Reversible Tuning of Ferromagnetism and Resistive Switching in ZnO/Cu Thin Films journal December 2017

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