Coherent electric field manipulation of Fe 3+ spins in PbTiO 3
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- CAESR, Department of Physics, University of Oxford, The Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UK.
- Institute of Physics of the Czech Academy of Sciences, Cukrovarnická 10, 162 00 Prague, Czech Republic.
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA., Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
- Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA.
- Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA., Department of Physics, University of California, Berkeley, CA 94720, USA.
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA., Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA., Department of Physics, University of California, Berkeley, CA 94720, USA.
Magnetoelectrics, materials that exhibit coupling between magnetic and electric degrees of freedom, not only offer a rich environment for studying the fundamental materials physics of spin-charge coupling but also present opportunities for future information technology paradigms. We present results of electric field manipulation of spins in a ferroelectric medium using dilute ferric ion–doped lead titanate as a model system. Combining first-principles calculations and electron paramagnetic resonance (EPR), we show that the ferric ion spins are preferentially aligned perpendicular to the ferroelectric polar axis, which we can manipulate using an electric field. We also demonstrate coherent control of the phase of spin superpositions by applying electric field pulses during time-resolved EPR measurements. Our results suggest a new pathway toward the manipulation of spins for quantum and classical spintronics.
- Research Organization:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); National Science Foundation (NSF); US Air Force Office of Scientific Research (AFOSR); Engineering and Physical Sciences Research Council (EPSRC)
- Grant/Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1768916
- Alternate ID(s):
- OSTI ID: 1798784
- Journal Information:
- Science Advances, Journal Name: Science Advances Vol. 7 Journal Issue: 10; ISSN 2375-2548
- Publisher:
- American Association for the Advancement of Science (AAAS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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