Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures–Chiral Organic Molecules Hybrids
Abstract
Here, we study GaAs/AlGaAs devices hostinga two-dimensional electron gas and coated with a monolayer of chiral organic molecules.We observe clear signatures of room temperature magnetism, which is induced in these systems by applying a gate voltage. We explain this phenomenon as a consequence of the spin-polarized charges that are injectedinto the semiconductor through the chiral molecules. The orientation of the magnetic moment can be manipulated by low gate voltages, with a switching ratein the MHz range. Therefore, our devices implement an efficient, electric field controlled magnetization, which has long been desired for their technical prospects.
- Publication Date:
- Research Org.:
- Univ. of Pittsburgh, PA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; Israel Science Foundation
- OSTI Identifier:
- 1604757
- Grant/Contract Number:
- FG02-07ER46430; 1889/16
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Physical Chemistry Letters
- Additional Journal Information:
- Journal Volume: 10; Journal Issue: 5; Journal ID: ISSN 1948-7185
- Publisher:
- American Chemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Smolinsky, Eilam Z. B., Neubauer, Avner, Kumar, Anup, Yochelis, Shira, Capua, Eyal, Carmieli, Raanan, Paltiel, Yossi, Naaman, Ron, and Michaeli, Karen. Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures–Chiral Organic Molecules Hybrids. United States: N. p., 2019.
Web. doi:10.1021/acs.jpclett.9b00092.
Smolinsky, Eilam Z. B., Neubauer, Avner, Kumar, Anup, Yochelis, Shira, Capua, Eyal, Carmieli, Raanan, Paltiel, Yossi, Naaman, Ron, & Michaeli, Karen. Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures–Chiral Organic Molecules Hybrids. United States. https://doi.org/10.1021/acs.jpclett.9b00092
Smolinsky, Eilam Z. B., Neubauer, Avner, Kumar, Anup, Yochelis, Shira, Capua, Eyal, Carmieli, Raanan, Paltiel, Yossi, Naaman, Ron, and Michaeli, Karen. Wed .
"Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures–Chiral Organic Molecules Hybrids". United States. https://doi.org/10.1021/acs.jpclett.9b00092. https://www.osti.gov/servlets/purl/1604757.
@article{osti_1604757,
title = {Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures–Chiral Organic Molecules Hybrids},
author = {Smolinsky, Eilam Z. B. and Neubauer, Avner and Kumar, Anup and Yochelis, Shira and Capua, Eyal and Carmieli, Raanan and Paltiel, Yossi and Naaman, Ron and Michaeli, Karen},
abstractNote = {Here, we study GaAs/AlGaAs devices hostinga two-dimensional electron gas and coated with a monolayer of chiral organic molecules.We observe clear signatures of room temperature magnetism, which is induced in these systems by applying a gate voltage. We explain this phenomenon as a consequence of the spin-polarized charges that are injectedinto the semiconductor through the chiral molecules. The orientation of the magnetic moment can be manipulated by low gate voltages, with a switching ratein the MHz range. Therefore, our devices implement an efficient, electric field controlled magnetization, which has long been desired for their technical prospects.},
doi = {10.1021/acs.jpclett.9b00092},
journal = {Journal of Physical Chemistry Letters},
number = 5,
volume = 10,
place = {United States},
year = {Wed Feb 20 00:00:00 EST 2019},
month = {Wed Feb 20 00:00:00 EST 2019}
}
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Works referencing / citing this record:
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