Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures–Chiral Organic Molecules Hybrids
We study GaAs/AlGaAs devices hosting a 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 spi...
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| Veröffentlicht in: | The journal of physical chemistry letters 2019-03, Vol.10 (5), p.1139-1145 |
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| container_title | The journal of physical chemistry letters |
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| creator | Smolinsky, Eilam Z. B Neubauer, Avner Kumar, Anup Yochelis, Shira Capua, Eyal Carmieli, Raanan Paltiel, Yossi Naaman, Ron Michaeli, Karen |
| description | We study GaAs/AlGaAs devices hosting a 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 injected into the semiconductor through the chiral molecules. The orientation of the magnetic moment can be manipulated by low gate voltages, with a switching rate in the megahertz range. Thus, our devices implement an efficient, electric field-controlled magnetization, which has long been desired for their technical prospects. |
| doi_str_mv | 10.1021/acs.jpclett.9b00092 |
| format | Article |
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| title | Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures–Chiral Organic Molecules Hybrids |
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