Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures-Chiral Organic Molecules Hybrids

Eilam Z.B. Smolinsky; Avner Neubauer; Anup Kumar; Shira Yochelis; Eyal Capua; Raanan Carmieli; Yossi Paltiel; Ron Naaman; Karen Michaeli

doi:10.1021/acs.jpclett.9b00092

Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures-Chiral Organic Molecules Hybrids

Eilam Z.B. Smolinsky, Avner Neubauer, Anup Kumar, Shira Yochelis, Eyal Capua, Raanan Carmieli, Yossi Paltiel, Ron Naaman^*, Karen Michaeli

^*Corresponding author for this work

Department of Applied Physics

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

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 roomerature 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.

Original language	American English
Pages (from-to)	1139-1145
Number of pages	7
Journal	Journal of Physical Chemistry Letters
Volume	10
Issue number	5
DOIs	https://doi.org/10.1021/acs.jpclett.9b00092
State	Published - 7 Mar 2019

Bibliographical note

Funding Information:
Y.P. and R.N. acknowledge the partial support of the Volkswagen Foundation, the Israel Ministry of Science, and the John Templeton Foundation; K.M. acknowledges the support of the Israel Science Foundation Grant No. 1889/16.

Publisher Copyright:
© 2019 American Chemical Society.

Access to Document

10.1021/acs.jpclett.9b00092

Cite this

@article{b428ffc318174ee3aac92d033a9db97b,

title = "Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures-Chiral Organic Molecules Hybrids",

abstract = "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 roomerature 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.",

author = "Smolinsky, {Eilam Z.B.} and Avner Neubauer and Anup Kumar and Shira Yochelis and Eyal Capua and Raanan Carmieli and Yossi Paltiel and Ron Naaman and Karen Michaeli",

note = "Funding Information: Y.P. and R.N. acknowledge the partial support of the Volkswagen Foundation, the Israel Ministry of Science, and the John Templeton Foundation; K.M. acknowledges the support of the Israel Science Foundation Grant No. 1889/16. Publisher Copyright: {\textcopyright} 2019 American Chemical Society.",

year = "2019",

month = mar,

day = "7",

doi = "10.1021/acs.jpclett.9b00092",

language = "American English",

volume = "10",

pages = "1139--1145",

journal = "Journal of Physical Chemistry Letters",

issn = "1948-7185",

publisher = "American Chemical Society",

number = "5",

}

TY - JOUR

T1 - Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures-Chiral Organic Molecules Hybrids

AU - Smolinsky, Eilam Z.B.

AU - Neubauer, Avner

AU - Kumar, Anup

AU - Yochelis, Shira

AU - Capua, Eyal

AU - Carmieli, Raanan

AU - Paltiel, Yossi

AU - Naaman, Ron

AU - Michaeli, Karen

N1 - Funding Information: Y.P. and R.N. acknowledge the partial support of the Volkswagen Foundation, the Israel Ministry of Science, and the John Templeton Foundation; K.M. acknowledges the support of the Israel Science Foundation Grant No. 1889/16. Publisher Copyright: © 2019 American Chemical Society.

PY - 2019/3/7

Y1 - 2019/3/7

N2 - 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 roomerature 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.

AB - 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 roomerature 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.

UR - http://www.scopus.com/inward/record.url?scp=85062551705&partnerID=8YFLogxK

U2 - 10.1021/acs.jpclett.9b00092

DO - 10.1021/acs.jpclett.9b00092

M3 - Article

C2 - 30785758

AN - SCOPUS:85062551705

SN - 1948-7185

VL - 10

SP - 1139

EP - 1145

JO - Journal of Physical Chemistry Letters

JF - Journal of Physical Chemistry Letters

IS - 5

ER -

Electric Field-Controlled Magnetization in GaAs/AlGaAs Heterostructures-Chiral Organic Molecules Hybrids

Abstract

Bibliographical note

Access to Document

Other files and links

Fingerprint

Cite this