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Son, Jae Sung
Nanomaterials Science and Engineering Lab (NSE)
Research Interests
  • Nanoparticle, 3D printing, Thermoelectrics, Electronics

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Magnet-in-the-Semiconductor Nanomaterials: High Electron Mobility in All-Inorganic Arrays of FePt/CdSe and FePt/CdS Core-Shell Heterostructures

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Title
Magnet-in-the-Semiconductor Nanomaterials: High Electron Mobility in All-Inorganic Arrays of FePt/CdSe and FePt/CdS Core-Shell Heterostructures
Author
Son, Jae SungLee, Jong-SooShevchenko, Elena V.Talapin, Dmitri V.
Keywords
CdSe; core-shell nanostructures; FePt; field-effect transistor; magnetoresistance
Issue Date
2013-06
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF PHYSICAL CHEMISTRY LETTERS, v.4, no.11, pp.1918 - 1923
Abstract
We report a colloidal synthesis and electrical and magnetotransport properties of multifunctional "magnet-in-the-semiconductor" nanostructures composed of FePt core and CdSe or CdS shell. Thin films of all inorganic FePt/CdSe and FePt/CdS core-shell nanostructures capped with In2Se42- molecular chalcogenide (MCC) ligands exhibited n-type charge transport with high field-effect electron mobility of 34 and 0.02 cm(2)/V.s, respectively. These nanostructures also showed a negative magnetoresistance characteristic for spin-dependent tunneling. We discuss the mechanism of charge transport and gating in the arrays of metal/semiconductor core-shell nanostructures.
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DOI
10.1021/jz400612d
ISSN
1948-7185
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MSE_Journal Papers
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