(In1-xMnx)As diluted magnetic semiconductor quantum dots with above room temperature ferromagnetic transition

Hee Chang Jeon, Youn Seok Jeong, Tae Won Kang, Taewhan Kim, Kwang Jae Chung, Kwang Jo Chung, Wonhc Jhe, Se Ahn Song

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

The synthesis of a new type of (In1-xMnx)As diluted magnetic semiconductor (DMS) quantum dots (QDs) with a Tc above room temperature using MBE, which is a simple and reproducible method is reported. The measurements showed that the highest Mn content in the (In1-xMnx)As crystalline QDs is 0.16%. The magnetic force microscopy (MFM) at 300 K, and the magnetization curve as a function of the magnetic field at 5 K, indicate that the (In0.84Mn0.16)As QDs are ferromagnetic.

Original languageEnglish
Pages (from-to)1725-1728
Number of pages4
JournalAdvanced Materials
Volume14
Issue number23
DOIs
StatePublished - 2002 Dec 3

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Semiconductor quantum dots
Magnetic force microscopy
Molecular beam epitaxy
Temperature
Magnetization
Magnetic fields
Crystalline materials
Diluted magnetic semiconductors

Cite this

Jeon, Hee Chang ; Jeong, Youn Seok ; Kang, Tae Won ; Kim, Taewhan ; Chung, Kwang Jae ; Chung, Kwang Jo ; Jhe, Wonhc ; Song, Se Ahn. / (In1-xMnx)As diluted magnetic semiconductor quantum dots with above room temperature ferromagnetic transition. In: Advanced Materials. 2002 ; Vol. 14, No. 23. pp. 1725-1728.
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(In1-xMnx)As diluted magnetic semiconductor quantum dots with above room temperature ferromagnetic transition. / Jeon, Hee Chang; Jeong, Youn Seok; Kang, Tae Won; Kim, Taewhan; Chung, Kwang Jae; Chung, Kwang Jo; Jhe, Wonhc; Song, Se Ahn.

In: Advanced Materials, Vol. 14, No. 23, 03.12.2002, p. 1725-1728.

Research output: Contribution to journalArticle

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AU - Jeon, Hee Chang

AU - Jeong, Youn Seok

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AU - Chung, Kwang Jae

AU - Chung, Kwang Jo

AU - Jhe, Wonhc

AU - Song, Se Ahn

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AB - The synthesis of a new type of (In1-xMnx)As diluted magnetic semiconductor (DMS) quantum dots (QDs) with a Tc above room temperature using MBE, which is a simple and reproducible method is reported. The measurements showed that the highest Mn content in the (In1-xMnx)As crystalline QDs is 0.16%. The magnetic force microscopy (MFM) at 300 K, and the magnetization curve as a function of the magnetic field at 5 K, indicate that the (In0.84Mn0.16)As QDs are ferromagnetic.

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