Synthesis and properties of Cd1-xMnxS diluted magnetic semiconductor ultrafine particles

R. J. Bandaranayake; J. Y. Lin; H. X. Jiang; C. M. Sorensen

doi:10.1016/S0304-8853(96)00746-9

Synthesis and properties of Cd_1-xMn_xS diluted magnetic semiconductor ultrafine particles

R. J. Bandaranayake, J. Y. Lin, H. X. Jiang, C. M. Sorensen

Electrical and Computer Engineering

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

28 Scopus citations

Abstract

Cd_1-xMn_xS diluted magnetic semiconductor ultrafine particles with sizes in the range 20 to ≃ 1200 Å and 0 ≤ × ≤ 0.5 have been synthesized by using aqueous solution precipitation. We find that size has a significant effect on the magnetic spin-glass (SG) properties of these systems. The SG freezing temperature T_f decreases with size, and there is a minimum size below which the SG does not form. The field dependence of T_f and the relaxation of the isothermal remanent magnetization are also significantly different than in the bulk.

Original language	English
Pages (from-to)	289-302
Number of pages	14
Journal	Journal of Magnetism and Magnetic Materials
Volume	169
Issue number	3
DOIs	https://doi.org/10.1016/S0304-8853(96)00746-9
State	Published - May 1997

Keywords

Diluted magnetic semiconductor
Spin-glass properties
Ultrafine particles

Access to Document

10.1016/S0304-8853(96)00746-9

Cite this

@article{bf7ddf42f522406da716f82114748d16,

title = "Synthesis and properties of Cd1-xMnxS diluted magnetic semiconductor ultrafine particles",

abstract = "Cd1-xMnxS diluted magnetic semiconductor ultrafine particles with sizes in the range 20 to ≃ 1200 {\AA} and 0 ≤ × ≤ 0.5 have been synthesized by using aqueous solution precipitation. We find that size has a significant effect on the magnetic spin-glass (SG) properties of these systems. The SG freezing temperature Tf decreases with size, and there is a minimum size below which the SG does not form. The field dependence of Tf and the relaxation of the isothermal remanent magnetization are also significantly different than in the bulk.",

keywords = "Diluted magnetic semiconductor, Spin-glass properties, Ultrafine particles",

author = "Bandaranayake, {R. J.} and Lin, {J. Y.} and Jiang, {H. X.} and Sorensen, {C. M.}",

note = "Funding Information: The authors would like to thank professors M. O{\textquoteright}Shea and G. Wysin for helpful discussion, and M. Smith, J.Z. Li, J.P. Chen, P. Perera, and G.W. Wen for experimental insights. This work is supported by NSF grant OSR 92-55223.",

year = "1997",

month = may,

doi = "10.1016/S0304-8853(96)00746-9",

language = "English",

volume = "169",

pages = "289--302",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

number = "3",

}

TY - JOUR

T1 - Synthesis and properties of Cd1-xMnxS diluted magnetic semiconductor ultrafine particles

AU - Bandaranayake, R. J.

AU - Lin, J. Y.

AU - Jiang, H. X.

AU - Sorensen, C. M.

N1 - Funding Information: The authors would like to thank professors M. O’Shea and G. Wysin for helpful discussion, and M. Smith, J.Z. Li, J.P. Chen, P. Perera, and G.W. Wen for experimental insights. This work is supported by NSF grant OSR 92-55223.

PY - 1997/5

Y1 - 1997/5

N2 - Cd1-xMnxS diluted magnetic semiconductor ultrafine particles with sizes in the range 20 to ≃ 1200 Å and 0 ≤ × ≤ 0.5 have been synthesized by using aqueous solution precipitation. We find that size has a significant effect on the magnetic spin-glass (SG) properties of these systems. The SG freezing temperature Tf decreases with size, and there is a minimum size below which the SG does not form. The field dependence of Tf and the relaxation of the isothermal remanent magnetization are also significantly different than in the bulk.

AB - Cd1-xMnxS diluted magnetic semiconductor ultrafine particles with sizes in the range 20 to ≃ 1200 Å and 0 ≤ × ≤ 0.5 have been synthesized by using aqueous solution precipitation. We find that size has a significant effect on the magnetic spin-glass (SG) properties of these systems. The SG freezing temperature Tf decreases with size, and there is a minimum size below which the SG does not form. The field dependence of Tf and the relaxation of the isothermal remanent magnetization are also significantly different than in the bulk.

KW - Diluted magnetic semiconductor

KW - Spin-glass properties

KW - Ultrafine particles

UR - http://www.scopus.com/inward/record.url?scp=0031146770&partnerID=8YFLogxK

U2 - 10.1016/S0304-8853(96)00746-9

DO - 10.1016/S0304-8853(96)00746-9

M3 - Article

AN - SCOPUS:0031146770

SN - 0304-8853

VL - 169

SP - 289

EP - 302

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

IS - 3

ER -

Synthesis and properties of Cd_1-xMn_xS diluted magnetic semiconductor ultrafine particles

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this