Metal-encapsulation of ferromagnetic nanoparticles

Su Chul Yang, Cheol Woo Ahn, Chee Sung Park, Yaodong Yang, Dwight Viehland, Shashank Priya

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this study, we report the synthesis of nickel (Ni) encapsulated manganese ferrite (MnFe2O4) core-particles via ionic interaction. The thickness of Ni shell was optimized by controlling pH, reaction time, and concentration of Ni precursor solutions. Ni ions were encapsulated onto negatively-charged MnFe2O4 core particles at pH > 8. Optimum Ni encapsulation was found to occur at pH of 10, reaction time of 10 min, and concentration of 0.12 M aqueous soultion of Ni. High resolution transmission electron microscopy, energy dispersive spectroscopy, and magnetic force microscopy were used to confirm the phase and structure of the Ni-encapsulated MnFe2O4 particles.

Original languageEnglish (US)
Title of host publicationAdvances in Electroceramic Materials II
Pages125-134
Number of pages10
StatePublished - Nov 15 2010
EventAdvances in Electroceramic Materials II - 2009 Material Science and Technology Conference, MS and T'09 - Pittsburgh, PA, United States
Duration: Oct 25 2009Oct 29 2009

Publication series

NameCeramic Transactions
Volume221
ISSN (Print)1042-1122

Other

OtherAdvances in Electroceramic Materials II - 2009 Material Science and Technology Conference, MS and T'09
CountryUnited States
CityPittsburgh, PA
Period10/25/0910/29/09

Fingerprint

Nickel
Encapsulation
Metals
Nanoparticles
Magnetic force microscopy
High resolution transmission electron microscopy
Manganese
Ferrite
Energy dispersive spectroscopy
Ions
manganese ferrite

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Yang, S. C., Ahn, C. W., Park, C. S., Yang, Y., Viehland, D., & Priya, S. (2010). Metal-encapsulation of ferromagnetic nanoparticles. In Advances in Electroceramic Materials II (pp. 125-134). (Ceramic Transactions; Vol. 221).
Yang, Su Chul ; Ahn, Cheol Woo ; Park, Chee Sung ; Yang, Yaodong ; Viehland, Dwight ; Priya, Shashank. / Metal-encapsulation of ferromagnetic nanoparticles. Advances in Electroceramic Materials II. 2010. pp. 125-134 (Ceramic Transactions).
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Yang, SC, Ahn, CW, Park, CS, Yang, Y, Viehland, D & Priya, S 2010, Metal-encapsulation of ferromagnetic nanoparticles. in Advances in Electroceramic Materials II. Ceramic Transactions, vol. 221, pp. 125-134, Advances in Electroceramic Materials II - 2009 Material Science and Technology Conference, MS and T'09, Pittsburgh, PA, United States, 10/25/09.

Metal-encapsulation of ferromagnetic nanoparticles. / Yang, Su Chul; Ahn, Cheol Woo; Park, Chee Sung; Yang, Yaodong; Viehland, Dwight; Priya, Shashank.

Advances in Electroceramic Materials II. 2010. p. 125-134 (Ceramic Transactions; Vol. 221).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - In this study, we report the synthesis of nickel (Ni) encapsulated manganese ferrite (MnFe2O4) core-particles via ionic interaction. The thickness of Ni shell was optimized by controlling pH, reaction time, and concentration of Ni precursor solutions. Ni ions were encapsulated onto negatively-charged MnFe2O4 core particles at pH > 8. Optimum Ni encapsulation was found to occur at pH of 10, reaction time of 10 min, and concentration of 0.12 M aqueous soultion of Ni. High resolution transmission electron microscopy, energy dispersive spectroscopy, and magnetic force microscopy were used to confirm the phase and structure of the Ni-encapsulated MnFe2O4 particles.

AB - In this study, we report the synthesis of nickel (Ni) encapsulated manganese ferrite (MnFe2O4) core-particles via ionic interaction. The thickness of Ni shell was optimized by controlling pH, reaction time, and concentration of Ni precursor solutions. Ni ions were encapsulated onto negatively-charged MnFe2O4 core particles at pH > 8. Optimum Ni encapsulation was found to occur at pH of 10, reaction time of 10 min, and concentration of 0.12 M aqueous soultion of Ni. High resolution transmission electron microscopy, energy dispersive spectroscopy, and magnetic force microscopy were used to confirm the phase and structure of the Ni-encapsulated MnFe2O4 particles.

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Yang SC, Ahn CW, Park CS, Yang Y, Viehland D, Priya S. Metal-encapsulation of ferromagnetic nanoparticles. In Advances in Electroceramic Materials II. 2010. p. 125-134. (Ceramic Transactions).