Superparamagnetic Behaviour and Surface Analysis of Fe3O4/PPY/CNT Nanocomposites
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作者:
Rajagukguk, Juniastel
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Univ Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, IndonesiaUniv Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, Indonesia
Rajagukguk, Juniastel
[1
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Simamora, Pintor
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Univ Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, IndonesiaUniv Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, Indonesia
Simamora, Pintor
[1
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Saragih, C. S.
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Univ Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, IndonesiaUniv Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, Indonesia
Saragih, C. S.
[1
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Abdullah, Hairus
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机构:
Univ Prima Indonesia, Dept Ind Engn, Medan, IndonesiaUniv Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, Indonesia
Abdullah, Hairus
[2
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Gultom, Noto Susanto
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Univ Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, IndonesiaUniv Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, Indonesia
Gultom, Noto Susanto
[1
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Imaduddin, Agung
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机构:
Indonesian Inst Sci, Res Ctr Met Mat, Serpong 15310, IndonesiaUniv Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, Indonesia
Imaduddin, Agung
[3
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机构:
[1] Univ Negeri Medan, Fac Math & Nat Sci, Dept Phys, Kabupaten Deli Serdang 20221, Sumatera Utara, Indonesia
[2] Univ Prima Indonesia, Dept Ind Engn, Medan, Indonesia
[3] Indonesian Inst Sci, Res Ctr Met Mat, Serpong 15310, Indonesia
The superparamagnetic property of nanomaterials such as Fe3O4 has been considered to be promising for various applications. In this paper, Fe3O4/PPY/CNT nanocomposites were synthesized with utilizing natural iron sand by a coprecipitation method. The as-precipitated Fe3O4 NPs were combined with carbon nanotubes (CNTs) using conductive polypyrrole (PPY) as linking agents. The Fe3O4/PPY/CNT nanocomposites were systematically characterized by FE-SEM, EDS, XRD, BET, and FTIR. Furthermore, the effects of CNTs on magnetic and thermal properties of nanocomposites were investigated by VSM and thermal gravimetric analysis (TGA), respectively. The composites exhibited significant decrease of coercivity value with the content of CNTs increasing. The VSM result confirmed that Fe3O4/PPY/CNT nanocomposites were superparamagnetic. It was found that by increasing the amounts of CNTs, the magnetization of Fe3O4/PPY/CNT nanocomposites gradually decreased. The addition of CNTs is intended to improve the mesoporous property as proved by BET analysis which has the potential application as a nanocatalyst.
机构:
Univ Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Univ Tennessee, Space Inst, Dept Mech Aerosp & Biomed Engn, Tullahoma, TN 37388 USAUniv Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Hah, H. Y.
Gray, S.
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机构:
Univ Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Univ Tennessee, Space Inst, Dept Mech Aerosp & Biomed Engn, Tullahoma, TN 37388 USAUniv Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Gray, S.
Johnson, C. E.
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Univ Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USAUniv Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Johnson, C. E.
Johnson, J. A.
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机构:
Univ Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Univ Tennessee, Space Inst, Dept Mech Aerosp & Biomed Engn, Tullahoma, TN 37388 USAUniv Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Johnson, J. A.
Kolesnichenko, V
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机构:
Xavier Univ, Dept Chem, New Orleans, LA 70125 USAUniv Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Kolesnichenko, V
Kucheryavy, P.
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机构:
Xavier Univ, Dept Chem, New Orleans, LA 70125 USA
Univ Mississippi, Sch Pharm, Oxford, MS 38677 USAUniv Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
Kucheryavy, P.
Goloverda, G.
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机构:
Xavier Univ, Dept Chem, New Orleans, LA 70125 USAUniv Tennessee, Ctr Laser Applicat, Space Inst, Tullahoma, TN 37388 USA
机构:
Maharaja Sayajirao Univ Baroda, Fac Sci, Dept Phys, Vadodara 390002, Gujarat, IndiaMaharaja Sayajirao Univ Baroda, Fac Sci, Dept Phys, Vadodara 390002, Gujarat, India
Parekh, Kinnari
Upadhyay, Ramesh V.
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机构:
Bhavnagar Univ, Dept Phys, Bhavnagar 364002, Gujarat, IndiaMaharaja Sayajirao Univ Baroda, Fac Sci, Dept Phys, Vadodara 390002, Gujarat, India
Upadhyay, Ramesh V.
Aswal, Vinod K.
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机构:
Bhabha Atom Res Ctr, Div Solid State Phys, Bombay 400085, Maharashtra, IndiaMaharaja Sayajirao Univ Baroda, Fac Sci, Dept Phys, Vadodara 390002, Gujarat, India