Synthesis, electrical and magnetic properties of polymer coated magnetic nanoparticles for application in MEMS/NEMS

• Autorzy: Javid Muhammad Arshad , Sajjad Muhammad , Ahmad Saeed , Khan Muhammad Azhar Shahid , Nadeem Khalid , Amin Niama , Mehmood Zahid

Identyfikatory

DOI

10.2478/msp-2020-0080

• Języki publikacji: EN

Abstrakty

EN

In this research work, polymer coated magnetic nanoparticles were prepared by co-precipitation method. The samples were characterized by XRD, SEM, EDS, VSM and two probe DC conductivity measurements. XRD pattern indicated the existence of a sole cubic phase of Fe₃O₄ with Miller indices (2 2 0), (3 1 1), (5 1 1), (4 4 0). An average size of magnetic nanoparticles was about 22.9 nm and it was reduced to 21.3 nm and 19.4 nm after 1 wt. %. and 2 wt. % coating of PEG-6000, respectively. The morphology and size of the samples were investigated by scanning electron microscope (SEM). EDX spectra confirmed the coating of PEG on magnetic nanoparticles. Magnetic properties were examined by vibrating sample magnetometer (VSM). Saturation magnetization (Ms) decreased as the concentration of PEG increased in the magnetic material. Electrical properties of uncoated and polymer coated Fe₃O₄ nanoparticles were studied by two-probe conductivity meter. This study concluded that the thermal flow of charge in polymer coated magnetic nanoparticles can be evaluated at micro and nano level.

Słowa kluczowe

EN

magnetic nanoparticles; polyethylene glycol; XRD; X-ray diffraction; SEM; scanning electron microscope; VSM; vibrating sample magnetometer

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2020
• Tom: Vol. 38, No. 4
• Strony: 553--558
• Opis fizyczny: Bibliogr. 38 poz., rys., tab.

Twórcy

autor

Javid Muhammad Arshad

• Department of Basic Sciences (Physics), University of Engineering and Technology, Taxila, 47050, Pakistan

autor

Sajjad Muhammad

• Department of Basic Sciences (Physics), University of Engineering and Technology, Taxila, 47050, Pakistan

autor

Ahmad Saeed

• Department of Physics, The Islamia University of Bahawalpur, 63100, Pakistan

autor

Khan Muhammad Azhar Shahid

• Department of Physics, The Islamia University of Bahawalpur, 63100, Pakistan

autor

Nadeem Khalid

• Department of Physics, University of Gujrat, Gujrat, 50700, Pakistan

autor

Amin Niama

• Department of Physics, CIIT, COMSAT, Lahore, 54750, Pakistan

autor

Mehmood Zahid

• Department of Software Engineering, University of Engineering and Technology, Taxila, 47050, Pakistan

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).