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All Journal Journal of Aceh Physics Society Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Spektra: Jurnal Fisika dan Aplikasinya Journal of Technomaterial Physics PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL)
Tua Raja Simbolon
Departemen Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Sumatera Utara Jalan Bioteknologi No.1 Kampus USU, Medan, 20155
Aerospace Engineering Astronomy Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Other

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Journal : Journal of Aceh Physics Society

 1 
Characteristic of microstructure and magnetic properties in LaFeO3 using co-precipitation method Tua Raja Simbolon; Muhammadin Hamid; Martha Rianna; Yoga Pratama; Timbangen Sembiring; Junedi Ginting; Achmad Maulana Soehada Sebayang; Eko Arief Setiadi; Anggito P. Tetuko; Perdamean Sebayang
Journal of Aceh Physics Society Volume 11, Number 2, April 2022
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v11i2.23691

Abstract

Abstrak. Perkembangan penelitian material ferit memiliki karakteristik mikrostruktur dan sifat magnetik yang berbeda-beda. Karakteristik mikrostruktur dan sifat magnetik dari Fe3O4 dan LaFeO3 telah berhasil dilakukan menggunakan metode ko-presipitasi lanthanum klorida dan pasir besi alam digunakan sebagai prekursor untuk preparasi sintesis nanopartikel Fe3O4 LaFeO3. Rasio molar antara lanthanum klorida dan pasir besi alam adalah 1:1, dan tanpa lanthanium. Karakterisasi sampel menggunakan XRD, SEM dan VSM. Hasil XRD menunjukkan bahwa kedua sampel telah memiliki fase tunggal tanpa pengotor kristal seperti La2O3 atau Fe2O3. Hasil morfologi SEM menunjukkan bahwa Fe3O4 dan LaFeO3 memiliki ukuran partikel yang random. Histogram distribusi sebaran partikel untuk kedua sampel ini menunjukkan range 50-300 nm. Sifat magnetik dari sampel Fe3O4 memiliki Ms= 20 emu/g, Mr= 9 emu/g dan H= 400 Oe, sedangkan sifat magnetik LaFeO3 yaitu Ms= 10 emu/g, Mr= 8 emu/g dan H= 410 Oe. Hasil mikrostruktur dan sifat magnetik dalam penelitian ini dapat mendukung dalam pembuatan magnet permanen.  Abstract. The development of research on ferrite materials has different microstructural characteristics and magnetic properties. The microstructural characteristics and properties of Fe3O4 and LaFeO3 have been successfully carried out using the co-precipitation method. Lanthanum chloride and natural iron sand were used as precursors for the preparation of the synthesis of Fe3O4 LaFeO3 nanoparticles. The molar ratio between lanthanum chloride and natural iron sand is 1:1, and without lanthanium. Sample characterization using XRD, SEM and VSM. The XRD results show that the second sample already has a single phase without crystal impurities such as La2O3 or Fe2O3. SEM morphology results show that Fe3O4 and LaFeO3 have random particle sizes. Histograms of particle distribution distribution for these two samples show the range of 50-300 nm. The nature of the sample Fe3O4 has Ms= 20 emu/g, Mr= 9 emu/g and H= 400 Oe, while the specific properties of LaFeO3 are Ms= 10 emu/g, Mr= 8 emu/g and H= 410 Oe. The results of the microstructure and magnetic properties in this study can support the manufacture of permanent magnets
Preparation and characterization of ZnFe2O4 on the microstructures and magnetic properties Tua Raja Simbolon; Timbangan Sembiring; Muhammadin Hamid; David Arianto Hutajulu; Martha Rianna; Achmad Maulana Soehada Sebayang; Anggito P Tetuko; Eko Arief Setiadi; Masno Ginting; Perdamean Sebayang
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.18710

Abstract

Abstrak. Telah berhasil dilakukan sintesis ZnFe2O4 menggunakan metode sol-gel. ZnO dan serbuk Fe3O4 dicampur dan dipanaskan menggunakan hotplate pada suhu 60oC selama satu jam. Efek dari doping ZnO pada mikrostruktur, morfologi dan sifat magnet dikarakterisasi menggunakan XRD, SEM dan VSM. Hasil dari XRD dan SEM mengkonfirmasi bahwa struktur ZnFe2O4 spinel ferit menunjukkan kristal rata-rata 1 μm. Kemudian sifat kemagnetan ZnFe2O4 yang dikonfirmasi bersifat paramagnetik dengan kondisi optimum dari sifat kemagnetan tersebut tercantum sebagai berikut: Ms 0.4 emu×g-1, Mr 0.2 emu×g-1, dan Hc 230 Oe.Abstract. ZnFe2O4 have been synthesized using sol-gel method. ZnO, and Fe3O4 powder was mixing with hotplate for one hour in 60oC. Effect of ZnO doped on microstructure, morphology and magnetic properties were investigated using XRD, SEM and VSM. The result of XRD and SEM confirmed that the ZnFe2O4 structure of spinel ferrite has average crystal of 1 μm. The magnetic properties of ZnFe2O4 confirmed paramagnetic with the optimum condition of the magnetic properties are listed in the following: Ms 0.4 emu×g-1, Mr 0.2 emu×g-1, and Hc 230 Oe.Keywords: ZnFe2O4, Sol-gel method, Microstructures, Magnetic Properties.
Co-Authors Achmad Maulana Soehada Sebayang Anggito P Tetuko Anggito P. Tetuko Berthianna Nurcresia David Arianto Hutajulu Eko Arief Setiadi Eko Arief Setiadi Herli Ginting Johny Setiawan Junedi Ginting Lu'lu Rihhadhatul Aisy Manis Sembiring Martha Rianna Masno Ginting Muhammadin Hamid Muhammadin Hamid Muljadi Muljadi Perdamean Sebayang Perdamean Sebayang Prijo Sardjono Russell Ong Syahrul Humaidi Timbangan Sembiring Timbangen Sembiring Widya Nazri Afrida William William Yoga Pratama