dc.contributor.advisor | Humaidi, Syahrul | |
dc.contributor.advisor | Darsono, Nono | |
dc.contributor.author | Lubis, Eka Feby Ronauli | |
dc.date.accessioned | 2021-08-02T02:48:01Z | |
dc.date.available | 2021-08-02T02:48:01Z | |
dc.date.issued | 2021 | |
dc.identifier.uri | http://repositori.usu.ac.id/handle/123456789/38691 | |
dc.description.abstract | This study aims to observe the effect of adding dopant Al2O3 and MgO to the critical temperature of superconductors Bi1,6Pb0,4Sr2Ca2Cu3O10+δ. The BPSCCO sample was prepared by the sol-gel method using a nitrate-based powder and then added with Magnesium Oxide and Aluminum Oxide nanoparticles. The sample sintering process was carried out in a furnace at a 840 °C for 60 hours. Phase structure and morphology was examined by X-Ray Diffraction (XRD) and Scanning Electron Microscope (SEM). Value determination of critical onset temperature (Tc-onset), and critical offset temperature (Tc-offset) using cryogenic magnets. XRD characterization showed, the Bi-2212 phase was still dominant for all samples. The results of SEM characterization showed that the morphology of the BPSCCO superconductor was in the form of a layered plate. Based on the analysis of the resistivity result, the best Tc-onset value was found in the sample without addition, which was 119.16 K dan Tc-offset 110.75 K | en_US |
dc.description.abstract | Penelitian ini bertujuan untuk melihat pengaruh penambahan dopan Al2O3 dan MgO terhadap suhu kritis superkonduktor Bi1,6Pb0,4Sr2Ca2Cu3O10+δ. Sampel BPSCCO dipreparasi dengan metode sol-gel dengan menggunakan bubuk yang berbasis nitrat dan kemudian diberikan penambahan nanopartikel Magnesium Oxide dan Aluminium Oxide. Proses sintering sampel dilakukan di dalam tungku pada suhu konstan 840 °C selama 60 jam. Pengamatan struktur fase dan Morfologi dilakukan masing-masing dengan menggunakan X-Ray Diffraction (XRD) dan Scanning Electron Microscope (SEM). Penentuan nilai suhu onset kritis (Tc-onset), dan suhu offset kritis (Tc-offset) menggunakan cryogenic magnet. Berdasarkan hasil karakterisasi XRD, fasa Bi-2212 masih dominan untuk semua sampel. Hasil karakterisasi SEM menunjukkan bahwa morfologi superkonduktor BPSCCO yang dihasilkan berbentuk lempengan yang berlapis. Berdasarkan hasil analisa hasil uji resistivity nilai Tc-onset terbaik ditemukan pada sampel tanpa penambahan yaitu sebesar 119.16 K dan Tc-offset 110.75 K. | en_US |
dc.language.iso | id | en_US |
dc.publisher | Universitas Sumatera Utara | en_US |
dc.subject | BPSCCO | en_US |
dc.subject | Sol-gel | en_US |
dc.subject | Al2O3 | en_US |
dc.subject | MgO | en_US |
dc.subject | Critical temperature | en_US |
dc.title | Analisis Sifat Superkonduktor Bi1,6pb0,4sr2ca2cu3o10+Δ dengan Penambahan Dopan Al2o3 Dan Mgo Menggunakan Metode Sol-Gel | en_US |
dc.type | Thesis | en_US |
dc.identifier.nim | NIM187026005 | |
dc.description.pages | 95 Halaman | en_US |
dc.description.type | Tesis Magister | en_US |