Sumardi, Febri Reviana (2013) PEMBENTUKAN FASE BAHAN SUPERKONDUKTOR Bi-2223 DENGAN DOPING Pb (BPSCCO-2223) PADA KADAR Ca = 2,10 DENGAN VARIASI SUHU SINTERING (PHASE FORMATION OF BSCCO-2223 SUPERCONDUCTING MATERIALS WITH Pb DOPING (BPSCCO-2223) ON THE LEVEL OF Ca = 2,10 WITH VARIATION OF SINTERING TEMPERATURE). Fakultas MIPA, Universitas Lampung.
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Abstrak (Berisi Bastraknya saja, Judul dan Nama Tidak Boleh di Masukan)
Sintesis superkonduktor BSCCO-2223 dengan doping Pb (BPSCCO-2223) pada kadar Ca = 2,10 telah dilakukan dengan metode padatan. Sintesis dilakukan selama 10 jam pada suhu kalsinasi 800oC dan selama 20 jam pada suhu sintering yang bervariasi yaitu 840oC, 845oC, 850oC, dan 855oC. Variasi dilakukan untuk mengetahui pengaruh suhu sintering terhadap pembentukan fase bahan superkonduktor yang dilihat berdasarkan fraksi volume, impuritas, dan derajat orientasi. Hasil penelitian menunjukkan bahwa peningkatan suhu sintering dapat meningkatkan fraksi volume dan menurunkan impuritas. Fraksi volume BPSCCO-2223 yang relatif tinggi adalah 86,80% pada suhu sintering 855oC. Sedangkan fraksi volume terendah adalah 76,88% pada suhu sintering 840oC. Derajat orientasi tertinggi adalah 47,87% pada suhu 850oC. Sedangkan derajat orientasi terendah adalah 37,28% pada suhu 845oC. Berdasarkan hasil SEM diinformasikan bahwa semua sampel telah menunjukkan lapisan-lapisan yang tersusun searah (terorientasi) dengan ruang kosong antara lempengan (void) relatif kecil. Kata kunci : superkonduktor BPSCCO-2223, sintering, fraksi volume,impuritas, derajat orientasi. (The synthesis of BSCCO-2223 superconducting materials with Pb doping (BPSCCO-2223) has been administered with solid reaction. The synthesis was performed for 10 hours by calcination at temperature of 800oC and for 20 hours to varied at the temperature 840oC, 845oC, 850oC, and 855oC. This variation was performed to determine the effect of sintering temperature on phase formation of superconductor being viewed based on volume fraction, impurities, and the degree of orientation. Result of the research show the increase of sintering temperature could increase the volume fraction and decrease impurity. Volume fraction of BPSCCO-2223 that is relatively high is 86,80% on the sintering temperature of 855oC. The lowest volume fraction is 76,88% on the sintering temperature of 840oC. The highest degree of orientation is 47,87% on sintering temperature 850oC. The lowest degree of orientation is 37,28% on sintering temperature 845oC. Result of SEM show that all the samples have shown that layers arranged in the direction of the empty space between the plates (void) is relatively small. Keywords: superconductor BPSCCO-2223, sintering, volume fraction, impurity, degree of orientation.)
| Jenis Karya Akhir: | Skripsi |
|---|---|
| Subyek: | > Q Science (General) > QP Physiology |
| Program Studi: | FAKULTAS MIPA > Prodi Fisika |
| Pengguna Deposit: | UPT Perpustakaan Unila |
| Date Deposited: | 08 Jan 2014 05:15 |
| Terakhir diubah: | 08 Jan 2014 05:15 |
| URI: | http://digilib.unila.ac.id/id/eprint/76 |
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