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Physical Description | vi, 54 hlm. : ill. ; 28 cm. + lamp. |
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Holding Institution | Universitas Indonesia |
Location | Perpustakaan UI, Lantai 3 |
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Call Number | Barcode Number | Availability |
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S28909 | 14-22-29993030 | TERSEDIA |
No review available for this collection: 20327797 |
Abstract
Analisis struktur kristal merupakan salah satu bagian dari analisis struktur mikro suatu material. Untuk menganalisis struktur kristal dapat digunakan metode difraksi sinar-X (XRD). Dari hasil penelitian sebelumnya diperoleh bahwa fasa baru CaMnO3 dan LaMnO3 terbentuk pada proses milling selama 12 jam dan pemanasan 1000 ºC selama 9 jam. Studi analisis struktur kristal CaMnO3 dan LaMnO3 dalam penelitian ini diperoleh melalui proses refinement menggunakan program Fullprof terhadap data hasil difraksi sinar-X yang telah didapatkan pada penelitian sebelumnya. CaMnO3 memiliki analisis yang baik pada sistem kristal orthorhombik space group Pnma dengan parameter kisi pada temperatur 300 K adalah a = 5.2626 Å, b = 7.4438 Å, dan c = 5.2167 Å sedangkan LaMnO3 memiliki analisis yang baik pada sistem kristal monoklinik space group P1121/a dengan parameter kisi pada temperatur 300 K adalah a = 5.4864 Å, b = 7.7905 Å, c= 5.5304 Å, dan sudut ? = 90.779 0.
Crystal structure analysis represents one part of the microstructure analysis for materials. To analyze crystal structure can use X-Ray Diffraction method (XRD). From result of earlier research the new phase of CaMnO3 and LaMnO3 formed by milling process 12 hours and heating process 9 hours at temperature 1000 0C. The analyze study of crystal structure of CaMnO3 and LaMnO3 at this research result by refinement process with Fullprof program based on X-Ray Diffraction data from earlier research. CaMnO3 is good analysis at crystal system on orthorhombic space group Pnma with lattice parameter at temperature 300 K is a = 5.2626 Å, b = 7.4438 Å, and c = 5.2167 Å meanwhile LaMnO3 is good analysis at crystal system on monoclinic space group P1121/a with lattice parameter at temperature 300 K is a = 5.4864 Å, b = 7.7905 Å, c = 5.5304 Å, and ? angle = 90.779 0.
Crystal structure analysis represents one part of the microstructure analysis for materials. To analyze crystal structure can use X-Ray Diffraction method (XRD). From result of earlier research the new phase of CaMnO3 and LaMnO3 formed by milling process 12 hours and heating process 9 hours at temperature 1000 0C. The analyze study of crystal structure of CaMnO3 and LaMnO3 at this research result by refinement process with Fullprof program based on X-Ray Diffraction data from earlier research. CaMnO3 is good analysis at crystal system on orthorhombic space group Pnma with lattice parameter at temperature 300 K is a = 5.2626 Å, b = 7.4438 Å, and c = 5.2167 Å meanwhile LaMnO3 is good analysis at crystal system on monoclinic space group P1121/a with lattice parameter at temperature 300 K is a = 5.4864 Å, b = 7.7905 Å, c = 5.5304 Å, and ? angle = 90.779 0.