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All Journal Jurnal Spektra Science and Technology Indonesia Jurnal Penelitian Sains Indonesian Journal of Chemistry Majalah Ilmiah Pengkajian Industri Jurnal Ilmu Fisika JAE (Jurnal Akuntansi dan Ekonomi) Technologia: Jurnal Ilmiah ProBisnis : Jurnal Manajemen Makara Journal of Science Jurnal Riset Fisika Indonesia Makara Journal of Technology Jurnal Informatika Software dan Network (JISN) Jurnal Pengabdian Masyarakat Tapis Berseri Journal of Accounting and Finance (JAF) Bulletin of Chemical Reaction Engineering & Catalysis Prosiding Seminar Nasional Unimus E-Amal: Jurnal Pengabdian Kepada Masyarakat Journal of Learning Technology Journal of Software Engineering And Technology Jurnal TAM (Technology Acceptance Model) Berbakti Artificial Intelligence and Computing
Mardiyanto Mardiyanto
Centre for Technology of Industrial Nuclear Materials -BATAN
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Journal : Makara Journal of Science

 1 
Analysis on the Crystal Structure of the Piezoelectric Nanocrystal Ceramic of Pr-doped Bi1/2Na1/2TiO3 using Molten-Salt Synthesis Ahda, Syahfandi; Ambarwati, Vita; Mardiyanto, Mardiyanto; Sukirman, Engkir; Sugeng, Bambang
Makara Journal of Science Vol. 25, No. 3
Publisher : UI Scholars Hub

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One of the future technologies in nuclear reactors is the ability of piezoelectric materials to monitor reactor cores as sensors. Particularly, Pb-free piezoelectric materials, such as Bi1/2Na1/2TiO3, have been examined to improve the ability of their piezoelectric properties. In this study, we attempted to add Pr6O11 dopant material with mole ratios of 0, 0.3, 0.5, and 0.7 mol%. The synthesis process used in this study is the molten-salt synthesis method with a NaCl and KCl salt mole ratio of 1:1. The crystal structure analysis using the refinement process of the Rietveld method of the HighScore software was performed. Accordingly, a rhombohedral crystal structure system with lattice parameters of 3.8809(2), 3.8831(2), 3.8834(7), and 3.8816(2) angstroms and variations in the content of Pr6O11 was obtained. The optimal lattice parameter was discovered with the addition of 0.5 mol% of Pr6O11. The morphology of the synthesis product is still unclear for each addition of dopant material due to the large number of granular agglomerations.
Synthesis of Tris(4-Methoxyphenyl)Phenylsilane Using Phenylsilane and 4-Iodo Anisole Catalyzed by Palladium Complex Lesbani, Aldes; Mohadi, Risfidian; Eliza, Eliza; Mardiyanto, Mardiyanto
Makara Journal of Science Vol. 8, No. 1
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Sintesis Tris(4-Metoksifenil)Fenilsilan Menggunakan Fenilsilan dan 4-Iodida Anisol dengan Katalis Senyawa Kompleks Paladium. Sintesis tris(4-metoksifenil)fenilsilan melalui reaksi kopling antara fenilsilan dan 4-iodida anisol menggunakan senyawa paladium tersier tributilfosfin sebagai katalis telah dilakukan berdasarkan penentuan senyawa basa, pelarut, dan waktu reaksi kopling. Hasil penelitian menunjukkan bahwa senyawa tris(4-metoksifenil)fenilsilan dapat disintesis menghasilkan persentase produk maksimum pada penggunaan senyawa 1,4-diazabisiko[2,2,2]oktan (DABCO) sebagai basa, tetrahidrofuran sebagai pelarut, dan waktu reaksi kopling selama 5 hari. Persentase tertinggi produk senyawa tris(4-metoksifenil)fenilsilan adalah 35%.
Synthesis of Tris(4-Methoxyphenyl)Phenylsilane Using Phenylsilane and 4-Iodo Anisole Catalyzed by Palladium Complex Lesbani, Aldes; Mohadi, Risfidian; Eliza, Eliza; Mardiyanto, Mardiyanto
Makara Journal of Science Vol. 18, No. 1
Publisher : UI Scholars Hub

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Sintesis Tris(4-Metoksifenil)Fenilsilan Menggunakan Fenilsilan dan 4-Iodida Anisol dengan Katalis Senyawa Kompleks Paladium. Sintesis tris(4-metoksifenil)fenilsilan melalui reaksi kopling antara fenilsilan dan 4-iodida anisol menggunakan senyawa paladium tersier tributilfosfin sebagai katalis telah dilakukan berdasarkan penentuan senyawa basa, pelarut, dan waktu reaksi kopling. Hasil penelitian menunjukkan bahwa senyawa tris(4-metoksifenil)fenilsilan dapat disintesis menghasilkan persentase produk maksimum pada penggunaan senyawa 1,4-diazabisiko[2,2,2]oktan (DABCO) sebagai basa, tetrahidrofuran sebagai pelarut, dan waktu reaksi kopling selama 5 hari. Persentase tertinggi produk senyawa tris(4-metoksifenil)fenilsilan adalah 35%.
Co-Authors -, Widianto Abu Khalid Rivai Adituri, Adituri Afrizal Martin Agung Budi Susanto Agustian, Rizki Agustiarini, Vitry Agusutrisno Agusutrisno, Agusutrisno Ahmad Khumaidi Ahmad Khumaidi Aldes Lesbani Alfian Nuziar Ambarwati, Vita Amri Amri Andon Insani Andoyo, Andreas Anggara Anggara, Anggara Anggraeni, Elisabet Yunaiti Angraeni, Via Annette Heinzel Apriani, Elsa F. Arbi Dimyati Bambang Sugeng Bery, Winda Surya Budi Untari Chalid, Lukman Damar Rastri Adhika Deswita Deswita Dian Fitriyani Dina Permata Wijaya Edi Suharyadi Eliza Eliza Elvaswer Elvaswer Engkir Sukirman Ferhat Aziz Firana, Ario Hanifah, Yulizah Herlina Herlina Hilman, Amirul Huang, Ching An Idha Royani J, Jeprianto Jeprianto, Jeprianto Joni Joni Lestari, Kanti Martin, Afrizal martin, Afrizal martin Marzuki Silalahi Mawaddah, Zahrul Mohammad Dani Muhamad Muslihudin Mustafa Kamal Nafiah, Nafiah Najma Annuria Fithri, Najma Annuria Nining Handayani Novita Andriyani Nur Ahmad, Nur octavia, yoanda wanda Parikin Parikin Prasetia Nanda, Adi Risfidian Mohadi Rohmatullaili, Rohmatullaili Rosidawati Wiradirja, Imas Salim Mustofa Sari, Familia Maya Setyo Purwanto Shaum Shiyan Sofia Sandi Solihah, Indah Sulistioso G.S, Sulistioso Sulistioso Giat Sukaryo, Sulistioso Giat SURYANTI Syahbuddin Syahbuddin Syahfandi Ahda Syarifudin Syarifudin Taswanda Taryo Tati, Sri Hartati Taufiq, Agus Tri Kusmita Wardhana, Singgih Tri Wibiyan, Sahrul Widianto Widianto Widiyanto Widiyanto Wijaya, Alfan Yuri Fitrian Zarvianti, Enny Zavianti, Enny