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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Ilmu Pertanian Jurnal Pendidikan Vokasi BERKALA FISIKA SAINS DAN MATEMATIKA Jurnal Inovasi Pendidikan Jurnal Materi dan Pembelajaran Fisika Jurnal Penelitian Fisika dan Aplikasinya (JPFA) YOUNGSTER PHYSICS JOURNAL MAJALAH ILMIAH GEMA Innofarm Jurnal Inovasi Pertanian Jurnal Penelitian Hutan dan Konservasi Alam Telematika : Jurnal Informatika dan Teknologi Informasi Bulletin of Chemical Reaction Engineering & Catalysis WARTA Forum Geografi BERITA BIOLOGI JITEK (Jurnal Ilmiah Teknosains) Jurnal Ilmiah KOMPUTASI Jurnal Penelitian dan Pengembangan Pendidikan Luar Biasa Sinkron : Jurnal dan Penelitian Teknik Informatika DIDAKTIKA BIOLOGI: Jurnal Penelitian Pendidikan Biologi Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan Syntax Literate: Jurnal Ilmiah Indonesia Indonesian Journal of Artificial Intelligence and Data Mining Jurnal Teknik Informatika STMIK Antar Bangsa Buletin Sumber Daya Geologi JURNAL PENDIDIKAN TAMBUSAI QARDHUL HASAN: MEDIA PENGABDIAN KEPADA MASYARAKAT JURTEKSI Jurnal Ilmiah Mandala Education (JIME) JUPE : Jurnal Pendidikan Mandala PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat jurnal Ilmu Pertanian (Agricultural Science) GERVASI: Jurnal Pengabdian kepada Masyarakat Procuratio : Jurnal Ilmiah Manajemen Kurs : Jurnal Akuntansi, Kewirausahaan dan Bisnis Societas : Jurnal Ilmu Administrasi dan Sosial Bilancia : Jurnal Ilmiah Akuntansi Kumawula: Jurnal Pengabdian Kepada Masyarakat E-JURNAL JUSITI : Jurnal Sistem Informasi dan Teknologi Informasi Majamecha Jurnal Fisika Indonesia Abdi Masyarakat Jurnal Abdi Insani Jurnal Infortech Ihsan: Jurnal Pengabdian Masyarakat Biofarm : Jurnal Ilmiah Pertanian Infotek : Jurnal Informatika dan Teknologi Psyche: Jurnal Psikologi JURNAL ABDIMAS TRIDHARMA MANAJEMEN International Journal of Educational Research and Social Sciences (IJERSC) Akasia: Artikel Ilmiah Sistem Informasi Akuntansi Jurnal Riset dan Aplikasi Mahasiswa Informatika (JRAMI) Fruitset Sains : Jurnal Pertanian Agroteknologi Journal Of World Science JURNAL UMBANUA Jurnal Pengabdian pada Masyarakat Jurnal Kreativitas dan Inovasi (Jurnal Kreanova) Jurnal Pendidikan Teknik dan Vokasional Prosiding University Research Colloquium Jurnal Teknologi Jurnal Ilmiah Fakultas Sains dan Teknik Universitas Nusa Cendana Jejak: Jurnal Pendidikan Sejarah Universitas Jambi IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Journal of Applied Business and Technology Journal of Artificial Intelligence and Digital Business Estungkara: Jurnal Pengabdian Pendidikan Sejarah Physics and Science Education Journal (PSEJ) PROCEEDING OF INTERNATIONAL CONFERENCE ON BUSINESS MANAGEMENT AND ACCOUNTING Abdimas Mandalika Propeller JUDIKAT: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat Bangun Cipta, Rasa, & Karsa (Jurnal PKM BATASA) GEMBIRA (Pengabdian Kepada Masyarakat) PEDAMAS (Pengabdian Kepada Masyarakat) Bulletin of Chemical Reaction Engineering & Catalysis Jurnal Intelek Dan Cendikiawan Nusantara Jurnal Komunitas (Komunikasi Tiada Batas) Jurnal Intelek Insan Cendikia Jurnal Pembelajaran dan Riset Pendidikan JURNAL REKAYASA KIMIA & LINGKUNGAN Journal of Software Engineering And Technology IJISCS (International Journal of Information System and Computer Science) Jurnal Sistem Informasi dan Teknologi Informasi Berita Biologi
Priyono Priyono
Department Of Physics, Faculty Of Sciences And Mathematics, Diponegoro University
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Journal : YOUNGSTER PHYSICS JOURNAL

 1 
KAJIAN SIFAT STRUKTUR KRISTAL PADA BAHAN BARIUM HEKSAFERIT YANG DITAMBAH VARIASI Fe2O3 MENGGUNAKAN ANALISIS RIETVELD Kilat Permana Putra; Priyono Priyono
Youngster Physics Journal Vol 4, No 2 (2015): Youngster Physics Journal April 2015
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Barium M - heksaferit known as permanent magnet material which has high competition against other classes of permanent magnet due to the manufacturing process is relatively simple, and has a high stability against heat and the external magnetic field besides having a high economic value. Problems encountered in the synthesis using stoichiometric composition was obtained despite the presence of a second phase in the composition of the minor.In this study the magnetic material synthesized using a non - stoichiometric composition by adding the compound Fe2O3 and conducted in-depth analysis on the initial temperature of formation at 950 0C, while the standard sample stoichiometric performed at a temperature of 1200 0C are entirely processed by powder metallurgy method using basic compound BaCO3 and Fe2O3 . Characterized using XRD to determine the crystal structure formed by the anode source Co which has a wavelength of 1.7889 Å on step scan 0,020. The results of XRD characterization followed by matching with international data ICDD - JCPDS then applied rietveld analysis using GSAS software.              XRD characterization results showed the sample with stoichiometric composition of the Barium M-Hexaferrite (BaFe12O19) as main phase and a little Fe2O3 as a minor phase. With increasing 10% Fe the initial formation is dominated by BaFe2O4 intermediate phase at 950 0C.  While the addition of 20% Fe is dominated by Fe2O3 phase.Rietveld analysis results for the material stoichiometric phase obtained better match value than both of samples while the best linearity was obtained at 20% Fe addition. Keywords: Powder Metalurgi, Barium Hexaferrite, XRD, Rietveld.
PEMBUATAN MATERIAL MAGNETIK KOMPOSIT BaFe9Mn0,75Co0,75Ti1,5O19/ELASTOMER UNTUK APLIKASI PENYERAP GELOMBANG ELEKTROMAGNETIK Windu Ganar Prasongko; Priyono Priyono
Youngster Physics Journal Vol 3, No 1 (2014): Youngster Physics Journal Januari 2014
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

The magnetic material of BaFe12 - 2x ( MnCo ) xTixO19 which is considered as a magnetic material of M type Hexaferrite and being substituted partially of two Fe3+ ions with an Mn 2+ ion , Co2+ , and an Ti4+ ion has been researched and tested by using sol gel method. The magnetic material is formed from Ba( NO3 )2 , Fe( NO3 )2 , Mn( NO3 )2 , Co( NO3 )2 , Ti( NO3 )4.BaFe12 - 2x( MnCo )xTixO19 for x = 1.5 synthesized by using sol gel, in the form of powder. From the magnetic test result, it is obtained that the coercivity values is 3.8 kA / m and the magnetization value is 0.29  Tesla. The density test result of pellet barium heksaferrite is 3.453 to 5.060 g / cm3 for 90 μm. The morphology analysis of the sample surface by using Scanning Electron Microscopy( SEM ) showed hetereogenety in particle size. The result of absorption test showed the absorption in the range of 8-12 GHz. The result of mechanical tests showed that the adhesion test had the variation values to different point.Keywords: BaFe12 - 2x( MnCo )xTixO19 for x = 1.5,sol gel              
Study of the most responsible parameters on polarization for powerful preliminary test of oil quality Ketut Sofjan Firdausi; Suryono Suryono; Priyono Priyono; Zaenul Muhlisin
Youngster Physics Journal Vol 7, No 2 (2018): Youngster Physics Journal April 2018
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

In this study, the most responsible parameters on polarization in total natural vegetable oils and fats have been investigated by determination of the relation between the polarization change and fatty acids (FA) composition. The change of light polarization was simply measured by using a pair of polarizer-analyser to indicate oil quality level, and the FA composition was obtained by using Gas Chromatography and Mass Spectrometer (GCMS) method. Various vegetable oils and fats were examined without any preliminary treatments. The experimental condition of the samples during measurement was assumed to be constant. It has been shown that various oils and fats have different angle of change of polarization, which indicates various oil quality level relative to each other, in agreement to the previous works. Especially for vegetable oils, high change of polarization has been considered as low quality of oil. The long chain of saturated fatty acids (SFA) and unsaturated fatty acids (UFA), which are distributed at third position (R3) and first position (R1) of triglycerides (TG) molecules, are responsible for the change of polarization and presented as a linear combination of the number of SFA or UFA. The result shows that the polarization could be used as powerful method for preliminary detection of oil quality level. The highest number of coefficient of C19:0 in lard indicates that this method has provided good prospect to evaluate the halal level of oil due to lard contamination.Keywords—polarization, triglyceride (TG), saturated fatty acid (SFA), unsaturated fatty acids (UFA)
SINTESIS DAN KARAKTERISASI PIGMEN HEMATIT (α-Fe2O3) DARI BIJIH BESI ALAM MELALUI METODE PRESIPITASI Kukuh Dwi Septiana; Priyono Priyono; Nurul Taufiqu Rochman; Yuswono Yuswono; Tito Prastyo Rahman; Dwi Wahyu Nugroho; Radyum Ikono; Nofrizal Nofrizal; Nurwenda Novan Maulana
Youngster Physics Journal Vol 2, No 3 (2013): Youngster Physics Journal Juli 2013
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Indonesia has a lot of mining material of iron ore that could be used for various purposes in the steel industry or for pigment manufacturing. This research, has synthesized the Hematite (α-Fe2O3) pigment manufacture through a precipitation mechanism. The iron ore powder is mixed with HCl and NH4OH, then it is dried at a temperature of 150oC and calcinated at a temperature of 500oC and 800oC for knowing the formation temperature of  α-Fe2O3 crystal’s structure. Next, the synthesis results are characterized with XRD at 2θ from 10o to 80o with a sampling pitch of 0,02o. Synthesis results show that the raw material has a lattice parameter values a = b = 5,017 Ǻ and c = 13,652 Ǻ after purifying, the values of lattice parameter become a = b = 5,030 Ǻ and c = 13,739 Ǻ which appropriate with standard of ICDD No. 33-0664. The crystallite size is at range of 40 nm while the lattice strain at 1,700 x 10-4 to 3,500 x 10-4. The results of the color test indicate calcination value L * a * b * = 28,36, 27,86, 30,24 at temperature of 500oC where as at 800oC of the calcination temperature obtain values L * a * b * = 20,47, 22,42, 18,17.Keywords: iron ore, pigments, α-Fe2O3, precipitation
Rancang bangun furnace temperatur tinggi dengan pengendali mikrokontrol ATMEGA 8535 menggunakan sumber pemanas Silicon Carbide (SiC) Sulistyawan A; Anas M Najih; Priyono Priyono
Youngster Physics Journal Vol 6, No 3 (2017): Youngster Physics Journal Juli 2017
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

It has been successfully designed high temperatur furnace using Silicon Carbide (SiC) as an electric furnace source which can be controlled by ATMEGA 8535. The result of thermocouple test with standard measuring device as calibrator in temperatur range 50 ° C - 500 ° C can work well, that have been indicated by the characteristics The temperatur in the thermocouple to the ADC (Analog to Digital Converter) value in the microcontroller is Y (ADC) = 2.0062 T + 4.6. In testing of the entire furnace system for various input voltages it can be shown that the higher operating voltage will increase the heating rate in the combustion chamber. In the design using 4 sources of heating SiC with the volume of combustion chamber 1.2 liters indicates the spread of heat is quite evenly and effectively.Keywords: Furnace, AVR ATMEGA 8535 Microcontroller, Silicon Carbide 
PENENTUAN FREKUENSI RESONANSI PADA ARTIFISIAL METAMATERIAL MENGGUNAKAN BENTUK SPLIT RING RESONATOR (SRR) Muh Yasin YBIC; K Sofjan Firdausi; Priyono Priyono
Youngster Physics Journal Vol 3, No 3 (2014): Youngster Physics Journal Juli 2014
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Metamaterial represent the material with negative value of permitivity ( ) and permeability ( ). Artificial metamaterial can be realized with periodic structure of wire for the negative relative permittivity ( ), and Split Ring Resonator (SRR) for the negative relative permeability ( ). This research represent the theoretical study about the dimension effect of SRR to active frequency of electromagnetic wave ( ) at artificial metamaterial. Plasmon resonances in SRR due to the interaction with the electromagnetic waves used to determine  in order to obtain the equation in the form of frequency. From these equations graphically simulated between  to the  at various dimension size of SRR, so can be knowable about the dimension effect of SRR to active frequency of metamaterial. At periodic structure of SRR, if the distance apart of SRR ( ) increase hence top boundary of active frequency (magnetic plasma frequency, ) decrease, and  bottom boundary of active frequency (SRR resonance frequency, ) do not change. If radius of SRR ( ) increase hence will decrease the  and . If  the gap ring of SRR ( ) increase hence increase of  and . Keywords: permitivity, permeability, metamaterial, Split Ring Resonator.
Sistem integrasi keaman dan kenyaman lift menggunakan TAG-RFID pada berbagai obyek vital Hudzaifah Hazazi Zia Kusuma; Jatmiko Endro Suseno; Priyono Priyono
Youngster Physics Journal Vol 7, No 2 (2018): Youngster Physics Journal April 2018
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

This paper discusses the security system of lift devices and rooms that  integrated with one Radio Frequency Identification (RFID) device. The RFID tags are small, wireless devices that help identify objects that  can provide convenience, security and convenience for users  to improve service quality base on on the Arduino Mega 2560 microcontroller. The results of control integrated system design of between elevator doors with private rooms and other facilities can be done well. In this design, the visitor management system becomes the central integrated security system because only visitors who have access can utilize various facilities in accordance with the existing code in RFID, so this result is very potential to be applied for various control vital objects for more secure system security. Keyword: RFID, Security system, Arduino, Microcontrol
Co-Authors A Manaf A. Haris A. Rusgiyono A.A. Ketut Agung Cahyawan W Abidin, Nur Achmad Imam Agung AF Kurniawan, AF Agfianto, Tomi Agung Cahyono agung Pramana Agus Anggoro Sigit Agus Subagio Agus Trihandoyo Agus Ulinuha Ahmad Asrori Ahmad Sulaiman, Ahmad Alfina, Alfina Ali Haidir Alif Noor Anna Aminuyati Anas M Najih Andi Andi Andi Gunawan Andi Saryoko Andoyo, Andreas Andrianto, Sukrisna Andriayani, Novita Angelina, Dian Anggrelanggi, Arsy Anggrellanggi, Arsy Arif Jauhari Arisandy, Poppy Arisanty, Poppy ARIWIBOWO, PRASETIO Arnelli Arnelli Artian, Artian Sirun Artian Aryo Tunjung Kusumo Asahi, Adam Aslinda, Aslinda Astia Ningsih, Dwi Atien Priyanti Atok, Laurensius Kristo Augustine, Yvonne Auliani, Faulhia B. Raharjo Bahri, Saiful Bawano, Franklin Bawono, Ari Bianome, Wofrid Bianome, Wofrid Erlista Bianome, Wolfrid Brilliant, Muhamad Choirul Amin Choirul Anam AM Diponegoro D. Ispriyanti Darwin Rio Budi Syaka David David Dian Ekowati Dian Puspita Dian Puspita Sari Didik Setiyo Widodo Dilahur Dilahur, Dilahur Dima, Adid Balle Dina Syafrianingsih, Dina Dwi Astuti Dwi Budi Santoso Dwi Purwantoro Sasongko Dwi Wahyu Nugroho Dwiantoro, Tino E. Setiawati Edy Suprapto Endang Sri Sudalmi Eris, Deden Dewantara Erma Kumala Sari Etty Murwaningsari Evi Gusliana F. Ariyanto Fadila, Hana Fadrul, Fadrul Fahira, Talitha Khansa Fahrizal Fahrizal Fahrizal Fahrizal Fajar Arianto Fajar Arif Mustofa Fatur, Tiyo Fauziyah, Ridha Feta, Neneng Rachmalia Fiqhan Muslim , Ibnu fiqhan muslim, ibnu Fitri, Septi Bunal Fitria Fitria Fitriyah, Fauziatul Fransisca, Luciana guntoro, adi H. Sutanto H. Sutanto Henny Armaniah Henny Destiana Heri Sutanto Hindriari, Reni Hocky, Agus Hodo, Yeremias Lake Hudzaifah Hazazi Zia Kusuma Hutahuruk, Marice Br I Gusti Bagus Wiksuana I Gusti Putu Asto Buditjahjanto I Nurhasanah I. Marhaendrajaya Ihwan Susilo, Ihwan Iis Nurhasanah Ilmy Zaada Faidullah Imam Hardjono Indras Marhaendrajaya Ishak Yassir Isti’ana Maftuchah, Isti’ana J. E. Suseno Jasman Jasman Jatmiko Endro Suseno Jeprianto, Jeprianto Joko Sudarto Joni Joni Jumadi Jumadi Juwanda, Farikhin K Sofjan Firdausi K, Basri K. S. Firdausi, K. Karnaji Karnaji Karnaji, Karnaji Karyono Karyono Ketut Sofjan Firdausi, Ketut Sofjan Kharis Triyono Khasan Rowi Kholifah, Desiana Nur Kilat Permana Putra Kliwon Hidayat Komardi, Dadi Kristanto, Daniel Kudri, Muhammad Wan Kudri, Wan Muhammad Kukuh Dwi Septiana Kusuma, Annisa Dian Kusumo, Aryo Tunjung Kuswaji Dwi Priyono Laban, Banjar Yulianto Laia, Maria Monika Septa Lengo, Edwinurius Berlinus Leni Anggraeni Leotman, Baradista Dimas Lila Dini Utami Lilik Anifah Liu, Mikhael Dendy Robertus Luktyansyah, Insyiah Meida M. Imam Taufiq M. Izzati M. Nur M. Sholahuddin Manesi, Damianus Manurung, Lengsi Mau, Sealtial Mau, Sealtiel Maximilian M. J. Kapa, Maximilian M. J. Mega Lestari Mnune, Edwin Deriston Muh Yasin YBIC Muhammad Abdul Aziz Muhammad Adhimawan Wijaya Muhammad Faisal Muhammad Farid Aminudin, Muhammad Farid Muhammad Hilman Fakhriza, Muhammad Hilman Muhammad Rivai Mujiono Mujiono Mukti, Nursanti Anjune Munawar Cholil Muryanto Nanda, Adi Prasetia Nasution, Ali Napiah Nila Elfrida Harahap Nofiar, Nofiar Nofrizal Nofrizal Novita Andriyani Nufus, Khayatun Nurdin Ibrahim Nurhasanah, Iis Ariska Nurkholis Nurkholis Nurlaila Nurlaila Nurul Aisyah Nurul Taufiqu Rochman Nurwenda Novan Maulana Nyoto Nyoto, Nyoto Panca Saputra, Elin Pandji Triadyaksa Paramita, Safira Arta Pardoyo Pardoyo Parulian, Dudi Passu, Ahas Weros Peginusa, Stefani Switly PRAKOSO, Haryo Tejo Putra, Tri Mandala Putri, Ega Harnanditya Putri, Novia Kelana Putri, Novita Yulia R. Hariyati R. Hastuti Radyum Ikono Rahayu, Adi RAHMAD MAHENDRA SARWIJIWO Rahmat Tri Yunandar Ramadhani, Syaikhah Aditya Ranam, Sanudin Ravik Karsidi Regina Ayu Andini Rezki, Muhammad Ricky Ricky Rike Yudianti Rike Yudianti Rina Wati Rismaya, Siska Riyaji, Akbar Rizaldi Putra Rizki Restu Setiyani Rizki, Fahlul Rohana, Krisma Dwi Rosihan Asmara RR. Ella Evrita Hestiandari Rudiansyah, Firman Rudiyanto Rudiyanto, Rudiyanto S Siswanto S, Yvonne Augustin S. Suryono S. Tana Sanggam Ramantisan Saputara, Elin Panca Saputra, Yose Saputro, Achmat Yulyadi Saputro, Avisema Sigit Sartono Joko Santosa Satria, Rita Siregar, Valdi Muhamad Rafiansyah Siregar, Valdi Muhammad Rafiansyah Sirih, Muhammad Sistya Rachmawati Siswadi Siswadi Sitepu, Bina Swasta Siti Mukodimah Soekarno Mismana Putra, Soekarno Mismana Sri Hartati Sri Iswiyanti, Agus Sri Wahyuni Subagya Subagya, Subagya Subagyo Subagyo Subhan Subhan Sudarno Sudarno Sugito Sugito Suhardjono Suhardjono Suharja, Iman Suhartono Suhartono Sulastri Sulastri Suldalmi, Endang Sri Sulistyawan A Sulistyo Sulistyo Sunardi Sunardi Sunarhadi, M. Amin Sundari Utami, Shinta Supit, Teve W. M. Supratiwi, Mahardika Suryadhitia, Rachmat Suryadithia, Rachmat Susanto, Yohanes Karoberd Yugi Suswandi, Suswandi Suyono Suyono Syah Putra, Arman Syukur, Adnan T. Windarti Tage, Oktafianus Tamelan, Paul G. Taufik Rahman Taufik Taufik Teguh Teguh Thaka, Indra Tito Prastyo Rahman Tnunay, Imanuel To, Yonas Tri Atmoko Tri Susilowati U Kaltsum, U Ulfa Isni Kurnia Ummi Kaltsum Umrotun Umrotun Valencia, Erica Very Richardina Very Richardina Vincensius Gunawan S.K. W. H. Rahmanto Wahyu Agustina, Wahyu Wahyudin Wahyudin Wibisono, Sigit A. Wibisono, Sigit A. Wibisono, Yusub Widiyanto Widiyanto Widyastuti, Lina Ayu Windu Ganar Prasongko Windu Ganar Prasongko Wofrid E. Bianome Wulandari Wulandari Yeni Susanti Yulanda, Novidya Yuli Priyana Yuswono Yuswono Z. Muhlisin Zaenul Muhlisin