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All Journal BERKALA FISIKA Pedagogi: Jurnal Ilmu Pendidikan PRISMA FISIKA Jurnal Visi Ilmu Pendidikan YOUNGSTER PHYSICS JOURNAL Jurnal Mahasiswa Teknologi Pendidikan (JMTP) Bulletin of Chemical Reaction Engineering & Catalysis Jurnal Fisika Unand Lentera Pustaka Jurnal Ilmiah Arena Tekstil QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) ELSE (Elementary School Education Journal) : Jurnal Pendidikan dan Pembelajaran Sekolah Dasar JMM (Jurnal Masyarakat Mandiri) Paedagoria : Jurnal Kajian, Penelitian dan Pengembangan Kependidikan Journal of Physics and Its Applications International Journal of Community Service Learning EduReligia : Jurnal Pendidikan Agama Islam Jurnal Ilmu Fisika Jurnal Ilmiah Mandala Education (JIME) International Journal for Educational and Vocational Studies Jurnal Studi Guru dan Pembelajaran Jurnal Eduscience (JES) Jurnal Ilmiah Profesi Pendidikan Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Edunesia : jurnal Ilmiah Pendidikan Physics Communication Indonesian Journal of Instructional Media and Model Journal of Computer Networks, Architecture and High Performance Computing JPTE: Jurnal Pendidikan Teknik Elektro Ceria: Jurnal Program Studi Pendidikan Anak Usia Dini Munaddhomah: Jurnal Manajemen Pendidikan Islam Transformasi dan Inovasi : Jurnal Pengabdian Masyarakat Educenter: Jurnal Ilmiah Pendidikan Edukasia: Jurnal Pendidikan dan Pembelajaran Abdi Cendekia: Jurnal Pengabdian Masyarakat Flight Attendant Kedirgantaraan: Jurnal Public Relation, Pelayanan, Pariwisata Physics and Science Education Journal (PSEJ) EDUCENTER JURNAL PENDIDIKAN Jurnal Pendidikan MIPA
Fajar Arianto
Laboratorium Fisika Radiasi Dan Fisika Medik, Departemen Fisika Universitas Diponegoro, Jl. Prof. Soedarto SH Tembalang Semarang
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Journal : BERKALA FISIKA

 1 
STUDY OF ELECTROOPTICS BEHAVIOUR OF NAPHTHALENE AND ANTHRACENE Firdausi, K Sofjan; Khumaeni, Ali; Richardina, Very; Arianto, Fajar; Budi, Wahyu Setia
BERKALA FISIKA 2015: Berkala Fisika Vol. 18 No. 3 Tahun 2015
Publisher : BERKALA FISIKA

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Abstract

In this paper, we demonstrate electro-optics behaviour of naphthalene and anthracene using change of polarization of sample induced by external electric field. The source of light for polarization was 1 mW-he-ne Laser 633 nm. The induced external Electric field was produced by high DC voltage 0 – 7 kV. The samples were diluted in solutions-form using wash-benzene. The result shows that anthracene has higher polarizability than naphthalene, which is indicated by higher change of polarization in anthracene than naphthalene. The Assumption that potential difference is proportional to the distance between molecules is shown qualitatively by graphs of Van der Waals potential energy or force between molecules. In this case, anthracene has higher level Energy than naphthalene so that it can be used in visible excitation for environmental spectroscopy. Keywords: electro-optics, polarization, naphthalene, anthracene, Van der Waals potential energy 
KARAKTERISASI REAKTOR PLASMA BERARUS NEGATIF DENGAN KONFIGURASI ELEKTRODA TITIK-BIDANG DAN PENERAPANNYA PADA KAIN POLYESTER RAJUT GREY Hasan, Siti Nurjannah; Muhlisin, Zaenul; Triadyaksa, Pandji; Arianto, Fajar
BERKALA FISIKA Vol 22, No 1 (2019): Berkala Fisika Vol. 22 No. 1 Tahun 2019
Publisher : BERKALA FISIKA

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Abstract

Research on characterisations of plasma reactor with negative current of square-point electrode configuration and its application on grey polyester knit fabric has been carried out. The objectives of this reseach were obtaining characterisation of negative plasma reactor, either with or without sample of the polyester knit fabric, getting ion mobility value, gaining the characterisation of irradiated polyester knit fabric of grey, and obtaining SEM results indicating the morphological changes of the fabric. A Plasma-Electrode Point Plasma reactor which is connected to a high-voltage DC power plant was used in this study. The size of pointfield electrodes was 15 x 15 cm2 with a 1.6 cm needle. The size of the grey knit polyester fabric used was 10 x 10 cm2. Variations in distance between electrodes were 1.5 cm, 1.8 cm, 2.1 cm 2.4 cm, 2.7 cm, 3.0 cm, and 3.3 cm. The results have shown that if the voltage increases, then the current value increses. The voltage which is needed to produce a lower current values is that the presence of a polyester knit fabric of grey. The highest voltage and current values witout sample can be found at a distance of 3.3 cm with a current value of 2.5 mA at a voltage of 3.027 kV, compared with presence of a sample, a current value of 1.6 mA at a voltage of 3.445 kV. The greater distance of the electrode, the smaller ion of the mobility is achieved. Based on the results of the water drop test showed that the longer the irradiation of the cloth, the faster duration of absorption. This is indicated by a distance of 2.4 cm in the duration of 5 minutes obtained the absorption time of 2.15 seconds while in the duration of 35 minutes obtained 1.47 seconds. In the SEM test, it is used 2 cloths where the first cloth used as a control or not subjected to plasma that has little damage where as the second fabric is subjected to plasma treatment with the time of irradiation is about 20 minutes that have damage or peeling on the surface of polyester knit fabrics grey.Keywords: Plasma corona, multi-point field, ion mobility, polyester fabric, textile treatment, the meeting properties of fabric.
Co-Authors ABDUL MANAF Abror, Sirojuddin Achmad Sjaifudin Tayibnapis Ade Ika Susan Agusti, Fiqrie Restia Agustina, Sheila ALFINA RAHMAWATI, DIAN Ali Khumaeni ALIM SUMARNO AMALIA WAHYUNINGTYAS, ISTI Anas Ahmadi Andi Kristanto Andi Mariono Andi Wibowo Kinandana Anitasari, Emi Anwar Usman Armilah, Mila Siti Asep Yoyo Wardaya Auliyani, Chaeriyatun Nissa Azizul Khakim, Azizul Bachri, Bachtiar S. Bachri, Bachtiar Sjaiful Badiah, Lutfi Isni Bambang Yulianto Binar Kurnia Prahani Chrisdian, Viddo Citra Fitri Kholidya Dahurandi, Keristian Darliawati, Herli Darmanto Darmanto Dewantari, Aditya Dewantoro, Muhammad Dhiaulhaq, Shifiyan Ahmad Dhyan Prastiwi Emi Anitasari Erma Prihastanti Fatah Yasin FAUZI ADHIM, MUHAMMAD Febry Fitriani FITRIA, ZOIMATUL Fuad Anwar, Fuad Gunawan Gunawan Hadi Prasetyo Utomo Hamdiyah, Heni Handayani, Liska Tri Handayani, Nita Hariyati, Mutty Harmanto Harmanto HASAN SUBEKTI Hasan, Siti Nurjannah Hasnawati, Lina Hayati, Widia Herli Darliawati Hisyam, Hisyam Husni Mubarok Iis Nurhasanah Isa Ansori Islami, Jundu Muhammad Mufakkirul Istiqomah Istiqomah Juari, S K Sofjan Firdausi khusnul khotimah Kusuma, Annisa Dian Kusumandari, Kusumandari Layli Hidayah Lestariningsih, Ayun Rahayu Liska Tri Handayani M.A. Muazar Habibi Maharani, Rosy Puspa Martadi, Martadi Maureen, Irena Y. Medina, Alfiarani Meisa Diningrat, Syaiputra Wahyuda Moh Jazuli, Moh Muhammad Adrian Lathif Muhammad Hanif Muhammad Nur Muhammad Nur Muhammad Nur Muhammad Nur Mustaji Mustaji, Mustaji Ngurah Ayu Ketut Umiati Novan Prawira, Dyon Nufus, Asyifa’un Nur, Muhammad Nurhasanah Nurhasanah Nurul Azmi, Nurul Nuryati, Dwi Wahyu Nurzanah, Salsabilla Choerunnisa Pandji Triadyaksa Prasetyo Basuki Prastiwi, Dhyan Pratama Jujur Wibawa Priyono Priyono PUSPITA WIRASARI, ENGGAL Putra, Riko Putri, Weni Antari Ramadhan, Avinda Zakcy Rayhani, Fauziah Rety, Dahniarti Cahyani Riyatun, Riyatun Rohid, Nabrisi Rohid, Nibrosu RR. Ella Evrita Hestiandari Rusijono, Rusijono Rusjiono Rusjiono sahamudin, Sahamudin Saraslifah Saraslifah Setyaedhi, Hari Sugiharto Shofiana, Fahlulia Rahma Sholehah Aisyah Siti Khodijah Siti Masitoh Sueb Suharyana Suharyana Sumariyah Sumariyah Susarno, Lamijan Hadi SYAIPUTRA WAHYUDA MEISA DINING Tayibnapis, Achmad Sjaifudin Terananda, Nabila Zuhroh Ukhti Nurohma Rizki Utari Dewi Utari Utari Very Richardina Wahyu Setia Budi Waode Hamsia, Waode Wasilatul Murtafiah Wienda Intan Permatasari YATIM RIYANTO Youhanita, Ety Yudha Arman Zaenul Muhlisin Zahroh, Mihnatuz