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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Applied Power Engineering (IJAPE) International Journal of Advances in Applied Sciences ILMU KELAUTAN: Indonesian Journal of Marine Sciences TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro BERKALA FISIKA TRANSIENT: Jurnal Ilmiah Teknik Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika JURNAL NASIONAL TEKNIK ELEKTRO Proceeding of the Electrical Engineering Computer Science and Informatics TRANSISTOR Elektro dan Informatika Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Elektrika MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi)
Mochammad Facta
Electrical Engineering Department, Universitas Diponegoro, Semarang – Indonesia
Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics

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Journal : BERKALA FISIKA

 1 
ELECTRIC FIELD CONTOURS IN NON-UNIFORM ELECTRODE SHAPE Umiati, Ngurah Ayu Ketut; Facta, Mochammad
BERKALA FISIKA Vol 23, No 4 (2020): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

Silent discharge is well known method to initiate plasma reaction because initial  discharge is easily triggered by implementing high voltage to the pair of coupled electrodes with a distance. However,  it  is  very  difficult  to  determine  the  exact  amount  of  the  voltage  that  initiates  the discharge.  There  are  many  factors  influence  the  condition  of  initial  discharge  such  as dimensions,  type  and  geometrical  shapes  of  electrode,  thickness  of  insulation,  and  type  of electric field inside the gap between the electrodes. To obtain lower initial discharge voltage, it is urgent to find the best electrode shape producing electric field contours in line with electron emission triggering. This work examines the behavior of electric field and the applied voltage surrounding  electrodes  by  investigating  the  mathematical  expression  for  given  voltage  and generated  electric  field.  The  mathematical  relationship  then  gives  a  basis  of  theoretical background for electric field contours of two shape electrodes. It is also well known that among many electrodes, the non-uniform geometrical shape is preferred to initiate electric field easily. In this study, a hole shape and a bulge type electrode are investigated.Keywords: silent discharge, electric field, differential equation, electrode shape 
DETERMINATION OF THICKNESS AND OPTICAL BAND GAP OF POLYANILINE NANOFIBERS Ketut Umiati, Ngurah Ayu; Setiawati, Evi; Facta, Mochammad
BERKALA FISIKA Vol 24, No 3 (2021): Berkala Fisika
Publisher : BERKALA FISIKA

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The study observed the thickness and optical band gap of polyaniline nanofiber (PNF). PNF in this study is synthesized by the interfacial polymerization method in Toluene Aniline 0.31 with the APS 4mmol dopant HCl solution with molarity between 1 M to 3 M. The synthesis results obtained were characterized by UV-Vis scanning spectrophotometer. The thickness and absorption coefficient (α) is observed by Swanepoel method and Beer–lambert’s relation, respectively. The optical band gap is observed from extrapolation versus  . The results of this study indicate that the molarity of dopants affect the thickness layer and optical band gap of the material.
Co-Authors A. Warsito A. Warsito Abda Abda Abdul Syakur Abdurrahman, Fauzan Haidar Abrianto, Bagus Hari Adam Kusuma Wardana Adhi Warsito Adhitya Sukma Wijaya Aditya Mahendra Aggie Brenda Verdandez Agrial Sunahtul Putra Agung Warsito Agustinus Danu N, Agustinus Danu Airlangga Avryansyah Akbar, Airlangga Avryansyah Aivelia Mualifatul Risca Akhmad Fauzi Alga Bagas Setiawan Ali Fathin Naufal, Haidar Alief Makmuri Hartono Alvian Dwi Hendrawan Andi, Heri Andromeda, Trias Anggiawan, Iqba Anggit Suko Pandu, Anggit Suko Anggun Purnomo Anindita Singgih Pambudi, Anindita Singgih Aptono. T.Y Aptono. T.Y Ardian Trilaksono, Ardian Ardiansyah, Regas Aris Triwiyatno Arsadiando, Watra Atmojo, Kusumo Tri Ayu Adinda Putri, Ayu Adinda Bagas Pradana, Byan Bambang Nugrahadi P, Bambang Nugrahadi Bambang Winardi Bhagaskara, Rhama Bimatara, Tofan Biyan Suhardianto, Biyan Budi Perkasa, Sidiq Buntat, Zolkafle Buntat, Zolkafle cahyadi cahyadi Cahyadi, Lukman Wira Corina, Vinda Zahrotul Daniswara Ardy Putra, Daniswara Ardy Dedy Brian Ericson, Dedy Brian Demas Dwiyan Wahyanto, Demas Dwiyan Denis Denis Dionisius Vidi Nugraha Donny A.W. EDI SARWONO Eflita Yohana Eko Aptono Tri Yuwono Eko Setiawan Enda Wista Sinuraya Evi Setiawati Faisal Aji Syafriarso, Faisal Aji Fajar, Muhammad Rizky Fajar, Siddiq Al Fariz, Fiqih Anugerah Fauzan, Mochamad Irfani Frediansyah, Andy G.R. Arab Markadeh Galih Pinaryoga, Galih Gigih Mahartoto P Ginting, Denis Gultom, Berzelius Octa Natanael Guskha, Vitra Yudarma Hendra Fadholi Adi Prabowo, Hendra Fadholi Hendril Satrian Purnama Hermawan Hermawan Hermawan Hermawan Ilmanda Hermawan, Hermawan Heru Pujiyatmoko Hia, Berkat Surya Putra Hikma Sisintito I Ketut Suada I., M. Lutfi Ibnu Salam, Ibnu Idreis Abdualgader Ilham Bayu Pratama Putra Ilham Prima Yudhanto Imam Syafi’i Irpan Logitra Purba Isnaeni Romadhon, Mohamad Iwan Setiawan Iwan Setiawan Jayabadi, Dennis Satria Wahyu Johanes Nugroho Adhi Prakosa Joko Susilo Juli Setiawan, Juli Juningtyastuti Juningtyastuti Karnoto . Karo, Tio Vanny Br Koesputra, Mohammad Fadhil Kusuma, Muhamad Panji Lina Handayani Lutfi Lastiko Wibowo M Anantha B P M. Azamul Faiz Dinul Haq, M. Azamul Faiz Dinul M. Hasbi Hazmi B., M. Hasbi Mahadi Prasetyawan Marco Arief Juarsah, Marco Arief Maria Oktavia Fitriyani, Maria Oktavia Masaji, Masaji Mashduuqi, Ali Milzam Andali Lababan, Milzam Andali Moh. Izzul Azmi Mohamad Irfan Anshari, Mohamad Irfan Mohamad Isnaeni Romadhon Muhamad Hami Pradipta Muhammad Arief Nugroho Muhammad Fauzan Suryawijaya Muhammad Iklil, Muhammad Muhammad Yudi Nugroho, Muhammad Yudi Muhammad Zainuri Munawar Agus R Munawar Agus Riyadi Muttaqin, Syaoqi Ngurah Ayu Ketut Umiati Ngurah Ayu Ketut Umiati Ni’am, Muhammad Aulan Nugraha Luis Heriawan, Nugraha Luis Nugroho, Bayu Seno Adi Nuryono Satya Widodo Pambudidoyo, Hilman Pamungkas, Deny Fajar Pandita Margayu, Pandita Parmonangan, Samuel Pirdion Pradana, Byan Bagas Pradipta, Adya Pramudya Nur Perdana Prasdiatmaja, Riswandha Prasetya, Agysta Rama Prastiyonoaji, Arifna Dwi Priambodo, Andhika Rizki Prihananto, Pratama Ludfia Dendi Purba, Mesrika Purnama, Hendril Satrian Purnama, Hendril Satrian Putra, Azan Rahmadian Radiktyo Nindyo Sumarno Rahmana, Arsyad Sila Ramadhani, Ahmad Zaki Ranisa Ranisa, Ranisa Razali Ngah Reza Heryanto S, Reza Heryanto Ridlwan Zein W N Rismanto Arif Nugroho Ritonga, Seno Yudho Panggayuh Riza Arif Pratama Rizal Fajar Abdurrahman Rizki Nurilyas Ahmad Rizky Adi Nugraha Rizky Patra Jay, Rizky Patra Romadhon, Mohamad Isnaeni S., Sefanda Dwi Safarul Azmi Sakti Pancar Emak Salam, Zainal Salam, Zainal Sandra Aditya Kurniawan Satrio Wibowo Setiyo Nugroho Siwi, Yordan Raka Slamet . Sudantoko, Eri Sudjadi Sudjadi ., Sudjadi Sudjadi Sudjadi Sulistomo, Pinandito Suryo Sardi Atmojo, Suryo Sardi Susatyo Handoko Suslamet Suslamet Suyanti, Tri Yuli Syauqie Candra Buana, Syauqie Candra Tamin, Achmad Faizal Tan, Chee Wei Taruna Miftah Isnain, Taruna Miftah Tatas Ardhy Prihanto, Tatas Ardhy Taufik Ardian Ramadhana, Taufik Ardian Taufik Chemistryadha Wijaya Tawakal, Panji Tedjo Sukmadi Teguh Prakoso Tejo Sukmadi Tharek A. Rahman Tole Sutikno Tri Hutomo Tri Wahono Tri Wahono Trias Andromeda Turinno, Sarwo Wahono, Tri Wahyu Arief Nugroho Wahyu Prasetya, Wahyu Wahyu Sapto Aji Wibisono, Ariangga Bagas Widiyanto, Romualdy Windarta, Jaka Yoga Fajar Setiaji Yuningtyastuti Yuningtyastuti Yusuf Dewantoro Herlambang Z., Ajub Ajulian Zainal Salam Zainal Salam Zainal Salam Zainal, Ahmad Rizky Zardi, Arief Rahman Zolkafle Buntat Zolkafle Buntat Zolkafle Buntat