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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Sains Dasar TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Riset dan Kajian Pendidikan Fisika Jurnal Bahan Alam Terbarukan JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Jurnal Inovasi Pendidikan IPA Journal of Natural Sciences and Mathematics Research Unnes Science Education Journal Jurnal Voering Jurnal Penelitian Pendidikan IPA (JPPIPA) EnviroScienteae Journal on Education UPEJ Unnes Physics Education Journal Journal of Innovative Science Education Indonesian Physical Review Physics Education Research Journal Jurnal Penelitian Fisika dan Terapannya (JUPITER) Abdimasku : Jurnal Pengabdian Masyarakat Physics Communication Journal of Research and Educational Research Evaluation Jurnal Penelitian Pendidikan UPEJ : Unnes Physics Education Journal Indonesian Journal of Mathematics and Natural Sciences Physics Communication
Fianti Fianti, Fianti
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Kisi Difraksi Sederhana Berbasis Alam : Bawang Daun (Allium fistulosum) dan Jantung Pisang (Musa paradisiaca) Nafisah, Durrotun; Mutiarani, Azizah; Hakim, Luqman; Marwoto, Putut; Fianti, Fianti; Subali, Bambang
UPEJ Unnes Physics Education Journal Vol 10 No 1 (2021)
Publisher : UPEJ Unnes Physics Education Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/upej.v10i1.46648

Abstract

Diffraction is one of the properties of light in the form of a bending event in the direction of the propagation of the waves through a narrow gap. Research on natural materials as an alternative to grating has been carried out with varying results. Natural ingredients in the form of scallion stems (Allium fistulosum) and banana heart (Musa paradisiaca) were chosen as the diffraction lattice preparations because they have fibers that resemble scratches on the diffraction grating produced by factories. Special care is given to each preparation to obtain the fiber. By using Tracker and analysis of the level of accuracy, the results obtained value m, and an accuracy of 95.81% for the diffraction grating of scallion stems, and the value of d = and accuracy of 90.01%. The results of this study indicate that scallion stalks and banana blossoms have potential and can be used as diffraction grating to explain light diffraction phenomena.
Study of Sun Protection Factor (SPF) Batik Textile Fabric on Solar Radiation in Pekalongan Liana, Yeni Rima; Baiti, Upik Nur; Fianti, Fianti
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) 2021: Articles in Press
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v11n1.p%p

Abstract

AbstractThe amount of sunscreen ability is determined through the value of a person's Sun Protection Factor (SPF) when under the sun without experiencing sunburn. This study aims to measure the intensity of sunlight received by batik textile fabrics and SPF measurements to determine the ability of these fabrics to protect sunlight radiation. The research was conducted at the Sorogenen area in Pekalongan City. Intensity data collection is done during sunny weather with temperatures of 300C - 320C from 10.00 to 14.00 WIB. The SPF value can be calculated by comparing the intensity of sunlight without a protective batik cloth with the intensity of sunlight with a protective cloth. The intensity of the average in the range of 10:00 to 14:00 WIB is 85.160 lux to 113.400 lux.  The  results obtained by fabric with a thickness of  2 mm have a SPF greater than fabric with a thickness of 1 mm. Cotton fabric has the ability to protect against sunlight better than satin and mori cloth. The largest SPF value is owned by a blue cotton cloth with a thickness of 2 mm of 36,06. While the smallest SPF value is owned by yellow cloth with a thickness of 1 mm of 5,24.
THE ANALYSIS OF THINKING AND CREATIVITY SKILLS OF JUNIOR HIGH SCHOOL STUDENTS USING SCIENCE, TECHNOLOGY, AND SOCIETY APPROACH IN SCIENCE LEARNING Fianti, Fianti; Rulyaimah, Rulyaimah; Susanto, Hadi
Unnes Science Education Journal Vol 7 No 1 (2018): February 2018
Publisher : Department of Integrated Science, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang in Collaboration with Perkumpulan Pendidikan IPA Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/usej.v7i1.23836

Abstract

The ability to think creatively in improving the quality of education is considered as a very vital source for a nation. If carefully observed, education development efforts have not been optimal, it is because the teacher does not know the extent to which student’s creative thinking ability. Therefore, in certain subjects (IPA) that require high creative thinking skills, there are still many students who lack value. The aims of the study are to determine the ability of creative thinking and the influence of learning models of Community Technology Science (CTS) in improving the creativity of junior high school students on global warming materials. The research design used is descriptive quantitative. The population in this study are students of class VII SMP N 1 Jakenan. The sample is determined by purposive sampling. Test methods, observations, and questionnaires were used to collect research data. The results showed that students creative thinking ability using CTS model for high category was 12%, medium 65%, and low 23% based on test, while for creative attitude, 100% of students were in medium category. CTS models influence on the ability of creative thinking of students increased by 6%.
OFET Preparation by Lithography and Thin Film Depositions Process Sujarwata Sujarwata; Fianti Fianti; Langlang Handayani; Aji Purwinarko; Susilo Susilo
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 1: February 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i1.6544

Abstract

The length of the channel OFET based thin film is determined during preparation takes place using the technique of lithography and mask during the metal deposition process. The lithography technique is the basic process steps in the manufacture of semiconductor devices. Lithography is the process of moving geometric shapes mask pattern to a thin film of material that is sensitive to light. The pattern of geometric shapes on a mask has specifications, as follows: long-distance source and drain channels varied, i.e. 100 μm, the width of the source and drain are made permanent. Bottom contact OFET structure has been created using a combination of lithography and thin film deposition processes.
Critical Condition in CuInAlSe2 Growth of Solar Cell Absorber Sujarwata Sujarwata; Fianti Fianti; J.Y. Jung; S.H. Lee; K.H. Kim; M.I. Amal
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 14, No 3: September 2016
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v14i3.3644

Abstract

CuInAlSe2 (CIAS) thin films were prepared using pulsed laser deposition (PLD) and selenization. The PLD process utilized a certain kind of stacking order to deposit elemental films on glass substrates, layer by layer, for precursor preparation. They were designed to be Al- and Cu-deficient and selenized using two different heat treatment steps. According to its precursor compositional ratio, stacking order, and heat treatment, each CIAS film showed different properties and a critical condition. The crystalline phases, compositional ratio, morphology, and optical-electrical properties of the CIAS films are discussed here.   
IDENTIFICATION OF 3D LEACHATE DISTRIBUTION IN SEMARANG STATE UNIVERSITY LANDFILL Tri Mugirahayu; Supriyadi Supriyadi; Fianti Fianti
Jurnal Sains Dasar Vol 5, No 1 (2016): April 2016
Publisher : Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (675.438 KB) | DOI: 10.21831/jsd.v5i1.12660

Abstract

Abstract Waste management system at Semarang State University (UNNES) landfill implements a system of open dumping located in Banaran, Gunungpati, Semarang City. Data from Conservation Team UNNES on December 28, 2010 about the volume of waste per day from UNNES showed that the majority of waste is organic waste. This study aims to determine of 3D distribution leachate. Resistivity geoelectrical method Schlumberger configuration is used to indicate leachate. Data collection was performed three tracks, which three tracks parallel East-West direction, with a path length of 75 m each. The profile of leachate water in the surrounding area of UNNES landfill can be observed ± 20 m depth from the surface. Data processing was performed using software Res2Dinv, Surfer 10.0, and RockWorks 15. Based on the results, resistivity of leachate is 1,87-9,9 Ωm with the direction of flow to a lower elevation areas. Keywords: geoelectrical, leachate, resistivity, Schlumberger's configuration
Pemanfaatan daun sereh (Cymbopogon citratus) dan lidah mertua (Sansevieria trifasciata) sebagai kisi difraksi sederhana berbantuan tracker Azizah Mutiarani; Durrotun Nafisah; Putut Marwoto; Bambang Subali; Fianti Fianti; Luqman Hakim
Jurnal Riset dan Kajian Pendidikan Fisika Vol 8, No 1 (2021): April 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/jrkpf.v8i1.19434

Abstract

Abstrak. Gelombang cahaya yang mengalami pelenturan ketika melewati sebuah celah sempit disebut dengan fenomena difraksi. Fenomena difraksi dapat dilihat dengan melakukan eksperimen sederhana menggunakan bahan alam. Penelitian ini menggunakan kisi berbahan daun sereh (Cymbopogon citratus) dan tanaman lidah mertua (Sansevieria trifasciata) dengan menggunakan laser merah (λ = 632,8 nm) dengan beberapa variasi jarak kisi terhadap layar. Pola difraksi dianalisis menggunakan perangkat lunak Tracker. Hasil penelitian ini menunjukkan bahwa kisi difraksi menggunakan daun sereh dan lidah mertua menunjukkan fenomena difraksi cahaya sehingga dapat digunakan sebagai kisi difraksi sederhana berbahan alam dengan nilai d=(34.20 +/- 7.86) x 10^-6 m dan d=(62.50 +/- 13.60) x 10^-6 m pada kisi difraksi tanaman lidah mertua. Abstract. The light waves which flex when they pass through a narrow gap are called diffraction. The diffraction phenomenon can be seen by conducting simple experiments using natural materials. This study used a diffraction grating made from lemongrass leaves (Cymbopogon citratus) and sansevieria (Sansevieria trifasciata) using a red laser (λ = 632.8 nm) with several variations in the distance of the diffraction grating to the screen. The diffraction patterns were analyzed using Tracker software. The results of this study show that the diffraction grating using lemongrass leaves and sansevieria  show the phenomenon of light diffraction so that it can be used as a simple diffraction grating made from natural ingredients with values d=(34.20 +/- 7.86) x 10^-6 m of lemongrass leaves and d=(62.50 +/- 13.60) x 10^-6 m for the diffraction grating of the sansevieria.
Study of Sun Protection Factor (SPF) Batik Textile Fabric on Solar Radiation in Pekalongan Yeni Rima Liana; Fianti Fianti; Upik Nurbaiti
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 11 No. 1 (2021)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v11n1.p39-49

Abstract

The amount of sunscreen ability is determined through the value of a person's Sun Protection Factor (SPF) when under the sun without experiencing sunburn. This study aims to measure the intensity of sunlight received by batik textile fabrics and SPF measurements to determine the ability of these fabrics to protect sunlight radiation. The research was conducted at the Sorogenen area in Pekalongan, Central Java. The intensity data collection is done during the sunny weather with 300C - 320C temperature. The SPF value is calculated by comparing the intensity of sunlight without and with a protective batik cloth. Between 10:00 a.m. and 2:00 p.m. (GMT +7), the average intensity is 85.160 lux to 113.400 lux. The results obtained by fabric with a thickness of 2 mm have an SPF greater than fabric with a thickness of 1 mm. Cotton fabric has the ability to protect against sunlight better than satin and Mori fabric. A blue cotton cloth owns the most significant SPF value with a thickness of 2 mm of 36.06. In comparison, the smallest SPF value is owned by yellow Mori fabric with a thickness of 1 mm of 5.24.
Characterization of Temperature Response of Asymmetric Tapered-Plastic Optical Fiber-Mach Zehnder Interferometer Ian Yulianti; Ngurah Made Darma Putra; Fianti Fianti; Abu Sahmah Mohd Supaat; Helvi Rumiana; Siti Maimanah; Kukuh Eka Kurniansyah
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 10 No. 1 (2020)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v10n1.p34-43

Abstract

Temperature measurement is important in various applications; therefore, various temperature sensors have been developed. Due to its advantages, many optical fiber-based temperature sensors have been proposed. The wavelength modulation-based optical sensor is interesting due to high accuracy. However, the complex fabrication process and high cost limit the advantages of the sensors. Therefore, we proposed a simple and low-cost Mach Zehnder interferometer (MZI) sensor using step-index plastic optical fiber (SI-POF). Performance characterization of the sensor to temperature variation is presented. The sensor consists of two tapers at several distances, forming an interferometer. The first taper was designed to be steep to allow excitation of cladding modes, while the second taper was gradual to suppress power loss. Characterizations were done in terms of sensitivity, hysteresis, and repeatability by analyzing the output spectrums recorded by the spectrometer at various environment temperatures, 35oC to 85oC, with an increment of 10oC. The results showed that the sensor has a sensitivity of 0.0431 nm/oC and a correlation coefficient of 0.9965. Hysteresis of 6.9×10-3 was observed. In terms of repeatability, the sensor shows a maximum deviation, ±3oC, which was mainly resulted from the fluctuation of the oven temperature. Despite its high deviation, the sensor has advantages of simple fabrication, low cost, robust, and low power loss, which make it a good candidate for temperature sensors.
Pengaruh Spektrum Cahaya Terhadap Perkecambahan Kacang Hijau (Vigna radiata) Dwi Indah Lestari; Laily Nur Azizah; Khoiru Ainin Nisa; Upik Nurbaiti; Fianti Fianti
Jurnal Penelitian Fisika dan Terapannya (JUPITER) Vol 3, No 1 (2021): Jurnal Penelitian Fisika dan Terapannya (JUPITER)
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/jupiter.v3i1.5986

Abstract

Tanaman kacang hijau termasuk suku polong polongan fabaceae yang memiliki manfaat sebagai sumber bahan pangan berprotein nabati tinggi dan merupakan salah satu komoditas pangan ketiga setelah kedelai dan kacang tanah. Tujuan dari penulisan artikel ini adalah untuk menentukan spektrum warna yang efektif untuk mempercepat pertumbuhan benih tanaman kacang hijau melalui indikasi panjang batang, jumlah dau, serta perhitungan panjang gelombang spektrum yang digunakan selama 4 hari penelitian. Data didapatkan diolah dalam bentuk tabel dan grafik pertumbuhan batang dan banyaknya daun yang dihasilkan oleh benih kacang hijau. Hasil dari analisis data menyatakan bahwa spektrum warna merah merupakan spektrum yang paling efektif untuk pertumbuhan tanaman dibanding dengan spektrum warna jingga, hijau maupun biru.
Co-Authors Abu Sahmah Mohd Supaat Agus Yulianto Aji Purwinarko, Aji Al Aziz, Sofyan Amal, Mohammad Ikhlasul Anak Agung Gede Sugianthara Ani Rusilowati Asih, Nur Fitri Asmaul Husna Azizah Mutiarani Azizah Zhafirah Badrul Munir, Badrul Baiti, Upik Nur Bambang Subali Budi Astuti Budi Astuti Candra Dewi Cholis, Muhammad Ridwan Nur Darsono, Teguh Didik Aryanto Didik Aryanto Durrotun Nafisah Durrotun Nafisah Dwi Indah Lestari DWI YULIANTI Dyah Rini Indriyanti Edi, Sukiswo Supeni Edy Cahyono Effendy, Suhardi Ellianawati, Ellianawati Etik Irawati Fariyya, Dewi Raokhil Iklima Fatmala, Rita Iva Firdhosiyah, Siti Gelu, Afrianus Givarin, Delvananta Hadi Susanto Hammam, Hammam Helvi Rumiana Henny Indah Pratiwi Hidayah, Rizki Roqissatul Hidayat, Sony Husna Arifah, Husna Ian Yulianti Ian Yulianti, Ian Iis Widya Harmoko, Iis Widya J.Y. Jung K.H. Kim Karimah, Naelatul Khoiru Ainin Nisa Khumaedi - Kim, Kyoo Ho Kukuh Eka Kurniansyah Kurniansyah, Kukuh Eka Laily Nur Azizah Langlang Handayani Leonardy, Joshu Liana, Yeni Rima Luqman Hakim M.I. Amal maimanah, siti Masturi Masturi Mufatihah, Nishfa Mugi Lestari Muhammad Rasyid Ridla, Muhammad Rasyid Munawaroh, Rosyidatul Mutiarani, Azizah Nafisah Irfani Setiasiwi Neratania, Alvina Ngurah Made Dharma Putra Nisa, Narita Ainun Nugroho, Krisna Ardi NUR HAMID Nur Hamid Nurcahya, Mufid Eska Nurmaya, Eka Pakungwati, Intan Fauziyyah Paminto, Joko Prayogo, Defrian Putra, Ngurah Made Darma Putra, Ngurah Made Dharma Putut Marwoto Rachmawati, Sekar Rohim, Ahmad Minanur Rulyaimah, Rulyaimah Rumiana, Helvi S Sulhadi S.H. Lee Salim, Salisa Yumna Setyanugraha, Noval Siti Khodijah Afsas siti maimanah Sugianto - Sugianto Sugianto Sugiyanto - Suharto Linuwih Sujarwata Sujarwata Sulhadi - Sunarno Sunarno Supa’at, Abu Sahmah Mohd Supriyadi Supriyadi Susilo Susilo Sutikno Madnasri Sutikno Sutikno Swastika Ramadhanty Eka Putri Tri Mugirahayu Triwidianingsih, Novita Uding, Risnawati Ukhti Mutia Munifatuzzahroh Ulpha, Ramadhani Andrawina Upik Nurbaiti Utomo, Galih R. Utomo, Galih Ridho Utomo W. P, Wasi Sakti Wintribrata, Bunaya Hanif Yeni Rima Liana Yuliana Yuliana Zhafirah, Azizah