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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 Edufisika: Jurnal Pendidikan Fisika 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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Soil Quality of Maize and Chili Plants Based on Soil pH in Gemuhblanten Village Nafisah Irfani Setiasiwi; Fianti Fianti; Ian Yulianti
Physics Communication Vol. 9 No. 1 (2025): February 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v9i1.15103

Abstract

Soil pH is an indicator of soil quality that is important to note because it  affects the balance of nutrients in the soil. This is important, especially to maintain the fertility of agricultural land. The purpose of this study was to analyze soil quality based on the soil pH of maize and chili plants. The research sample was taken on the agricultural land of Gemuhblanten Village, Gemuh District, Kendal Regency ins October 2022. Sampling was carried out at six points on each of the maize and chili field. The initial pH data obtained was then averaged. It was obtained that the average soil pH of maize plants was 7.75 which was in the "slightly alkaline" criteria. The average soil pH of chili plants is 7.08 which is a "neutral" criterion The soil pH value for maize plants is slightly higher than the good soil pH for maize plants. Meanwhile, the pH of the soil in chili plants meets a good soil pH value for chili plants.
BAHAN IMPLANT TULANG BIOACIVE GLASS DARI LIMBAH AMPAS TEBU DAN LIMBAH CANGKANG TELUR : BAHAN IMPLAN TULANG KACA BIOAKTIF DARI SAMPAH TEBU DAN SAMPAH KULIT TELUR Nafiusokhib, Nafiusokhib; Marwoto, Putut; Nurbaiti, Upik; Astuti, Budi; Fianti, Fianti; Yulianto, Agus
EduFisika: Jurnal Pendidikan Fisika Vol 9 No 3 (2024): EduFisika: Jurnal Pendidikan Fisika Volume 9 Nomor 3 December 2024
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59052/edufisika.v9i3.38176

Abstract

Sugarcane bagasse and eggshell waste are common types of waste found in Indonesia. This article introduces an innovation to utilize these two waste materials as bone implant materials, offering a way to increase their economic value. Bone implant materials primarily consist of SiO2 and CaO, both of which can be derived from sugarcane bagasse and eggshell waste. The process of making bone implants begins with the purification of sugarcane bagasse and eggshell waste to produce SiO2 and CaO compounds. Characterizations conducted at each stage of the reaction process in this research include FTIR, XRD, and SEM.The purification of sugarcane bagasse into SiO2 is carried out using a hydrothermal reaction, while the purification of eggshell waste is performed using the calcination method. Once the high-purity raw materials are obtained, the process continues with the production of bioactive glass. Bioactive glass is a biomatrix material used as a bone implant material. Its composition requires SiO2 = 45%, Na2O = 25%, CaO = 25%, and P2O5 = 5% (weight/weight). The sol-gel method is employed to produce the bioactive glass.After the bioactive glass material is produced, it is further characterized to evaluate its structure and properties. Additionally, bioactivity testing is conducted using SBF (Simulated Body Fluid) to ensure its safety when used as a bone implant and its interaction with body tissues.
Sebuah Tren Penelitian Laboratorium Virtual Berbasis STEM dalam Pembelajaran Sains dan Dampaknya terhadap Keterampilan Proses Sains melalui Analisis Bibliometrik (2020-2024) dan Kontribusi Indonesia Bunaya Hanif Wintribrata; Dyah Rini Indriyanti; Fianti Fianti
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.10692

Abstract

This paper aims to analyze the scientific trend of research on the impact of virtual laboratories on STEM-based science learning and their influence on students' science process skills through bibliometric study and to explore how the contribution of Indonesian researchers in the Scopus database from 2020 to 2024. The sample was composed of 7 documents in total. The results revealed that scientific publication on the impact of virtual laboratories on STEM-based science learning and their influence on students' science process skills has been increasing. In the last five years, seven countries have contributed to writing journal articles related to on the impact of virtual laboratories on STEM-based science learning and their influence on students' science process skills. The seven countries are Indonesia, Brazil, Rwanda, Zimbabwe, the United States, Spain, and Mexico. There is one journal from Indonesia that discusses on the impact of virtual laboratories on STEM-based science learning and their influence on students' science process skills in the last five years, namely a journal written by Usman et al. (2021) and published in the Journal of Physics: Conference Series, Yogyakarta State University, Indonesia. The research findings could aid related researchers to recognize the trend of impact of virtual laboratories on STEM-based science learning and their influence on students' science process skills research globally and recommend directions for further research.
THE EFFECT OF DEPOSITION TEMPERATURE ON Cu2ZnSnS4 (CZTS) THIN FILMS GROWN BY DC MAGNETRON SPUTTERING Fianti, Fianti; Mulia, Shila Artha; Sari, Nabila Rizkina; Firdhosiyah, Siti; Astuti, Budi; Marwoto, Putut; Kim, Kyoo Ho; Amal, Muhammad Ikhlasul; Muslih, Ersan Yudhapratama
Indonesian Physical Review Vol. 9 No. 2 (2026)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v9i2.616

Abstract

Cu₂ZnSnS₄ thin films were successfully deposited on soda lime glass substrates using the DC Magnetron Sputtering method at a plasma power of 42 W, an argon gas pressure of 500 mTorr, and deposition temperatures ranging from 27 °C to 400 °C for 7 hours, using a Cu₂ZnSnS₄ target with 99% purity. The effect of varying temperatures was characterized by using X-ray Diffraction (XRD) to determine the film structure, Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (SEM-EDX) to analyze morphology and composition, and UV-Vis-NIR spectrophotometry to evaluate optical properties. Film composition showed non-stoichiometric characteristics, with elemental ranges of Cu (20.66–32.81) %, Zn (14.08–25.67) %, Sn (21.87–37.05) %, and S (25.42–31.22) %. All samples exhibited a Cu/(Zn+Sn) ratio of less than 1, indicating Cu-poor compositions typical of p-type semiconductors. XRD analysis revealed that the formation of the Cu₂ZnSnS₄ phase began at a deposition temperature of 100 °C, while stable kesterite Cu₂ZnSnS₄ crystals were obtained at 400 °C, corresponding to the (112) crystal plane. The absorption coefficients and band gap energies ranged from 10⁴ to 10⁵ cm ¹ and from 1.34 to 2.175 eV, respectively, confirming the suitability of the films for solar cell applications. SEM observations indicated that higher deposition temperature promoted more successful grain growth. Overall, higher deposition temperatures yield better Cu₂ZnSnS₄ thin films.
Co-Authors Abu Sahmah Mohd Supaat Agus Yulianto Aji Purwinarko, Aji Al Aziz, Sofyan Amal, Mohammad Ikhlasul Amal, Muhammad 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 Bunaya Hanif Wintribrata 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 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 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 Mulia, Shila Artha Munawaroh, Rosyidatul Muslih, Ersan Yudhapratama Mutiarani, Azizah Nafisah Irfani Setiasiwi Nafiusokhib, Nafiusokhib 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 Sari, Nabila Rizkina Setyanugraha, Noval Siti Khodijah Afsas siti maimanah Sugianto - Sugianto Sugianto Sugiyanto - Suharto Linuwih Sujarwata Sujarwata Sulhadi - 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 Yeni Rima Liana Yuliana Yuliana Zhafirah, Azizah