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All Journal Jurnal Abdi: Media Pengabdian Kepada Masyarakat Inovasi Fisika Indonesia (IFI) Journal of Dedication in Community (JoDiC)
Nugrahani Primary Putri
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Humanities Earth & Planetary Sciences Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences Other

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Introduction to Robotics Technology for High School Students in Nganjuk Regency through Line Follower Robot Training Firdaus, Rohim Aminullah; Meta Yantidewi; Endah Rahmawati; Dzulkiflih; Muhimmatul Khoiro; Nugrahani Primary Putri
Journal of Dedication in Community Vol. 2 No. 2 (2024)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences (FMIPA) Universitas Negeri Surabaya (UNESA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jodic.v2n2.p17-24

Abstract

In the era of rapid technological advancement, mastering robotics has become crucial for the younger generation. A community service program by the Physics Study Program lecturer team of Surabaya State University introduced robotics training to high school students at SMAN 1 Nganjuk. This program aimed to foster interest in science and technology, enhance critical thinking, and develop problem-solving skills. The training included systematic steps such as needs analysis, material preparation, implementation, and evaluation. Students learned to design, assemble, and test line follower robots, integrating theory and hands-on practice to understand robotics concepts and techniques comprehensively. The program's outputs include video documentation, news articles, training modules registered as Intellectual Property Rights (IPR), and scientific articles for national journals. Supported by the Nganjuk Regency Education Office, the program aims to enhance students' technological competencies and inspire greater achievements. It also serves as a model for similar initiatives in other regions, promoting technology education development in Indonesia. Evaluation based on participant questionnaires showed positive results: understanding of material (80%), material relevance (81%), usefulness (83%), instructor quality (87%), facilities (93%), and training time adequacy (83%). Overall, the program achieved very good results, successfully engaging students and meeting its objectives.
STUDI PERBANDINGAN BAJA-LAS TIPE G300 DAN G550 DENGAN MENGGUNAKAN OPTICAL EMISSION SPECTROSCOPY (OES) DAN IMPLIKASI TERHADAP SIFAT FISIS Sya'diyah, Ainur Rofiatus; Evi Suaebah; Nugrahani Primary Putri; Fany Aditama
Inovasi Fisika Indonesia Vol. 15 No. 2 (2026): Vol 15 No 2
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v15n2.p199-205

Abstract

Abstrak Penelitian ini membandingkan komposisi kimia baja lapis aluminium seng (BjLAS) tipe G300 dan G550 menggunakan Optical Emission Spectroscopy (OES) serta menelaah kaitannya dengan perbedaan kuat tarik berdasarkan data uji tarik. Sebanyak delapan sampel, masing-masing empat untuk G300 dan empat untuk G550, dianalisis terhadap unsur karbon (C), mangan (Mn), fosfor (P), dan sulfur (S). Hasil pengukuran menunjukkan bahwa G300 memiliki rata-rata kadar C 0,0745% dan Mn 0,1562%, sedangkan G550 memiliki kadar C 0,0607% dan Mn 0,1340%. Untuk unsur pengotor, kadar P dan S pada kedua tipe masih berada di bawah batas standar yang dirujuk, dengan P sebesar 0,0213% dan 0,0158%, serta S sebesar 0,0113% dan 0,0163% untuk masing-masing G300 dan G550. Meskipun G300 memiliki kadar C dan Mn sedikit lebih tinggi, G550 menunjukkan kuat tarik rata-rata lebih besar, yaitu 694,25 MPa dibandingkan 404,25 MPa pada G300. Temuan ini menunjukkan bahwa perbedaan komposisi kimia saja belum cukup menjelaskan perbedaan sifat mekanik, karena riwayat termomekanik selama proses produksi diduga turut berperan. Metode OES terbukti efektif dan akurat dalam menganalisis komposisi unsur dengan ketelitian tinggi, yang menjadi dasar untuk kontrol kualitas dan pemilihan material dalam industri.   Abstract This study compares the chemical composition of aluminum-zinc coated steel (BjLAS/AZCS) types G300 and G550 using Optical Emission Spectroscopy (OES) and examines its relation to differences in tensile strength using supporting tensile data. Eight samples, consisting of four G300 and four G550 specimens, were analyzed for carbon (C), manganese (Mn), phosphorus (P), and sulfur (S). The results show that G300 has average C and Mn contents of 0.0745% and 0.1562%, respectively, while G550 has 0.0607% C and 0.1340% Mn. The P and S contents of both grades remain below the cited standard limits, with P contents of 0.0213% and 0.0158% and S contents of 0.0113% and 0.0163% for G300 and G550, respectively. Although G300 contains slightly higher C and Mn, G550 exhibits a much higher average tensile strength, 694.25 MPa compared with 404.25 MPa for G300. These findings indicate that chemical composition alone is insufficient to explain the mechanical-property difference; the thermomechanical history during production is likely influential. The OES method has demonstrated efficacy and precision in analyzing elemental composition, providing a foundation for quality control and material selection in industry.
POLIANILIN SEBAGAI SENSOR pH TINJAUAN LITERATUR SISTEMATIS DAN ANALISIS BIBLIOMETRIK Ayu, Alfazahra Ayu Maulidyah; Alifatul Azkia Bakhrin; Dinda Hana Murty Wardah; Evi Suaebah; Nugrahani Primary Putri
Inovasi Fisika Indonesia Vol. 15 No. 2 (2026): Vol 15 No 2
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v15n2.p166-181

Abstract

Abstrak Polianilin (PANI) merupakan salah satu polimer konduktif yang banyak diteliti sebagai material sensor pH karena sifat konduktivitasnya yang bergantung pada jumlah ion hidrogen (H⁺) di lingkungannya. Meskipun aplikasinya terus berkembang dalam bidang lingkungan, biomedis, dan teknologi fleksibel, belum ada kajian bibliometrik komprehensif yang memetakan arah dan relevansi ilmiahnya secara global. Penelitian ini bertujuan untuk menjawab: (1) bagaimana tren jumlah sitasi dari penelitian terkait sensor pH berbasis polianilin dan artikel mana yang paling berpengaruh dalam bidang tersebut, (2) apakah studi Polyaniline (PANI) sebagai sensor pH tetap menjadi topik yang relevan untuk penelitian akademis di masa depan, serta (3) bagaimana upaya penelitian saat ini didistribusikan mengenai sensor pH berbasis Polianilin dalam hal jejaring kolaborasi penulis dan peta topik penelitian berdasarkan kata kunci. Analisis dilakukan menggunakan basis data Dimensions dengan pendekatan Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) dan pemetaan visual melalui VOSviewer. Hasil menunjukkan peningkatan signifikan penelitian sensor pH berbasis PANI pada periode 2016–2019, diikuti fluktuasi hingga 2025. Meski publikasi menurun setelah 2019, tren sitasi terus meningkat, menandakan keberlanjutan relevansi akademis topik ini. Pemetaan kolaborasi mengidentifikasi klaster riset utama di Asia dan Eropa dengan pergeseran fokus dari sensor optik menuju integrasi nanokomposit dan sistem berbasis IoT. Temuan ini menegaskan meskipun laju publikasi menurun, topik ini tetap memiliki posisi strategis dalam riset material fungsional. Pengembangan masa depan berpotensi difokuskan pada peningkatan sensitivitas, stabilitas jangka panjang, integrasi dengan teknologi nirkabel dan perangkat pintar untuk mendukung sistem pemantauan lingkungan dan biomedis berkelanjutan.   Abstract  Polyaniline (PANI) is one of the most widely studied conducting polymer for pH sensing applications due to its conductivity, which depends on the concentration of hydrogen ions (H⁺) in its environment. Although its applications continue to expand in environmental monitoring, biomedical systems, and flexible technologies, no comprehensive bibliometric study has yet mapped its global scientific relevance and research trajectory. This study aims to address: (1) how citation trends of studies on polyaniline-based pH sensors have evolved and which articles have been the most influential in the field, (2) whether research on Polyaniline (PANI) as a pH sensor remains a relevant topic for future academic investigation, and (3) how current research efforts on PANI-based pH sensors are distributed in terms of author collaboration networks and keyword-based topic mapping. The analysis was conducted using the Dimensions database, applying the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) approach and visual mapping through VOSviewer. Results reveal a significant increase in PANI-based pH sensor research during 2016–2019, followed by fluctuations up to 2025. Although publication output declined after 2019, citation trends continued to rise, indicating the sustained academic relevance of this topic. Collaboration network mapping identified major research clusters in Asia and Europe, with thematic shifts from optical sensors toward nanocomposite integration and IoT-based systems. These findings confirm that despite the decline in publication rate, this topic remains strategically positioned within functional material research. Future directions are expected to focus on improving sensitivity, long-term stability, and integration with wireless and smart technologies to support sustainable environmental and biomedical monitoring systems.
Co-Authors Abdul Kholiq, Alifatul Azkia Bakhrin Ayu, Alfazahra Ayu Maulidyah Dinda Hana Murty Wardah DZULKIFLIH Endah Rahmawati Evi Suaebah Fany Aditama Firdaus, Rohim Aminullah Ika Nurjanah IMA LUTFIANA Lela Agustina LINDA MEI RESTIANA Lydia Rohmawati Lydia Rohmawati Meta Yantidewi Muhimmatul Khoiro NURVITA WIDIYANTI RIA DWI IZHYANTI ROSYI AVIVA LYDIA DA VEGA Sya'diyah, Ainur Rofiatus TIARA SARAH DEWI Woro Setyarsih Woro Setyarsih