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All Journal VALENSI Indonesian Journal of Applied Sciences POSITRON Jurnal Ilmu Administrasi Bisnis Jurnal Tata Kota dan Daerah Journal of Engineering and Technological Sciences Chimica et Natura Acta Spektra: Jurnal Fisika dan Aplikasinya Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Inovasi Ilmu Sosial dan Politik Jurnal Fisika Indonesia Buguh: Jurnal Pengabdian Kepada Masyarakat Automotive Experiences PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) JUSTI (Jurnal Sistem dan Teknik Industri) Jurnal Penelitian Ilmu Pendidikan Indonesia Jurnal Material dan Energi Indonesia Jurnal Ilmu dan Inovasi Fisika Jurnal Ilmiah Ekonomi dan Manajemen Jurnal Pendidikan Guru Madrasah Ibtidaiyah Al-Amin Jurnal Indonesia : Manajemen Informatika dan Komunikasi Harmoni Sosial : Jurnal Pengabdian Dan Solidaritas Masyarakat Escalate : Economics and Business Journal Jurnal Pendidikan Dasar dan Keguruan Jurnal Cahaya Edukasi
Sahrul Hidayat
Universitas Padjadjaran
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Multidimensional Student Development in Elementary School Sri Amelia; Hidayat, Sahrul; Nurfalah, Silmi; Kholifah, Siti Nur; Mustikaati, Wina
Jurnal Pendidikan Dasar dan Keguruan Vol 10 No 02 (2025): Volume 10 Nomor 2 2025
Publisher : Universitas Islam Ahmad dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47435/jpdk.v10i02.3749

Abstract

Penelitian ini bertujuan untuk mengkaji pentingnya pendekatan multidimensi dalam perkembangan peserta didik di pendidikan dasar, dengan fokus pada dampaknya terhadap motivasi belajar. Menggunakan metode penelitian kualitatif deskriptif melalui studi literatur, penelitian ini mengeksplorasi berbagai aspek perkembangan peserta didik, seperti perkembangan fisik, sosial, mental, budaya, spiritual, dan intelektual. Hasil analisis menunjukkan bahwa pemahaman komprehensif tentang berbagai dimensi perkembangan mampu meningkatkan kreativitas, kesadaran sosial, kesadaran lingkungan, serta kesadaran kritis peserta didik. Selain itu, strategi pembelajaran seperti model kooperatif dinilai efektif dalam menumbuhkan kreativitas peserta didik. Penelitian ini menegaskan bahwa pendekatan multidimensi sangat penting dalam merancang program pembelajaran yang holistik, responsif terhadap kebutuhan anak, dan mendukung terciptanya lingkungan belajar yang inklusif serta kondusif. Dengan demikian, pendidikan dasar tidak hanya berfokus pada akademik, tetapi juga pada pembentukan karakter dan keterampilan sosial peserta didik secara berkelanjutan. Kata Kunci: perkembangan peserta didik, multidimensi, motivasi belajar, kreativitas, pendidikan dasar.
The Impact of Earthquake Disaster Mitigation Socialization on Improving Student Knowledge at SMAN1 Babakan Madang: Dampak Sosialisasi Mitigasi Bencana Gempa Bumi Terhadap Peningkatan Pengetahuan Siswa di SMAN1 Babakan Madang Setiawan, Cahyadi; Munandar, Aris; Ramadhoan A' Rachman , Fauzi; Wahyu Wardana, Muhammad; Salsabillah , Fadia; Divino Wibowo , Josua; Furqon, Zidan; Agusman, Ridho; Putri Maulana, Amelia; Hidayat, Sahrul
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 8 No. 6 (2024): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v8i6.21942

Abstract

SMAN 1 Babakan Madang is located in Bogor Regency, an area prone to earthquakes due to its proximity to the southern coast of Java Island and its position between three active faults: the Baribis Fault, the Citarik Fault, and the Cimandiri Fault. To mitigate risks and impacts, the PPM UNJ team provided training and simulations to enhance participants' knowledge and skills in responding to earthquakes. The impact of the knowledge enhancement was measured by the difference in average scores before and after the training. The number of participants and respondents in this activity was 55. Data analysis results showed an increase in participants' knowledge about earthquake disaster mitigation, reflected in the increase in average scores from 66.10 in the pre-test to 75.00 in the post-test, with a significance value of 0.00 obtained from the paired sample t-test
PENINGKATAN ALIH FUNGSI LAHAN MENJADI PEMUKIMAN DI KOTA TANGERANG SELATAN YANG BERDAMPAK PADA TIMBULNYA URBAN SPRAWL Kusumawati, Lia; Sadam, Sadam; Hidayat, Sahrul; Furqon, Zidan
Tata Kota dan Daerah Vol. 16 No. 1 (2024): Jurnal Tata Kota dan Daerah
Publisher : Department of Urban and Regional Planning, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.takoda.2024.016.01.3

Abstract

Tidak meratanya pembangunan dan berpusatnya kegiatan perekonomian di Jakarta, menyebabkan pertambahan penduduk di Jakarta sangat cepat. Pertumbuhan penduduk yang tidak diiringin dengan lahan untuk pemukiman menyebabkan harga tanah di Jakarta sangat mahal, hal ini menyebabkan masyarakat mencari alternatif di wilayah sub-urban yaitu Tangerang Selatan yang harga tanahnya jauh lebih murah. Dengan Tangerang Selatan yang dijadikan wilayah altenatif, menyebabkan pertumbuhan penduduk yang tidak terkendali. Untuk melihat permasalahan pertumbuhan penduduk yang tidak terkendali atau urban sprawl, peneliti menggunakan metode kuantitatif deskriptif dengan teknik analisis Normalize Difference Built-Up Index dengan membandingkan kota Tangerang Selatan dengan rentang tahun 1993-2023. Hasil menunjukan bahwa terjadi perubahan alih fungsi lahan menjadi area terbangun yang tidak terkendali dari tahun 1993-2023 sebesar 231%, yang dimana perubahan terbesar terjadi padahun tahun 2003-2013 dengan 124% perubahan, lalu diikuti tahun 2013-2023 70%, dan terakhir tahun 1993-2003 37%. Dengan nilai perubahan yang sangat besar ini, perlu peran pemerintah untuk menegaskan perarturan tata ruang kota, agar tidak terjadi permasalahan akibat pertumbuhan penduduk yang tidak terkendali.
The Influence of Online Promotion Strategy and Consumer Behavior on Purchase Interest at the Bandung City Employees Cooperative (KPKB Mart) in Bandung City Sahrul Hidayat; Asep Zulkifli Achmad
Escalate : Economics and Business Journal Vol. 3 No. 01: Intelligent Marketing and Behavioral Insights: Redefining Institutional and Organizat
Publisher : Takaza Innovatix Labs Ltd.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61536/escalate.v3i01.418

Abstract

Amid intense retail competition near Bandung City Hall, KPKB Mart faces challenges in digital promotion effectiveness despite high purchase intention among consumers. This study aims to analyze the influence of online promotional strategies and consumer behavior on purchase intention at KPKB Mart. A quantitative associative approach was employed with primary data from online questionnaires distributed to 95 consumers (convenience sampling from a 2000 population, September-November 2025). Data analysis included classical assumption tests, multiple linear regression, correlation, coefficient of determination (R²), and hypothesis testing (t-test, F-test) using SPSS. Results reveal a regression equation MB = 40.356 + 0.613SPO + 0.286PK, with strong correlations (r_SPO-MB = 0.820, r_PK-MB = 0.410), simultaneous effect (F = 78.738, p < 0.001, R² = 0.631), and partial effects (t_SPO = -12.181, t_PK = 4.634, both p < 0.001). Online promotions and consumer behavior significantly influence purchase intention, explaining 63.1% of variance. In conclusion, enhancing targeted digital promotions and understanding consumer patterns can optimize KPKB Mart's market position.
Strategi Pemasaran yang Efektif untuk Meningkatkan Penjualan di Funn Maumere Emilianus Eo Kutu Goo; Sahrul Hidayat; Nelci Elvida Klega; Asdianti Asdianti; Yusliani Julein Wole; Afdal Sayhudin
Harmoni Sosial : Jurnal Pengabdian dan Solidaritas Masyarakat Vol. 3 No. 1 (2026): Januari: Harmoni Sosial : Jurnal Pengabdian dan Solidaritas Masyarakat
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/harmoni.v3i1.2835

Abstract

This community service activity aims to strengthen the marketing strategy of FUNN Maumere as a culinary business operating in an increasingly competitive market environment. The program was conducted using a qualitative descriptive approach through field observations, interviews with business owners and employees, and direct mentoring in implementing more effective marketing strategies. The results indicate that FUNN Maumere has applied a combination of traditional and digital marketing strategies, including brochure distribution and active promotion through social media platforms such as Instagram, TikTok, and Facebook. The mentoring activities focused on optimizing digital marketing, improving service quality, and strengthening brand consistency. These efforts contributed positively to increased brand awareness, customer interest, and wider promotional reach. However, sales performance remains fluctuative due to external factors, such as weather conditions and differences in outlet location characteristics. Therefore, this community service emphasizes the importance of continuous product innovation, enhancement of customer experience, and optimization of digital marketing strategies to reduce dependency on external conditions. This activity is expected to serve as a practical reference and mentoring model for other culinary MSMEs in developing adaptive, innovative, and sustainable marketing strategies to improve competitiveness and business continuity.
Nickel/Cobalt/Manganese Influence to Coulombic/Retention/Capacity Efficiency in Light Electric Vehicle (Lev) Battery Lifecycle: Sistematic Literature Review Rahmah, Dewi Anisa; Hidayat, Sahrul
JIIF (Jurnal Ilmu dan Inovasi Fisika) Vol 10, No 1 (2026)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jiif.v10i1.68348

Abstract

The global energy transition driven by the challenges of climate change and the mitigation of greenhouse gas emissions has positioned Light Electric Vehicles (LEVs) as a strategic mobility solution in urban environments. The reliability and sustainability of LEV fundamentally depend on the optimization of lithium-ion battery technology, specifically the composition of NCM (Nickel/Cobalt/Manganase) cathode materials. This systematic literature review aims to critically analyze the relationship between the ratio of the elements Ni, Co and Mn to three electrochemical performance metrics, namely specific capacity, Coulombic Efficiency (EC) and capacity retention in the battery life cycle. The PRISMA methodology was applied to identify and screen relevant literature resulting in 12 studies that were included in the analysis. The results of the data review show that there is a fundamental performance dilemma (trade-off) in the NCM cathode. Nickel (Ni) serves as a high specific capacity driver that reaches 220 . However, the proportion of Ni-rich 0.90 to 0.95 is able to increase the sensitivity of the material thereby triggering extreme performance fluctuations and decreased retention due to cation maxing and volumetric instability of the lattice. Meanwhile, Manganase (Mn) and Cobalt (Co) act as structural stabilizers. Mn shows a U-shape performance pattern on EC and retention with a concentration of Mn 0.35 achieves an optimal EC performance of 93%. For Co, a low concentration of 0.05 provides the best balance between EC 93% and capacity retention of 95% although a peak retention point of 98% is achieved at Co 0.15.
Synthesis of Paraffin-Based Phase Change Material (PCM) Composites with Expanded Graphite as a Cooling System for Solar Panels Azka, Muhamad Fauzan; Hidayat, Sahrul; Gultom, Noto Susanto; Setianto, Setianto; Nurhilal, Otong
JIIF (Jurnal Ilmu dan Inovasi Fisika) Vol 10, No 1 (2026)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jiif.v10i1.68644

Abstract

The increase in the surface temperature of solar panels can reduce their efficiency. This issue can be mitigated through the implementation of cooling systems. One of the currently developed cooling methods involves the use of phase change materials (PCMs). Paraffin is the most commonly used PCM for solar panel cooling systems due to its melting point, which falls within the operating temperature range of solar panels. However, paraffin has a drawback in the form of low thermal conductivity. To overcome this limitation, paraffin is often composited with materials possessing high thermal conductivity, such as graphite. Graphite can also be expanded to alter its mechanical and thermal properties. The expansion of graphite using a solution of H₂SO₄ and K₂S₂O₈ can increase its surface area to 15.669 m²/g and 201.945 m²/g for 5% and 10% solid–liquid variation ratios, respectively. The addition of expanded graphite (EG) can also enhance the thermal conductivity of the PCM to 0.31 W/mK, 0.37 W/mK, and 0.44 W/mK with 5 wt%, 10 wt%, and 15 wt% EG additions, respectively. The paraffin-based PCM cooling system can reduce the average surface temperature by 15.36% and increase the overall efficiency by 0.3%. A PCM cooling system composed of paraffin and expanded graphite (95%/5%) can lower the average surface temperature by 20.32% and increase total efficiency by 0.4%. The PCM system with a 90%/10% paraffin-EG composition can reduce the surface temperature by 32.44% and enhance total efficiency by 1.2%. Meanwhile, the 85%/15% paraffin-EG cooling system achieves a temperature reduction of 32.52% and a total efficiency improvement of 1.27% compared to the system without cooling.
First Generation Solar Cell: History And Development Of Silicon-Based Photovoltaics Gultom, Noto Susanto; Sugandi, Adinda A. Nur; P. Dewi, Aisyah; Qulsum, Kirana; Elisabet, Mona; Aprillia, Bandiyah Sri; Hidayat, Sahrul; Nilam, Putri Nuri; Simanjuntak, Mayer
JIIF (Jurnal Ilmu dan Inovasi Fisika) Vol 9, No 1 (2025)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jiif.v9i1.58203

Abstract

The  global  transition  toward  new  and  renewable  energy  sources  to  address environmental issues and the limitations of conventional energy reserves remains a priority. Solar energy,  through  photovoltaic  technology,  emerges  as  a  promising  option  for  mitigating  the environmental  impact  of  traditional  energy.  The  fact  that  solar  energy  is  a  sustainable  resource and a viable means to reduce reliance on fossil fuels supports this. Solar cells are  devices made from  semiconductor  materials  capable  of  converting  solar  energy  into  electrical  energy.  We categorize first-generation solar cells into silicon monocrystalline, silicon polycrystalline, and III- V  single  junctions  based  on  GaAs.  This  article  reviews  the  characteristics  of  first-generation silicon-based  solar  panels,  including  efficiency,  light  absorption,  and  transmission,  which dominate the global market. This review aims to provide an in-depth understanding of the factors influencing the performance of silicon-based solar cells, which will contribute to the development and application of solar cell technology in the future. Keywords: solar energy, solar cell, silicon, monocrystalline, polycrystalline
EFESIENSI ENERGI AUDIT PENCAHAYAAN GEDUNG PROGRAM STUDI FISIKA LT2 UNIVERSITAS PADJAJARAN TRADILA, ARRYAN MUHABBY IZZAN; HIDAYAT, SAHRUL
Jurnal Material dan Energi Indonesia Vol 15, No 2 (2025)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jme.v15i2.69010

Abstract

Pencahayaan merupakan salah satu sumber penggunaan energi yang kita pakai sehari hari,  Termasuk pada gedung lembaga pendidikan seperti Gedung Program Studi Fisika Universitas Padjajaran, maka untuk itu Indonesia memiliki standar yang ditentukan oleh BSN SNI 6197:2011. Yang menyatakan bahwa standar pencahayaan 350 lux untuk ruang kelas dan kerja. 500 lux untuk laboratorium, serta 100 lux untuk koridor. Untuk mengetahui apakah standar pencahayaan di gedung lantai 2 ini sudah memenuhi maka Audit Pencahayaan dilakukan pada gedung Program Studi Fisika Universitas Padjajaran Jatinagor yang hasilnya menunjukkan bahwa seluruh ruang kelas, seluruh ruang dosen, dan sebagian besar ruang kinerja tidak memenuhi standar minimal 350–500 lx karena jenis lampu neon 18 watt/1200 lumen, terbilang menjadi luminer yang kurang baik. Nilai lux rata-rata pada setiap ruangan berada jauh di bawah standar, menunjukkan bahwa sistem pencahayaan yang ada tidak mampu menyediakan penerangan yang memadai untuk aktivitas belajar dan bekerja. dan pemakaian biaya untuk lampu neon aktual dan bila memenuhi standar terbilang sangat besar untuk kita dapat alihkan apabila lampu yang digunakan adalah LED dan terbilang bahwa biaya turun jauh sampai nilai 41%.
Co-Authors Afdal Sayhudin Agusman, Ridho Aini Nurul Akbar, Yuma Akhmad Wasiur Rizki Akihiko Fujii Akihiko Fujii Amalia, Lufinda Annisa Aprilia Annisa Wijayati Aprillia Nan Sabbit Hakim Aris Munandar Aryani Nurul Huda Asdianti Asdianti Asep Zulkifli Achmad Aswad Hi Saad Aswad Hi Saad Atiek Rostika Atiek Rostika Noviyanti Atiek Rostika, Atiek Ayi Bahtiar Azka, Muhamad Fauzan Bandiyah Sri Aprillia Cahyadi Setiawan Cecep Kusmana Chandra Leonardo CHANDRA LEONARDO, MARIAH KARTAWIDJAJA, WAHYU ALAMSYAH, IMAN RAHAYU CHRISTI LIAMITA Christi Liamita, Christi Dadan Sumiarsa Danang Nugroho David - - Dea Nurul Lutfia Diana Rakhmawaty Eddy Divino Wibowo , Josua Elisabet, Mona Emilianus Eo Kutu Goo Faisal Abid Fajar Adam Maulana Fauzi, Jidan Ferry Faizal Fitrilawati - Fitrilawati Fitrilawati Furqon, Zidan Hanipah, Iip Haq, Syifa Arinal Herman Herman Herman Herman Ida Farida Antika Iman Rahayu Iman Rahayu Iman Rahayu Hidayati Soesanto Indrayani, Melly Indri Lestari Irmha Chaerunnisa IRMHA CHAERUNNISA, IRMHA Jajat Y. Mindara Jajat Yuda Mindara JAJAT YUDA MINDARA Jajat Yuda Mindara JAJAT YUDA MINDARA, JAJAT Joddy Arya Laksmono Kusumawati, Lia Lailatul Fitria, Nurul Jannah Laily Alindra, Afridha Liu Kin Men Lusi Safriani Madina Putri Maharani Mafalda Marzon Mariah Kartawidjaja Mariah Kartawidjaja MARIAH KARTAWIDJAJA, WAHYU ALAMSYAH, IMAN RAHAYU, Chandra Leonardo, MARIAH KARTAWIDJAJA, Masanori Ozaki Masanori Ozaki MAULANA, FARIZ PRAMUDIA Maulida, Rosda Moh.Jufriyanto Nana Suryana Naziha, Putri Fasya Nelci Elvida Klega Nilam, Putri Nuri Norman Syakir NORMAN SYAKIR Norman Syakir Norman Syakir, Norman Noto Susanto Gultom Nurfalah, Silmi Nurhaliza, Adinda Puspa Nurul Halimah Otong Nurhilal Otong Nurhilal Otong Nurhilal Otong Nurhilal Otong Nurhilal P. Dewi, Aisyah Pertiwi, Rika Putri Pina Pitriana Pina Pitriana Pintia Deviana Auliansyah Putri Aprilia Mulyani Putri Maulana, Amelia PUTRIYANI, MITA Quadrant Barokatus Salam Qulsum, Kirana R Rustaman, R Rahma Dini Barkah Rahmah, Dewi Anisa Rahmat Hidayat Rahmat Hidayat Ramadhoan A' Rachman , Fauzi Rany Miranti Rany Miranti Revi Regina Rhesti Nurlina Suhanto Risdiana - Risdiana . RISDIANA RISDIANA Risdiana Risdiana Rizqa Mardhiah Rosmana, Primanita Sholihah Rosmelia, Farah Rukiah Rukiah Rustaman Rustaman Ryan Irmansyah Ryan Irmansyah Sadam, Sadam Salsabillah , Fadia Sarifah Mudaim Setianto Setianto Setianto Setianto, Setianto Shieddieque, Apang Djafar Simanjuntak, Mayer Siregar, R.E Siti Annisa Lesmana Siti Nur Kholifah Siti Robiah Aldawiyah Sofyan Iskandar, Sofyan Sri Amelia Sri Suryaningsih Sugandi, Adinda A. Nur Supriyanto Supriyanto Syafiul Anam syifa nabila TATI NURHAYATI TRADILA, ARRYAN MUHABBY IZZAN Vini Febrianty WAHYU ALAMASYAH Wahyu Alamsyah Wahyu Alamsyah Wahyu Alamsyah Wahyu Alamsyah WAHYU ALAMSYAH, WAHYU Wahyu Wardana, Muhammad Widiyanta Gomulya Widiyanta Gomulya Wina Mustikaati YULIASARI, FITRI Yusliani Julein Wole