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All Journal JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal)
Damayanti, Isniwana
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Agriculture, Biological Sciences & Forestry Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Physics

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Morphological characteristics and electrical properties analysis of silica based on river and coastal iron sand Meiliyadi, Lalu Ahmad Didik; Wahyudi, Muh.; Damayanti, Isniwana; Fudholi, Ahmad
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 11 No 1 (2022): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v11i1.12390

Abstract

This study aims to analyze silica's morphological characteristics and electrical properties based on the river and coastal sand. Iron samples were taken from Sompang river sand, East Lombok and Coastal Sand from Gading, Mataram City. The silica was synthesized using the sol-gel method with a sintering temperature variation of 100 to 175 ℃. Morphological characteristics samples analysis was done using SEM-EDX. The electrical properties of iron sand included measuring the dielectric constant using the parallel plate method. Furthermore, the resistivity was measured using the two-point probe method. In the silica-based on river sand sample, the resistivity value was inversely proportional to the sintering temperature. In contrast, the resistivity value of silica based on the coastal sand sample was directly proportional to the sintering temperature. Silica-based on river sand has a resistivity of about 7.1'104 Wm at a sintering temperature of 100℃ and 3.5'104 Wm at a sintering temperature of 175℃. Silica-based on river sand has a resistivity of about 1.8'104 Wm at a sintering temperature of 100℃ and 7.1'104 Wm at 175℃. This research is a preliminary study on the electrical properties of natural sand-based silica to improve understanding of the physical properties of silica to be used in technological applications, such as sensors. Furthermore, the dielectric constant value in the river sand sample was directly proportional to the sintering temperature. However, the dielectric constant in the coastal sand sample was inversely proportional to the sintering temperature. Silica-based on river sand has a dielectric constant of about 1.02'102 at a sintering temperature of 100℃ and 1.18'102 at 175℃. Silica-based on coastal sand has a dielectric constant of about 1.97'102 at a sintering temperature of 100℃ and 1.15'102 at 175℃.
Integration of Islam and Science in Physics Learning: A Case Study of The First Law of Thermodynamics Meiliyadi, Lalu Ahmad Didik; Arizona, Kurniawan; Efendi, M. Harja; Wahyudi, Muh.; Damayanti, Isniwana
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 10 No 01 (2025): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/konstan.v10i01.785

Abstract

There is a strong belief in society that religion and science are two entities that cannot be reconciled. They are separate from one another and have their domains. Integration is the keyword for discussing the relationship between science and religion. The integration of science and religion can be achieved by taking the philosophical core of fundamental Islamic religious sciences as a paradigm for future science. This integration process can be seen as the Islamisation of science as part of the Islamisation of civilization. One example of this integration can be seen when discussing one branch of science, namely physics, about Islamic studies. In this case, one topic is taken from the First Law of Thermodynamics. Thermodynamics is the science that discusses heat and its changes. Heat and its changes have been explained in the Qur'an, as stated in the words of Allah SWT in Surat Al-A'raf, verse 52. For example, the source of heat energy has been explained in Surat Yaasin, verse 80, and Surat Yunus, verse 5, which state that fire is the source of heat. In its transformations, according to the First Law of Thermodynamics, this heat energy can change into changes in internal energy and work. Changes in internal energy occur due to an increase in the system's temperature after heat energy is added, while work arises due to a change in the system's volume after heat energy is added. As an illustration of the First Law of Thermodynamics, let us imagine a balloon. If the balloon is heated, the air particles inside the balloon will experience an increase in temperature. It is the nature of a particle that when its temperature increases, its energy also increases. This increase in energy is what we call an increase in internal energy. Since the internal energy of the gas particles inside the balloon increases, there will be more energy for the gas particles inside the balloon to move and collide with the walls of the balloon. As a result, the volume of the balloon will increase, and work will be done. If the elasticity of the balloon can no longer withstand the collisions of the gas particles inside it, the balloon will burst.
Implementasi Manajemen dan Supervisi SD SMP di Kecamatan Suralaga Lombok Timur: Studi Kasus Penilaian Kinerja Kurniawan, Wardi; Adisan, Adisan; Mujriati, Annisa; Maharani, Aprilia; Astuti, Dini; Baqy, Inayatil; Damayanti, Isniwana; Jauhari, Muhammad Tantawi; Al-Qoyyim, Thufail Mujaddid; Utari, Wiwin Melia; Idrus, Agil Al
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 6 No. 4 (2025): November
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v6i4.1123

Abstract

This study aims to describe the implementation of school principal management and supervision, as well as their relationship to teacher performance appraisal at the elementary and junior high school levels in Suralaga District, East Lombok. The study employed a qualitative approach with a case study design involving 14 elementary schools as research subjects. Data were collected through interviews, observations, and documentation reviews, then analyzed thematically and supported by quantitative data from education reports. The findings indicate that the management and supervision practices of school principals have a significant influence on improving the quality of learning, particularly in aspects of literacy, numeracy, student character, and teacher professionalism. Schools with strong management practices demonstrated higher education report achievements, whereas schools with weak supervision tended to remain stagnant in learning quality. The study also found that the main weaknesses lie in learning reflection, innovation, and data-based decision-making. Therefore, principal and teacher performance assessments need to be followed up with coaching programs and needs-based training. It is recommended that school supervisors and the Education Office design sustainable and adaptive interventions by strengthening data-driven leadership capacity and empowering high-performing schools as models of best practice. This study emphasizes the importance of systematic, reflective academic supervision oriented toward equitable educational quality improvement.
Bibliometric Analysis of Research Trends in Problem Based Learning (PBL) on Critical Thinking Skills in Science Education for the Period 2015–2025 Damayanti, Isniwana; Rokhmat, Joni; Muntari, Muntari; Doyan, Aris
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 10 No 02 (2025): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/konstan.v10i02.690

Abstract

This study aims to analyze trends in research on the Problem-Based Learning (PBL) model on students' critical thinking skills in science education during the period 2015–2025 through a bibliometric-based systematic review approach. Data were obtained from Google Scholar using the Publish or Perish application and visualized with VOS viewer and analyzed through Dimensions.ai. A total of 1,000 indexed documents were analyzed based on publication year, publication type, target journal, number of citations, and keyword mapping. The results showed that publications related to PBL and critical thinking skills had increased significantly since 2023. Scientific articles dominated the types of publications (80.08%), followed by proceedings and book chapters. Bibliometric visualization showed four main clusters related to the development of learning tools, PBL implementation, learning strategies, and classroom action research. These findings indicate that PBL is increasingly recognized as an effective learning model in developing the critical thinking skills of 21st-century students.
Ferrite Nanoadsorbents for Heavy Metal Removal: Research Evolution, Adsorption Mechanisms, and Future Challenges Meiliyadi, Lalu Ahmad Didik; Rahman, Muh. Zainur; Jamiluddin, Jamiluddin; Arizona, Kurniawan; Febriana, Nadia; Damayanti, Isniwana
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 15 No 1 (2026): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v15i1.30907

Abstract

Ferrite nanoadsorbents have attracted increasing attention for heavy metal remediation because of their magnetic separability, high adsorption capacity, and potential reusability. This review provides a comprehensive synthesis of research developments by integrating bibliometric mapping with an analysis of adsorption mechanisms and emerging research challenges. A bibliometric literature review was conducted using Scopus-indexed publications published between 2011 and 2025. After a systematic screening process, relevant research articles were analyzed to identify publication trends, collaboration networks, leading journals, research hotspots, and thematic evolution. The findings reveal sustained growth in research activity, with contributions concentrated in high-impact journals and strong international collaboration led primarily by Asian countries. Keyword mapping indicates that research has evolved from fundamental heavy metal removal studies toward mechanistic investigations of adsorption processes and, more recently, to the development of advanced ferrite-based nanocomposites emphasizing recyclability, stability, and environmentally sustainable water treatment. Mechanistic analysis further shows that adsorption performance is governed by the synergistic effects of surface functional groups, pore structure, adsorption kinetics, and magnetic recovery. Despite substantial progress, challenges remain regarding nanoparticle agglomeration, regeneration efficiency, long-term environmental safety, and large-scale commercialization. This review provides an integrated understanding of the evolution of ferrite nanoadsorbent research while identifying critical knowledge gaps and future research priorities to support the development of efficient, sustainable, and practically applicable water remediation technologies.
Co-Authors Adisan, Adisan Agil Al Idrus, Agil Al Ahmad Fudholi Al-Qoyyim, Thufail Mujaddid Aris Doyan Astuti, Dini Baqy, Inayatil Febriana, Nadia Jamiluddin, Jamiluddin Jauhari, Muhammad Tantawi Joni Rokhmat Kurniawan Arizona Kurniawan, Wardi Lalu Ahmad Didik Meiliyadi M. Harja Efendi MAHARANI, APRILIA Mujriati, Annisa Muntari Muntari Rahman, Muh. Zainur Utari, Wiwin Melia Wahyudi, Muh.