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All Journal Jurnal Sains dan Teknologi Journal of Teaching and Learning Physics Jurnal Riset Fisika Edukasi dan Sains Palapa: Jurnal Study Keislaman dan Ilmu Pendidikan Jurnal Penelitian Pendidikan IPA (JPPIPA) AL-USWAH: Jurnal Riset dan Kajian Pendidikan Agama Islam Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Review Pendidikan dan Pengajaran (JRPP) MANAZHIM Islamika: Jurnal Keislaman dan Ilmu Pendidikan Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Jurnal Pendidikan dan Konseling Lensa : Jurnal Kependidikan Fisika Sainstek : Jurnal Sains dan Teknologi Jurnal Pendidikan dan Kewirausahaan JURNAL ILMIAH GLOBAL EDUCATION al-fikrah: Jurnal Manajemen Pendidikan Lensa: Jurnal Kependidikan Fisika JURNAL PARADIGMA: Journal of Sociology Research and Education Jurnal Penelitian Ilmu Pendidikan Indonesia Indonesian Research Journal on Education Jurnal Pengabdian Masyarakat Bangsa Tadabbur: Jurnal Integrasi Keilmuan Edusainstika: Jurnal Pembelajaran MIPA Impulse: Journal of Research and Innovation in Physics Education

Marjoni Imamora Ali Umar

Universitas Islam Negeri Mahmud Yunus Batusangkar

Author-ID : 1218098

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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EFEK KONSENTRASI Cu PADA STRUKTUR DAN SIFAT HANTARAN LISTRIK NANOPARTIKEL CuPt Imamora, Marjoni; R, Setia Erlila; Rahmi, Elvy; Maiyena, Sri; Umar, Akrajas Ali
Sainstek : Jurnal Sains dan Teknologi Vol 7, No 1 (2015)
Publisher : IAIN Batusangkar

The investigation of bimetallic CuPt Nanoparticles (CuPt NPs) with average diameters in the 196.7±98 nm range have been prepared by the Liquid phase deposition methods and synthesized directly on an indium tin oxide (ITO) substrate. CuPt NPs with high surface defect grown on (ITO) surface were prepared via a simple immersion of the substrate into a solution contains 1 mM Potassium Hexachloro Platinate (K2PtCl6), 0.2 mM Anhydrous Copper (II) Sulfate (CuSO4) anhydrous, 0.01 M Sodium dodecyl sulfate (SDS) and 10 mM Formic acid for 4 h at room temperature. The modification of Cu2+ ion precursor play a role to determine the nanoparticles geometry obtained. The simultaneous reduction of metal ions leads to either a surface enriched with one component or an alloy type of structure depending on the bimetal composition. The bimetallic CuPt NPs dispersions are characterized by FESEM, EDX Mapping, XRD, HRTEM and XPS analysis.Key words: CuPt, Liquid phase deposition, Bimetallic CuPt NPs

PENERAPAN METODE GALLERY WALK TERHADAP PEMBENTUKAN SIKAP DAN KEAKTIFAN SANTRI PONDOK PESANTREN DARUSSALAM SITIUNG 1 KAB. DHARMASRAYA Ronoili, Ronoili; Imamora, Marjoni; Lizelwati, Novia
Sainstek : Jurnal Sains dan Teknologi Vol 11, No 2 (2019)
Publisher : IAIN Batusangkar

This study aims to see the effect of the gallery walk method application to the attitudes and activeness of the students. The research data was obtained through quasi-experimental research by using randomized subjects posttest only controlled group design. This research was conducted at VIII grade students of MTsS Darussalam Sitiung 1 Islamic Boarding School Dharmasraya Regency which consisted of 2 classes with a population of 50 students. Samples were selected by simple total sampling technique, where the experimental and the controlled class were selected by lotting method. Data collection was carried out using observation and data analysis techniques through statistical tests consisting of normality, homogeneity and hypothesis tests with a significance level of 5%. Data from the hypothesis using the t test shows that the tcounted for the formation of attitudes, and activeness is 3.21 and 2.16, respectively with v = 48. Based on these values it is known that tcounted> ttable for the attitudes and activeness of students, namely (3.21> 1.677), and ( 2.16> 1,677) at the 5% significance level. Thus the hypothesis Ho is rejected and H1 is accepted, where the formation of the attitudes and activeness of students using the gallery walk method is better than using conventional learning with a certainty of 95%.

PENGEMBANGAN ALAT PRAKTIKUM GERAK JATUH BEBAS MENGGUNAKAN SENSOR PHOTOTRANSISTOR UNTUK PEMBELAJARAN FISIKA PADA MATERI GERAK JATUH BEBAS Maiyena, Sri; Imamora, Marjoni; Ningsih, Fitri
Sainstek : Jurnal Sains dan Teknologi Vol 9, No 1 (2017)
Publisher : IAIN Batusangkar

This study aims to produce free fall practicum tools by utilizing phototransistor sensors to record the travel time of objects that fall from the starting point to the end point. Dealing with free falling equipment (GJB), equipment in schools is generally still very simple that is using a stopwatch. This type of research is a research and development using 4-d model (define, design, develop and disseminate), which is limited to the stage of development to practicalization activities. Data were collected through validation and responses toward administered questionnaires. Data analysis were conducted by analyzing validation sheet and quantitative response questionnaire by finding percentage of each item on the validation sheet. Then the data validation results are analyzed by descriptive technique to describe the quality of the developed product. The result of calibration of free fall practicum by using phototransistor sensor at 40 cm, 50 cm, and 70 cm distance obtained the average travel time of each object is 0.28 s, 0.32 s, and 0.37 s. These results indicate that the practicum tool has been calibrated. Validation of practicum tool is 72,39% and validation of questionnaire response of practican is 75%, indicating tool categorized valid. Furthermore, this tool is tested in class X.MIA and XI.MIA MAN 3 Payakumbuh which consisted 23 students in the science laboratory of MAN 3 Payakumbuh with the questionnaire response practicality are 87.75% and 84.41% respectively which are categorized very practical.

Kerakterisasi ZnO Nanorod Yang Disintesis Secara Hydrothermal Dengan Berbagai Konsentrasi Sebagai Nanogenerator Ali Umar, Marjoni Imamora
Jurnal Riset Fisika Edukasi dan Sains Vol 7, No 1 (2020): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Characterization of zinc oxide (ZnO) nanorod as a nanogenerator synthesized using a hydrothermal method with various concentrations of a growing solution is reported in this article. The concentrations of the ZnO nanorod growing solution used were 0.02, 0.03, 0.04., 0.05, and 0.06M (denoted as Kp0.02, Kp0.03, Kp0.04, Kp0.05, and Kp0.06). The nanogenerator characterization was carried out using AFM Tip conduction (Scanning Probe Microscope in CPII / Veeco). The characterization of ZnO nanorod as a nanogenerator is discussed because it has piezoelectric properties caused by the flexing carried out on the nanorod. The resulting voltage is influenced by the morphology of the ZnO nanorod film, especially the diameter and density of the nanorod. The voltage surge increase with the concentration of growth solution increased. The highest voltage surge produced was 3.33 mV in the Kp0.04 sample.

SYNTHESIS AND CHARACTERIZATION OF TIO2 SEMICONDUCTOR DOPED BY AGNO3 AND THEIR APPLICATION AS PHOTOANODE IN DYE-SENSITIZED SOLAR CELLS Ali Umar, Marjoni Imamora; Faizil, Nanda; Umar, Akrajas Ali; Saad, Siti Khatijah Md
Lensa: Jurnal Kependidikan Fisika Vol 8, No 1: June 2020 (in Press)
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v8i1.2728

The use of Titanium dioxide (TiO2) semiconductors in Dye-Sensitized Solar Cells (DSSC) devices have been extensively studied and synthesized with various techniques to obtain optimal performance. The TiO2 semiconductors with optimal performance are influenced by the growth method, the time of growth, the shape of the microstructure, and the optical properties. In this study, it was reported about the effect of silver nanoparticles (AgNO3) doping onto TiO2 semiconductors on their microstructure, reflectance, and efficiency of the DSSC device. The synthesis of TiO2 was carried out using liquid phase deposition (LPD) and immersed into an AgNO3 solution with a variation of time namely 0.5 h, 1 h, 2 h, 4 h, and 6 h. The entire TiO2 + AgNO3 sample, then used as a photoanode on DSSC with plastisol as a counter electrode. Characterization of microstructure, reflectance, and DSSC performance was carried out by using field emission scanning electron microscopy (FESEM), Uv-Vis Spectrophotometer, and Gamry Instrument, respectively. The FESEM results show that AgNO3 has successfully grown on the ITO substrate in a spherical shape with an average particle diameter ranging from 1.52-2.29 ?m. From observations using the Uv-Vis Spectrophotometer, obtained the energy band gap values ranged from 0.22 to 2.27 eV. The best results of DSSC device efficiency, with TiO2+AgNO3/Dye/Plastisol structure, have resulted in the Voc of 0.694 V, current density (Jsc) of 0,943 mA/cm2and fill factor (FF) of 43,50% which is obtained at sample 1.

GRAPHENE-AU FILM SYNTHESIZED FROM GRO IN AU-AQUAEUS SOLUTION AS COUNTER ELECTRODE FOR DSSC APPLICATION Umar, Marjoni Imamora Ali
Lensa: Jurnal Kependidikan Fisika Vol 7, No 2: December 2019
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v7i2.2644

The study on the optical, electrical properties of multilayer graphene (MLG) obtained by thermal-reduction of graphene oxide (GrO) which was synthesized directly by mixing graphite oxide (GO) flake in 0.005, 0.01, 0.015, and 0.02 M of Au aqueous solution has been successfully performed. The resultant GrO was subjected to an annealing temperature of 200°C, 400°C, 500°C for 1h to obtain MLG, and G-Au2x, G-Au4x, and G-Au5x (x=.0.005, 0.01, 0.015, and 0.02). The resultant samples were then characterized using FESEM, UV-VIS, four-point probe measurements to study its morphology, optical, and electrical properties. The transmission G-Au increase and its sheet resistant decrease as an increase of annealing temperature. Besides, the annealing treatment was then achieved of its microstructure which is expected may be used as a counter electrode in solar cell applications. The best DSSC devices with Quartz/FTO/ZnO Nanorods/Dye/G-Au50.01/Quartz structures have resulted in current-density, Voc, and solar cell performance of 0.1 mA/cm2, 0.42 V, and 0.01%, respectively.

Efek Variasi Waktu Penumbuhan Secara Hidrotermal Terhadap Keteraturan Nanorod Zink Oksida Marjoni Imamora Ali Umar
Jurnal Sains dan Teknologi Vol 19, No 1 (2020): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Riau

dihasilkan dilaporkan dalam artikel ini. Konsentrasi larutan penumbuh ZnO Nanorod yang digunakan adalah 0.04M Zn (NO)3.H2O pada suhu 90°C. Waktu penumbuhan ZnO nanorod dilakukan dengan 5 variasi waktu yaitu 0.5 h, 1h, 2h, 4, dan 8h yang dilambangkan dengan T0.5, T1.0, T2.0, T4.0, dan T8.0. Sampel yang dihasilkan dikarakterisasi dengan field emmisision scanning electron microscopy (FESEM), dan X-ray diffraction (XRD) yang masing-masing untuk melihat morfologi dan struktur ZnO nanorod yang dihasilkan. Data FESEM menunjukkan bahwa umumnya diameter dan ketinggian meningkat dengan peningkatan waktu penumbuhan. Disamping itu, keteraturan nanorod juga semakin baik seiring penambahan waktu penumbuhan. Keteraturan ZnO nanorod yang paling baik terbentuk pada waktu penumbuhan T1.0 dengan persentase rata-rata kecondongan nanorod yang terjadi adalah 6.0 ± 1.0 %. Sementara itu, sample T2.0-T8.0 menunjukkan rod yang terbentuk sudah mulai melebihi 100 nm sehingga tidak dapat digolongkan ke dalam ZnO nanorod. Aplikasi ZnO nanorod dengan variasi waktu penumbuhan ini sebagai nanogenerator dan fotoanod dalam piranti dye sensitized solar cell juga dibahas dalam artikel ini.

Pengembangan Modul Elektronik Fisika Berbasis Konstruktivisme untuk Kelas X SMA Sri Maiyena; Marjoni Imamora
Journal of Teaching and Learning Physics Vol 5, No 1 (2020): Journal of Teaching and Learning Physics (February 2020)
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/jotalp.v5i1.5739

Abstractlimitations on the hard module and the lack of availability of technology-based learning media led to a lack of student motivation in learning physics. As a result, it is necessary to develop a constructivism-based electronic physics module. The objective of this research is to know the validity of constructivism-based electronic physics module for 1st student in Senior high school. This research is research and development research. Feasibility tests of the electronic module are carried out through the validation. Validation was carried out by three validators. Based on validation, it showed that constructivism-based electronic physics module that was developed is very valid with a percentage of 89.08%.AbstrakKeterbatasan pada modul cetak serta kurangnya ketersediaan media pembelajaran yang berbasis teknologi menyebabkan kurangnya motivasi siswa dalam mempelajari fisika. Untuk itu perlu dikembangkan sebuah Modul Elektronik fisika berbasis konstruktivisme. Penelitian ini bertujuan untuk menghasilkan Modul Elektronik Fisika yang valid untuk siswa Kelas X SMA. Penelitian ini adalah penelitian pengembangan (research development) dengan menggunakan model 4-D. Pada tahap develop dilakukan pengembangan modul dengan divalidasi oleh 3 orang validator. Berdasarkan hasil validasi terhadap modul elektronik fisika berbasis konstruktivisme yang dikembangkan adalah sangat valid dengan persentase 89,08%.

Fabrication of Digital Harmonic Vibration Practicum Using Phototransistor Sensor with Arduino-Uno Microcontroller Marjoni Imamora Ali Umar; Dany Kurniawan; Novia Lizelwati
Jurnal Penelitian Pendidikan IPA Vol 7 No 3 (2021): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i3.835

The problem in the harmonic vibration practicum is in calculating time accurately. Commonly, the time counter used was a stopwatch, but it was unable to provide valid data. As a result, the student has difficulty seeing the relationship between concepts with practical results in the laboratory. To overcome these problems, in this study, we developed a harmonic vibration practicum tool that is equipped with a digital timer using an Arduino Uno microcontroller as a light sensor. An Arduino can be programmed via a PC according to the wishes of the developer. This study was development research using a 4-D model (Define-design-develop-dissemination). The define and design stages respectively to find problems in the harmonic vibration practicum tool. The tool is finally designed and then calibrated, validated, and practical. The calibration results show that the percentage difference for repetition measurement and comparison that values with theory was 0.008% and 3.98%, respectively. In addition, the validation results show an average percentage of 87% or very valid. For practicality, the result through a limited test of Physics students of IAIN Batusangkar in the second semester shows a very practical response with a percentage of 85.96%. Due to time constraints, the dissemination stages have not been carried out in this study.

MANAJEMEN KERJA KEPALA MADRASAH DALAM MENERAPKAN BUDAYA ISLAMI DI MAS SALIMPAUNG KABUPATEN TANAH DATAR Zulhendri Zulhendri; Hasan Zaini; Marjoni Imamora
al-fikrah: Jurnal Manajemen Pendidikan Vol 7, No 2 (2019)
Publisher : IAIN Batusangkar

The departs from the constraints of the MAS Salimpaung in applying discipline specifically Islamic culture is the students are required to practice all the theories that have been learned to be practiced in their daily lives at school. Such as the obligation to shake hands by kissing hands before entering class, performing dhuha prayer, midnight prayer in congregation, and checking each student's activities in the form of Islam, both in the school environment and outside the school environment. Islamic culture is formed wherever students are. The formulation of Working Management of Head Master in Implementing Islamic Culture at MAS Salimpaung, is carried out by the foundation, committee and several related teachers. The results of the formulation are: routine, spontaneous, exemplary and conditioning activities. The formulation was carried out in the school by experiencing 3 obstacles, namely, there was no reference to the program as a comparison, it was not presented by people who were experienced in formulating and lacking precisely the time of deliberation, because it was carried out in the afternoon. Working management implementation of Head Master in Implementing Islamic Culture, that, routine activities that run at MAS Salimpaung such as every morning, pray before and after lessons, Dhuha prayer, memorizing letters, and midday prayers. This activity includes daily activities, while weekly activities such as muhadharah are attended by all monthly school residents such as every three months a student and teacher tent is held. Annual activities such as mabid in the month of Ramadan, the celebration of Idul Fitri adn Idul Adha. (3). The evaluate method of Working Management of Head Master in Implementing Islamic Culture at MAS Salimpaung is carried out by examining more deeply the constraints found in the field, as well as holding a monthly evaluation meeting with the MAS Salimpaung Foundation.

Co-Authors Adripen Adripen Akrajas Ali Umar Akrajas Ali Umar Almasri Almasri Amrizal, Nailul Fauzi Anton Artha Nesa Chandra Artha Nesa Chandra Basri, Henny Hamdani Dany Kurniawan David David David Demina Demina Demina Demina Demina Demina Demina Dina Latifa Sari Elvy Rahmi Ernita Ernita Fadriati Fadriati Fadriati Fadriati Faizil, Nanda Fardilla Deviyanda Firdaus, Oka Fitri Ningsih, Fitri Fitria Anggalina Frans Rizal Agustiyanto Hadi, Bisron Hadiyati Idrus Hadiyati Idrus Hakim, Yoga Azizul Hamid, Busra Hasan Zaini Hasan Zaini Haviz, Haviz Hayati, Redhatul Isra Nurmai Yenti Jamilus Jamilus Jeli Hendra Jhoni Warmansyah Kamaluddin Kamaluddin Khairat, Annisaul Lita Sari Muchlis Lita Sari Muchlis M. Haviz Mardiani Mardiani Mawarnis, Elvy Rahmi Muhammad Fazis Muhammad Fazis Muhammad Husni Shidqi Nanda Faizil Novia Lizelwati Novia Lizelwati Putri, Stevanny Immelia R, Setia Erlila Rahmiati, Silvi Ridwal Trisoni Rika Agusti Roby Setia Pramana Ronoili, Ronoili Saad, Siti Khatijah Md Salam, M. Yusuf Sirajul Munir Siti Khatijah Md Saad Sri Maiyena Sri Maiyena Sri Maiyena Suharmon Suharmon Sukma Roviani Suswati Hendriani Suswati Hendriani Takwim, Takwim Venny Haris Wahidah, Syifa Hayatun Nufus Wirdanimar, Wirdanimar Wiwit Vianora Yawati, Yunita Sulisti Yulisa Dwi Astuti Zihnil Afif Zulhendri Zulhendri Zulhendri Zulhendri Zunita, Irma Zurhidayati, Zurhidayati

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