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All Journal Jurnal Pembelajaran Fisika Jurnal Teori dan Aplikasi Fisika
Yusuf Affandi
Institut Teknologi Sumatera
Education Materials Science & Nanotechnology Physics

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PENGARUH SELF REGULATED LEARNING SISWA TERHADAP LITERASI SAINS MELALUI PEMBELAJARAN INKUIRI TERBIMBING Yusuf Affandi; Abdurrahman Abdurrahman; Wayan Suana
Jurnal Pembelajaran Fisika Vol 3, No 2 (2015): Jurnal Pembelajaran Fisika
Publisher : Jurnal Pembelajaran Fisika

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This research was aimed to determine the influence of students self-regulated learning in seventh grade of SMPN 2 Kotagajah towards scientific literacy through guided inquiry learning in the topic of heat and changes of temperature and also to investigate the enhancement of students scientific literacy using guided inquiry learning. The design of the research was one group pre test-post test. The result of this research showed that there was a positive and significant influence of students self-regulated learning towards scientific literacy skills with a percentage of the influence is 25.4%. There was an enhancement of students scientific literacy skill through guided inquiry learning model with the average of N-Gain 0,5 with medium category.Penelitian ini bertujuan untuk mengetahui pengaruh self regulated learning (SRL) siswa kelas VII SMPN 2 Kotagajah terhadap keterampilan literasi sains melalui model pembelajaran inkuiri terbimbing pada topik kalor dan perubahan suhu benda serta untuk mengetahui peningkatan literasi sains siswa menggunakan model pembelajaran inkuiri terbimbing. Desain penelitian yang digunakan adalah one grup pre test-post test. Hasil penelitian menunjukkan bahwa terdapat pengaruh SRL siswa yang positif dan signifikan terhadap keterampilan literasi sains dengan presentase pengaruh sebesar 25,4%. Terdapat peningkatan keterampilan literasi sains siswa pada model pembelajaran inkuiri terbimbing dengan rata-rata N-Gain 0,5 dan termasuk kedalam kategori sedang.Kata kunci: inkuiri terbimbing, literasi sains, self-regulated learning,SRL.
Electric Field Controlled Anisotropic Rashba Splitting in Janus Chromium Dichalcogenide Monolayers : A Computational Study based on Density Functional Theory Muhammad Anshory; Yusron Darojat; Yusuf Affandi
Jurnal Teori dan Aplikasi Fisika Vol 12, No 1 (2024): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v12i1.14201

Abstract

In this study, we explore the electronic structure of Janus Chromium Dichalcogenide monolayers CrXY (X ≠ Y = S, Se, Te) in the first Brillouin zone using Density Functional Theory. Due to the mirror symmetry break and strong SOC in the crystal structure of Janus Chromium Dichalcogenide monolayer, we discovered Rashba splitting at Γ points in the first Brillouin zone. We analyze this anisotropy of Rashba splitting using k∙p perturbation theory and group symmetry analysis. By giving the effect of external electric field, we manipulate the characteristics of Rashba splitting on the Janus Chromium Dichalcogenide monolayer. The manipulation of Rashba splitting by applying external electric field, shows that the Janus Chromium Dichalcogenide monolayers has the potential for spintronic devices.
Co-Authors Abdurahman Abdurrahman Muhammad Anshory Wayan Suana Yusron Darojat