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KARAKTERISASI BAHAN FERROELEKTRIK BARIUM STRONTIUM TITANAT (Ba0.3 Sr 0.7TiO3) DENGAN MENGGUNAKAN DIFRAKSI SINAR-X (XRD) Rahmad Efendi; Rahmi Dewi; Krisman '
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 2 (2014): Wisuda Oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

Ferroelectric materials of  Barium Strontium Titanate  (BST) with its  composition  of Ba0,3Sr0,7TiO3  was  succesfully deposited by a solid solution method. The samples were prepared in the form of pellets  and then  were annealed  at  the temperature of 600, 700, 800oC.   Characteritation of the samples was performed  using X-Ray diffraction (XRD). The results of characteritation using XRD was described on a graph  of the intensity  vs. 2 theta. The XRD  patterns of  Ba0,3Sr0,7TiO3  have  peaks. It was confirmed that the material of Ba0,3Sr0,7TiO3 has cubic crystalline structure, and its lattice parameter was  in average of 3,961 Å. The particle sizes (D) and lattice strains (η) of the material that was annealed at temperature of 600, 700, 800°C for 1 hour were 42.60, 44.43, 46.89 nm and -4,49x 10-3, -4,05 x 10-3,  -2,96 x 10-3, respectively. The increase in annealed temperature will raise the particle size and lattice strain.
PENGARUH PENERAPAN LKS BERORIENTASI MODEL PEMBELAJARAN REFLEKSI TERHADAP PENCAPAIAN KOMPETENSI FISIKA SISWA KELAS X DI SMAN 5 PADANG Rahmad Efendi; Masril Masril; Ratnawulan Ratnawulan
PILLAR OF PHYSICS EDUCATION Vol 6 (2015)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (284.382 KB) | DOI: 10.24036/1809171074

Abstract

Competency of students in physics class X cross-interest in SMAN 5 Padang has not achieved well. This is due to lack of interest or motivation of students in studying physics, and worksheets that use less attractive and makes learning becomes meaningful. This study carried out to investigate the effect of the applicatio-  LKS oriented reflection learning model on the achievement of competence physics class X in SMAN 5 Padang. The type of this research is a quasi-experimental with Randomized Control Group Only Design. The Populations of this research were all students in class X IS in  SMAN 5 Padang is who listed in the academic year 2014/2015. Sample of this research was selected by purposive random sampling technique and the class was selected as the experimental class is X IS 3 and the control class is X IS 4. The instrument is used to collect data is written test for cognitive competency and observation sheet for affective competence and performance assessment form for the psychomotor competency. Based of the research that has been done, it was concluded that the LKS oriented reflection learning model can improve the competency of physics students in competency knowledge and skills but not the attitude of competency
Stunting dan Pencegahannya di Desa Pulau Balai, Kecamatan Pulau Banyak, Aceh Singkil Desi Safitri; Fauzan Arif; Fitri Handayani; Mirna Juwita; Rahmad Efendi; Salwa Sabila
Jurnal Ilmiah Universitas Batanghari Jambi Vol 22, No 3 (2022): Oktober
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v22i3.2788

Abstract

Stunting ia a condition in a child`s growth where the growth is not in accordance with his age due to lack of nutritional intake in accordance with the dose and for a long period of time or also due to other causes such as early marriage. One of them is in Aceh Singkil district which was almost in the red category with a prevalence of 29.6 percent of stunting cases in 2021. This research is an observational study which was carried out in Pulau Balai Village, Pulau Banyak District, Aceh Singkil Regency, so students of KKN UIN SU held counseling about the dangers of early marriage to prevent stunting and also counseling to the community to explain about stunting due to the lack of public knowledge about it. The results achieved can provide an understanding to the public about the dangers of stunting, as well as the stunting problem that occurs in Pulau Balai Village and find out the causes and ways to prevent stunting so that stunting cases that occur in Pulau Balai Village can be prevented and not increased.
Pengelolaan Dana Tambang Tradisional Persfektif Maslahah-mursalah (Studi Kasus Tambang Batu Dan Pasir Di Desa Tanjung Kecamatan Ulu Barumun Kabupaten Padang Lawas) Hakim Martua Lubis; Rahmad Efendi
As-Syar i: Jurnal Bimbingan & Konseling Keluarga  Vol. 7 No. 1 (2025): As-Syar’i: Jurnal Bimbingan & Konseling Keluarga
Publisher : Institut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/as.v7i1.6815

Abstract

This research highlights the importance of managing traditional stone and sand mining funds where stone and sand mining is an asset that must be managed and utilized properly for the welfare of the community. Stone and sand mineral resources are currently needed to support development, both the construction of roads, houses, buildings and so on, transparency and accountability in the management of stone and sand mineral natural resource funds are needed to bring benefit and eliminate harm. The purpose of this study is how the management of traditional stone and sand mining funds in Tanjung Village, Ulu Barumun District, Padang Lawas Regency and how the management of traditional stone and sand mining funds is viewed from the perspective of Maslahah-mursalah. This research is Empirical Juridical research with a qualitative approach. The results of the study prove that the management of traditional stone and sand mining funds is not in accordance with the principles of justice, transparency and accountability to ensure that this traditional mining activity brings benefits and avoids harm to the community in this case the harm that arises is more than the benefit due to the management of funds that have not run according to what was agreed upon, in order to create a sense of justice and prevent misuse of traditional stone and sand mining funds, transparency is needed to ensure that traditional mining is managed in accordance with the objectives that have been deliberated and agreed upon together.
Legal Responsibility of Online Transport Platforms for Merchant Losses Due to Fictitious Orders by Online Transportation Drivers Perspective of Consumer Protection Law Aprialdi, Ferby; Rahmad Efendi
Al-Risalah VOLUME 25 NO 2, NOPEMBER (2025)
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-risalah.vi.59224

Abstract

This study examines the legal responsibility of digital mobility platforms for merchant losses resulting from fictitious orders made by online transportation drivers, viewed from the perspective of consumer protection law. Using an empirical legal research method, the study combines normative analysis of laws such as the Consumer Protection Law and the ITE Law with field data obtained through interviews with the owner of the Burger Taqwa business. The findings reveal that fictitious orders often stem from weaknesses in the verification system and dishonest driver behavior. Although platforms like Gojek and Grab have implemented policies to delete fictitious orders and offer compensation, their enforcement is inconsistent and lacks transparency. Legal protections for merchants remain limited in practice, as the current regulatory and platform mechanisms prioritize end-consumers over business partners. The study highlights the need for stricter supervision, clearer legal accountability, and improved enforcement mechanisms to ensure fair protection for merchants in the digital economy ecosystem.
Marketplace Responsibility for the Trade in Counterfeit Formula Milk from the Perspective of MUI FATWA NO. I/MUNAS VII/MUI/5/2005 Concerning Intellectual Property Rights Audi Mutia Adrivia Nasution; Rahmad Efendi
Al-Kharaj: Journal of Islamic Economic and Business Vol. 8 No. 1 (2026): All articles in this issue include authors from 3 countries of origin (Indonesi
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/kharaj.v8i1.9317

Abstract

Marketplaces make it easier for consumers to search and compare products to be purchased on the marketplace platform. Consumers have the opportunity to get products at relatively low prices through various offers listed in the product description. However, it is undeniable that this convenience raises issues regarding product authenticity, especially if the product is sold at a low price from an unauthorized store, one of which is the trade of counterfeit formula milk on Shopee and Tokopedia. This study aims to determine and analyze what trademark violations are, and how the marketplace's responsibility is towards the trade of counterfeit formula milk products from the perspective of the MUI fatwa Number I/MUNAS VII/MUI/5/2005. This type of research uses normative juridical with a descriptive analytical research nature, the data source used is secondary data as the main source. Data were collected through library research. The documents collected include laws and regulations, the MUI Fatwa Number I/MUNAS VII/MUI/5/2005, and include various literature related to the research such as books, relevant scientific journals, and other academic references that support the research analysis. The research results show that there are trademark violations committed by individuals with bad intentions and are not responsible for their actions, namely piracy, counterfeiting, and imitation of brand labels. And the marketplace's responsibility for the trade in counterfeit formula milk covers several aspects, namely: quality control, safety, and the validity of product information.
Peran Mahasiswa Kuliah Kerja Nyata dalam Pengembangan Ekonomi UMKM melalui Kegiatan Bazar di Desa Selayang Lailan Syakira Taufan; Putri Ramadani; Putri Wahyuni; Ruth L. Sitakar; Rahmad Efendi
Nusantara: Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 1 (2026): Februari: NUSANTARA Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/nusantara.v6i1.7613

Abstract

This study examines the role of KKN students in supporting the economic development of Micro, Small, and Medium Enterprises (MSMEs) through bazaar activities in Selayang Village. The bazaar programs facilitated by KKN students proved effective in improving product marketing, expanding business networks, increasing public awareness of local products, and ultimately raising the income of MSME actors. In addition to their economic impact, the bazaars functioned as promotional platforms and spaces for social interaction that strengthened relationships between community members and local entrepreneurs. Despite facing internal challenges such as limited funding, inadequate human resources, and a lack of product innovation, the initiative demonstrated positive outcomes. Collaboration among KKN students, local government, and the community is considered essential to ensure the sustainability of such empowerment programs. Overall, the findings indicate that bazaar activities represent an effective strategy for rural economic empowerment, contributing to the long-term competitiveness and growth of MSMEs while fostering community participation and local economic resilience.
Peran Mahasiswa Kuliah Kerja Nyata dan Transformasi Digital UMKM dengan Pengaktifan UMKM di Google Maps Desa Selayang Fhakir Nur Al Fidha; Mutia Dila Puspita; Nina Puspita; Salwa Latipah; Rahmad Efendi
Nusantara: Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 1 (2026): Februari: NUSANTARA Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/nusantara.v6i1.7637

Abstract

Selayang Village is one of the villages in Selesai District where most of the residents have micro, small, and medium enterprises (MSMEs) as the main source of livelihood. However, until now, MSME actors in the village still face limited knowledge and skills in utilizing digital technology, especially in the field of marketing. Most business actors still rely on conventional marketing methods, such as word-of-mouth promotion, which has an impact on limited market reach. Through this community service activity, it is hoped that MSMEs will be able to optimize digital marketing so that their marketing area becomes wider and more competitive. This service aims to assist and assist the community in registering the location of MSMEs and public facilities on the Google Maps platform. The method of implementing the service includes the stages of socialization, technical assistance, and direct MSME registration. The results of the activity showed that as many as nine MSMEs were successfully registered and their business profiles were optimized through a door-to-door approach. All business actors responded positively because they now have a digital footprint that makes it easier for consumers to find business locations. Thus, this activity is expected to increase business visibility, the competitiveness of MSMEs, and the welfare of the people of Selayang Village
Perbandingan Peranan Wali Nikah Dan Hadhanah Pasca Perceraian Di Indonesia, Malaysia, Mesir, Dan Pakistan Anggi Egi Anggraini; Muhammad Zikri; Ibnu Radwan Siddik Turnip; Rahmad Efendi
Al-Zayn: Jurnal Ilmu Sosial, Hukum & Politik Vol 4 No 1 (2026): 2026
Publisher : Yayasan pendidikan dzurriyatul Quran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61104/alz.v4i1.4176

Abstract

Penelitian ini bertujuan untuk membandingkan pengaturan normatif dan pertimbangan peradilan mengenai peranan wali nikah dan hadhanah pasca perceraian di Indonesia, Malaysia, Mesir, dan Pakistan. Fokus kajian diarahkan pada mekanisme penetapan wali hakim dalam kondisi wali adhal, batas usia hak asuh, parameter kelayakan pengasuh, serta derajat intervensi negara melalui pengadilan agama/syariah. Penelitian ini menggunakan sumber data sekunder, yang diklasifikasikan ke dalam bahan hukum primer dan sekunder. Bahan hukum primer meliputi UU No. 1/1974 dan KHI 1991 (Indonesia), Islamic Family Law Act/Enactment 1984 (Malaysia), UU No. 100/1985 (Mesir), serta Muslim Family Law Ordinance 1961 (Pakistan), termasuk putusan pengadilan terkait sengketa wali adhal dan hak asuh anak. Bahan hukum sekunder mencakup literatur fikih, buku hukum keluarga Islam, dan artikel jurnal ilmiah yang relevan. Hasil penelitian menunjukkan bahwa Indonesia dan Malaysia memberi kewenangan luas pada pengadilan dalam penetapan wali hakim dan memprioritaskan ibu sebagai pemegang hadhanah anak usia dini, sementara nafkah anak tetap dibebankan kepada ayah. Mesir menerapkan batas usia hadhanah lebih panjang dengan diskresi hakim berbasis kesejahteraan anak. Pakistan mempertahankan dominasi wali nasab dan batas usia asuh yang lebih ketat, meski mulai menunjukkan fleksibilitas putusan ketika ibu dinilai lebih mampu menjamin stabilitas dan keselamatan anak. Penelitian ini menegaskan bahwa perbedaan basis mazhab dan regulasi membentuk variasi rasio putusan dan pola intervensi kelembagaan, namun seluruh sistem tetap berorientasi pada maslahah keluarga dan perlindungan hak anak. 
Kodifikasi Hukum Keluarga Islam di Negara Muslim: Dinamika Reformasi, Metode Pembaruan, dan Tantangan Implementasi Anna Muwaffika; Ibnu Radwan Turnip; Rahmad Efendi; Taufik
Kartika: Jurnal Studi Keislaman Vol. 6 No. 1 (2026): Kartika: Jurnal Studi Keislaman (Februari)
Publisher : Lembaga Pendidikan Tinggi Nahdlatul Ulama (LPT NU) PCNU Kabupaten Nganjuk

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59240/kjsk.v6i1.637

Abstract

Islamic family law reform is a response to the evolving social, cultural, and political dynamics in Muslim countries, particularly post-colonial countries. In many countries, including Morocco, family law is influenced not only by Sharia but also by Western legal systems and local traditions. This situation has prompted states to reform family law through codification, reinterpretation of religious texts, and adaptation of laws to align with the needs of modern society, particularly in efforts to protect women's rights and achieve gender equality. This study aims to analyze the forms, methods, and factors influencing Islamic family law reform. The methodology used is normative legal research with statutory, historical, and conceptual approaches. Data were obtained through a literature review of laws and regulations, Islamic legal doctrine, academic literature, and relevant scientific works. The results indicate that Islamic family law reform is carried out through various methods, such as takhayyur, talfiq, ijtihad, legal codification, and procedural adaptation through the modern judicial system. These reforms reflect efforts to adapt sharia to social change while still considering the values of justice, welfare, and equality, so that Islamic family law can function effectively in contemporary society