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All Journal Journal of Selvicoltura Asean Techno Agriculturae Studium of Research Research of Scientia Naturalis
Peng, Nam
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Agriculture, Biological Sciences & Forestry Chemistry Physics

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Dielectric Properties of Multiferroics in Next-generation Memory Devices Nam, Le Hoang; Peng, Nam; Vandika, Arnes Yuli
Research of Scientia Naturalis Vol. 1 No. 5 (2024)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientia.v1i5.1580

Abstract

The advent of next-generation memory devices necessitates materials that exhibit superior dielectric properties. Multiferroics, materials that exhibit simultaneous ferroelectric and magnetic ordering, have emerged as promising candidates for enhancing memory device performance due to their unique attributes. This study aims to investigate the dielectric properties of various multiferroic materials and their implications for next-generation memory applications. The focus is on understanding how these properties can be optimized to improve device efficiency and functionality. A series of multiferroic samples were synthesized using sol-gel and solid-state methods. Dielectric measurements were conducted over a range of frequencies and temperatures to characterize their dielectric constant, loss tangent, and temperature dependence. Comparative analyses with traditional dielectric materials were performed to evaluate performance. The findings reveal that specific multiferroic materials exhibit significantly enhanced dielectric properties compared to conventional dielectrics. Notable improvements in dielectric constant and reduced loss tangent were observed, indicating potential for better energy storage and lower power consumption in memory devices. The research demonstrates that multiferroics possess advantageous dielectric properties that can be harnessed for next-generation memory devices. Continued exploration of these materials is essential for advancing memory technology and developing more efficient, high-performance devices in the future.
THE ROLE OF FORESTS IN WATER CYCLE REGULATION AND FLOOD CONTROL Anh, Nguyen Tuan; Peng, Nam; Nam, Le Hoang
Journal of Selvicoltura Asean Vol. 2 No. 3 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jsa.v2i3.2037

Abstract

Forests play a crucial role in regulating the water cycle and controlling flood risks, serving as natural buffers against extreme weather events. The ability of forests to influence local hydrological cycles through processes like transpiration, infiltration, and water retention is essential for maintaining ecosystem balance and human livelihoods. However, deforestation and land-use changes are significantly altering these processes, leading to increased flood risks and water scarcity in many regions. This study aims to explore the role of forests in water cycle regulation and their effectiveness in flood control, with a focus on identifying the mechanisms through which forests influence hydrological processes. The research also seeks to evaluate the impact of forest degradation on flood intensity and water resource availability. A mixed-methods approach was employed, combining remote sensing data, hydrological modeling, and field observations. Data were collected from three forested regions with varying degrees of human activity. Water flow rates, soil moisture levels, and vegetation cover were monitored across these sites to assess the hydrological impact of forest ecosystems on local water systems. The findings indicate that intact forests significantly reduce flood risks by enhancing water infiltration and promoting soil retention. Deforestation and land degradation led to higher surface runoff, reduced groundwater recharge, and increased flood occurrence. Forests with greater biodiversity showed more resilience in maintaining these functions. The study concludes that forests are vital to water cycle regulation and flood mitigation. Conservation and restoration of forest ecosystems are essential for maintaining hydrological stability and reducing the adverse impacts of floods.
WASTEWATER TREATMENT TECHNOLOGY FOR AGRICULTURAL IRRIGATION IN SPAIN Tu, Bui Minh; Peng, Nam; Mai, Nguyen Thi
Techno Agriculturae Studium of Research Vol. 2 No. 3 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/agriculturae.v2i3.1998

Abstract

Water scarcity in Spain has become a major challenge for the agricultural sector, thus encouraging the use of treated wastewater as an alternative source of irrigation. This study aims to evaluate the effectiveness of wastewater treatment technology on agricultural productivity, environmental impact, and farmers’ income in Spain. The research method used is an experimental quantitative design with data collection from wastewater treatment plants, field tests on soil quality, as well as interviews and questionnaires to farmers in the research area. The results show that the use of treated wastewater increases crop yields by 10-15% and reduces the use of chemical fertilizers by 20%, without causing a negative impact on soil and groundwater quality. Farmers’ acceptance of this technology is also quite high, driven by real economic benefits. In conclusion, wastewater treatment technology in Spain has the potential to be a sustainable solution to the water crisis in the agricultural sector, although more research is needed to understand the long-term impact on the environment.
Co-Authors Anh, Nguyen Tuan Arnes Yuli Vandika Nam, Le Hoang Nguyen Thi Mai, Nguyen Thi Tu, Bui Minh