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Akademický článek

The Effect of Al-Cu Co-Dopants on Morphology, Structure, and Optical Properties of ZnO Nanostructures

Autor: I. Sugihartono, S.T. Tan, A. Arkundato, R. Fahdiran, I. Isnaeni, E. Handoko, S. Budi, A.S. Budi

Publikováno v: Materials Research, Vol 26 (2023)

We have synthesized ZnO nanostructure by using two-step methods i.e ultrasonic nebulizer and chemical bath deposition (CBD) at 95oC for two hours. The morphology, structural, reflectance, and photoluminescence properties have been characterized by th

Externí odkaz: https://doaj.org/article/aaa99f0b8a2c43d496496d0e0abd4bdf

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Akademický článek

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Tunable Magnetic State in AA-Stacked Bilayer Zigzag Graphene Nanoribbon by Increasing Thickness

Autor: T B Prayitno, R Fahdiran, E Budi

Publikováno v: Journal of Physics: Conference Series. 2392:012036

The density functional theory was utilized to investigate the likelihood of a tunable magnetic state in the AA-stacked bilayer zigzag graphene nanoribbon. The non-magnetic ground states at certain thicknesses were found, but then the magnetic ground

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e72fa0160b76632e87a3f47a29320c6
https://doi.org/10.1088/1742-6596/2392/1/012036

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Controlling Electronic Properties of FeCl2 Monolayer under LDA+U Approach

Autor: T B Prayitno, B Nuryasin, E Budi, R Fahdiran

Publikováno v: Journal of Physics: Conference Series. 2392:012021

The electronic properties of FeCl2 monolayer were inspected by using the LDA+U approach and including the spin-orbit interaction. By observing the band dispersion, it was shown that the metallic state changes to the insulating state by increasing the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82d9a72bde1aa5dee2f539ed098941a0
https://doi.org/10.1088/1742-6596/2392/1/012021

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Microwave Absorption Properties of Ba0,9 Ca0,1 Fe12O19/Fe2O3 Nanocomposite Prepared using Planetary Ball Milling

Autor: E Handoko, M A Marpaung, I Sugihartono, R Fahdiran, A Saputra, F Imaniar, T B Aulia, A Taufiq, Y Irianti, U Umaisaroh, M Alaydrus

Publikováno v: Journal of Physics: Conference Series. 2377:012005

In this paper, the nanocomposite magnetic material (NCMM) of substituted BaFe12O19 and Fe2O3 was synthesized by using solid state reaction (SSR) method. Ba0.9Ca0.1Fe12O19 with different absorption frequencies were chosen to fabricate the nanocomposit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8e8007fe251fb2b11df88def0528e83
https://doi.org/10.1088/1742-6596/2377/1/012005

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The Impact of Adjusted Electric Field on The Electrical and Magnetic Properties of NiBr2 Monolayer with Density Functional Theory

Autor: T B Prayitno, B Nuryasin, E Budi, R Fahdiran

Publikováno v: Journal of Physics: Conference Series. 2377:012021

The density functional theory was employed to the non-collinear magnetic calculations to consider the impact of spin-orbit interactions and external electric field on the NiBr2 monolayer. It was shown that spin-orbit interaction reduces the energy ga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a93fad2500ecd204d86f8f8412c1308a
https://doi.org/10.1088/1742-6596/2377/1/012021

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The volcanic ash dispersion simulation of Soputan with PUFF Lagrangian method

Autor: R Fahdiran, M Delina, T S Oktafiandariento

Publikováno v: Journal of Physics: Conference Series. 1869:012200

Volcanic ash is dangerous for aviation because it can harm the plane engine. This study built a simulation of volcanic ash dispersion of Soputan in Indonesia, which erupted in December 2018 with the combination of the PUFF and Lagrangian methods. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28cb07c6cefd7d1141b640f123f28cea
https://doi.org/10.1088/1742-6596/1869/1/012200

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Complex permeability, permittivity and microwave absorption properties of barium hexaferrite synthesized from natural iron sand

Autor: M A Marpaung, Erfan Handoko, I Sugihartono, S. Budi, M Randa, R. Fahdiran, Zulkarnain Jalil, Mudrik Alaydrus

Publikováno v: Journal of Physics: Conference Series. 1869:012183

In this paper, the barium hexaferrite was successfully prepared by a conventional ceramic method and the precursors of BaCO3 and natural iron sand from Puger Beach, Jawa Timur-Indonesia. To develop a microwave absorbing material, the complex permeabi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1c0945e0d865887663987cab702ede5
https://doi.org/10.1088/1742-6596/1869/1/012183

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Akademický článek

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Phase transition in one-dimensional hydrogen chain: A dependence on basis orbitals, cut off radius, and doping

Autor: T B Prayitno, R Fahdiran

Publikováno v: Journal of Physics: Conference Series. 1402:044080

We demonstrated the dependence of the phase transition in the one-dimensional hydrogen chain on the basis orbitals, the cut off radius, and the doping. For reducing the computational cost, we employed the so-called generalized Bloch theorem, where a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e74121822029a793503356cd9a8823a5
https://doi.org/10.1088/1742-6596/1402/4/044080

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