Explanipedia

Van der Waals injection-molded crystals Open

V.H. Tran, Amy X. Wu, Laisi Chen, Zhaozhong Feng, Vijay Kumar , et al. · 2025

Shaping low-dimensional crystals into precise geometries with low disorder is an outstanding challenge. Here, we present a method to grow single crystals of arbitrary geometry within van der Waals (vdW) materials. By injecting molten mater…

First-principles study on structural, magnetic and electronic properties of EuFe2–xNixAs2 solid solutions Open

V.H. Tran, Thi Ly, M. Sahakyan, Z. Bukowski · 2025

The magnetic ground state and electronic structure properties of solid solutions EuFe2–xNixAs2 (x = 0, 0.08, 0.12, 0.20, 0.40, 2.0) are investigated using the full-potential linearized augmented-plane wave method. The results show that Ni …

Magnetic and Electric Properties of Ca2Fe2-xAlxO5 Brownmillerites Obtained by Ball Milling High-Energy Process Open

T. Luciński, Ewa Markiewicz, B. Andrzejewski, M. Pugaczowa‐Michalska, Katarzyna Chybczyńska , et al. · 2025

Who Has the Winning Ticket? A Radiant Raffle Demonstration Open

Petra Dunkel, Bence Kontra, Barnabás Gere, V.H. Tran, Zoltán Kaleta · 2025

Kết quả học tập và phản hồi về một số yếu tố liên quan đến học tập của sinh viên đại học điều dưỡng chính quy năm thứ tư tại Trường Đại học Điều dưỡng Nam Định năm học 2023 – 2024 Open

V.H. Tran · 2025

Mục tiêu: Mô tả kết quả học tập học kì 1 và phản hồi về một số yếu tố liên quan của sinh viên đại học điều dưỡng chính quy năm thứ tư tại Trường Đại học Điều dưỡng Nam Định 2023 – 2024. Đối tượng và phương pháp nghiên cứu: Nghiên cứu mô tả…

Wrist Exoskeleton Device with a Novel Cable Drive Solution Open

Minh Thông Nguyễn, V.H. Tran, Tan Hung Huynh, Viet Anh Dung Cai, Thi-Phuong-Hoa Le · 2024

This paper presents the design of a lower limb exoskeleton made for the purpose of wrist joint rehabilitation. The authors use the exoskeleton structure in order to cope with the user’s upper-limb kinematics and to provide motion to the wr…

Magnetic Ordering and Local Atomic Environments in Na0.67Fe1-yMnyO2-Cathode Materials for Na-Ion Batteries Open

R. Idczak, Katarzyna Walczak, Robert Konieczny, P. Sobota, W. Nowak , et al. · 2024

Antiferromagnetic Ordering in VFeNbTiMo High-Entropy Alloy at Low Temperatures Open

P. Sobota, R. Idczak, Robert Konieczny, W. Nowak, V.H. Tran · 2024

Optical Properties and Pressure-Dependent Density of States of Double Perovskite Ba2timno6: A Density Functional Theory Study Open

V.H. Tran, Thi Thu Ha Nguyen, M. Sahakyan · 2024

Structural and Electronic Properties of Ba2timno6 from First Principles Open

Thi Thu Ha Nguyen, M. Sahakyan, V.H. Tran · 2023

The Study of Electronic Structure and Magnetic Properties of Ferromagnetic Kondo-Lattice Cepd2p2 From the First-Principles Open

V.H. Tran, M. Sahakyan · 2023

g-mode Oscillations in Neutron Stars with Hyperons Open

V.H. Tran, Suprovo Ghosh, Nicholas Lozano, Debarati Chatterjee, Prashanth Jaikumar · 2022

A common alternative to the standard assumption of nucleonic composition of matter in the interior of a neutron star is to include strange baryons, particularly hyperons. Any change in composition of the neutron star core has an effect on …

Electronic transport mechanisms in a thin crystal of the Kitaev candidate $α$-RuCl$_3$ probed through guarded high impedance measurements Open

Patrick Barfield, V.H. Tran, Vikram Nagarajan, Maya Martinez, Amirari Diego , et al. · 2022

$α$-RuCl$_3$ is considered to be the top candidate material for the experimental realization of the celebrated Kitaev model. It is however known that additional interactions beyond the Kitaev model trigger in $α$-RuCl$_3$, a long-range zig…

Coexistence of magnetism and superconductivity in 112-type iron pnictides EuFeAs doped with Co Open

R. Idczak, Michał Babij, P. Sobota, W. Nowak, Robert Konieczny , et al. · 2022

Polycrystalline samples of Eu(Fe1−xCox)As2 with x = 0.05, 0.10 and 0.13 were systematically studied by the 57Fe Mössbauer spectroscopy as well as with magnetization and electrical resistivity measurements. The obtained results deliver inte…

Temperature Effects on Core g-Modes of Neutron Stars Open

Nicholas Lozano, V.H. Tran, Prashanth Jaikumar · 2022

Neutron stars provide a unique physical laboratory in which to study the properties of matter at high density and temperature. We study a diagnostic of the composition of high-density matter, namely, g-mode oscillations, which are driven b…

The density functional theory study of substitution effect in antiferromagnetic USn05Sb15 Open

M. Sahakyan, V.H. Tran · 2022

The electronic structure of antiferromagnetic (AF) USn0.5Sb1.5 crystallizing in the tetragonal Cu2Sb-type structure is investigated by means of ab-initio calculations using the full-potential linearized augmented plane wave method (FP-LAPW…

Symptomatic colonic lipoma: Report of two cases in Binh Dan Hospital Open

Phu Vinh Pham, Huu Phu Nguyen, An K Vu, V.H. Tran · 2022

Colonic lipomas are benign tumors resulting from the proliferation of mature fat cells. Gastrointestinal lipomas are rare, often asymptomatic, and most are detected through diagnostic imaging devices such as colonoscopy and abdominal-pelvi…

The Study of Electronic Structure and Magnetic Properties of Ferromagnetic Kondo-Lattice Cepd2p2 From the First-Principles Open

M. Sahakyan, V.H. Tran · 2022

Reinvestigation of the Magnetic and Electronic Properties of Eufeas2 and Eu(Fe0.96ni0.04)As2 Open

V.H. Tran, R. Idczak, Thi Ly, Z. Bukowski, Michał Babij · 2022

The Density Functional Theory Study of Substitution Effect in Antiferromagnetic Usn0.5sb1.5 Open

V.H. Tran, M. Sahakyan · 2022

Optical and Phonon Properties of the High- Tc Superconducting Srrbfe 4 as 4 Based on Dft Calculations Open

V.H. Tran, Thi Ly · 2022

Ab initio investigation of electronic structure and optical properties of IrSn4 Open

Thi Ly, V.H. Tran · 2022

The ELF isosurfaces cutting along the 110 planes of β-IrSn 4 reveal the high anisotropic distributions of electrons with the itinerant character of Ir-5d and highly localized properties of Sn-5p electrons.

Influence of severe plastic deformation on superconducting properties of Re and In Open

R. Idczak, W. Nowak, Michał Babij, V.H. Tran · 2021

The positron lifetime annihilation spectroscopy, magnetic and electrical resistivity data obtained for the pure polycrystalline rhenium and indium samples were compared with corresponding results obtained for samples after severe plastic d…

Discovery of superconductivity in AlB2-type hexagonal YGa2 Open

V.H. Tran, M. Sahakyan, Z. Bukowski · 2021

A crystalline sample YGa 2 with the AlB 2 -type hexagonal structure has been synthesized using the self-flux method. We measured electrical resistivity and specific heat down to 0.4 K and in fields up to 200 mT. The obtained data reveal ty…

DFT+U Study of Stability and Electronic Properties of Antiferromagnetic States of Sr4V2O6Fe2As2 Open

Thi Ly, V.H. Tran · 2020

We examine the magnetic stability and electronic properties of Sr4V2O6Fe2As2 in the antiferromagnetic order of V, including the A-type (A-AF) and the checkerboard-type (c-AF), within the LDA+U approximation.Contrary to other reports, our d…

Relationship between morphological and physical properties in nanostructured CuMnO2 Open

Nguyễn Thị Hòa, V.H. Tran · 2020

In this study, crednerite CuMnO 2 nanostructures were prepared using a hydrothermal method at 100 °C with different amounts of NaOH mineralizator. Obtained nanostructured crednerite CuMnO 2 with monoclinic structure (space group C2/m) exhi…

Physical properties of the layered oxypnictide Sr2ScFeAsO3: a Mössbauer study down to 1.7 K Open

R. Idczak, Z. Bukowski, Thi Thu Ha Nguyen, V.H. Tran · 2020

A polycrystalline sample of Sr 2 ScFeAsO 3 was studied by 57 Fe Mössbauer spectroscopy down to 1.7 K. In contrast to the earlier Mössbauer data, the obtained in this work results indicate that Sr 2 ScFeAsO 3 is in paramagnetic state down t…

Electronic Properties of Sr4V2O6Fe2As2 Superconductor by Mean of DFT Investigations Open

Thi Ly, V.H. Tran · 2020

Based on the Full potential linearized augmented plane wave (FLAPW) method, the electronic properties of incommensurate anti-ferromagnetic Sr4V2O6Fe2As2 with wave vector q = (0, 0, 0.306) have been investigated. Comparing total energy betw…

Specific heat, thermal conductivity, electron transport and electronic band properties of CeNi9In2 Open

V.H. Tran, P. Skokowski, M. Sahakyan, A. Szytuła · 2020

Physical Properties of Superconducting V0.9857Fe0.02 Alloy Studied by TMS and SQUID Magnetometer Open

R. Idczak, V.H. Tran · 2018

A sample of vanadium with 2 at.% of 57 Fe was prepared by the arc-melting technique, annealed in a vacuum at 1270 K for 2 h and measured by 57 Fe transmission Mössbauer spectroscopy in the temperature range 1.4 K-300 K as well as using SQU…

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