Nguyen Thanh TungVietnam Academy of Science and Technology | VAST · Institute of Materials Science
Nguyen Thanh Tung
Professor
Interested in metamaterials, photonics, atomics clusters, plasma physics
About
192
Publications
21,762
Reads
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1,565
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Introduction
Tung Nguyen Thanh graduated from Hanoi University of Technology with the Degree of BSc in the field of Engineering Physics. In December 2009, he got the Degree of Master of Science from Department of Physics, Hanyang University. In 2014, he obtained a PhD degree from Department of Physics and Astronomy, Katholieke Universiteit Leuven. Since August 2015, he has joined Metamaterials Lab of Prof. Takuo Tanaka in RIKEN Wako, Japan for a JSPS postdoctoral position.
Additional affiliations
September 2015 - September 2016
May 2014 - July 2020
Education
February 2010 - March 2014
University of Leuven, Department of Physics and Astronomy
Field of study
- Cluster physics, nanomagnetism
November 2007 - December 2009
Hanyang University, Department of Physics
Field of study
- Metamaterials
September 2001 - June 2006
Publications
Publications (192)
Herein, we demonstrate a facile, low-cost approach of using hand-drawn pencil on paper to construct a flexible dielectric barrier discharge (DBD) plasma device. The pencil trace on the paper's surface acts as the high voltage electrodes. The pencil-on-paper (PoP) plasma device could produce atmospheric pressure plasma in ambient conditions and full...
Molecular and dissociative hydrogen adsorption of transition metal (TM)-doped [Mo3S13]2– atomic clusters were investigated using density functional theory calculations. The introduced TM dopants form stable bonds with S atoms, preserving the geometric structure. The S-TM-S bridging bond emerges as the most stable configuration. The preferred adsorp...
Ternary I-III-VI chalcopyrite-type nanocrystals (NCs) range among the most important alternative materials to Cd-based NCs. Within this materials family, AgInSe2 (AISe) presents a narrower bandgap than widely studied AgInS2 (AIS), making it more suitable for numerous applications. At present, it remains a long-standing challenge to directly synthes...
Our study introduces a metamaterial with a straightforward disk-like configuration that exhibits two prominent absorption peaks at wavelengths of 3960 and 4197 nm, with absorption of 96.3% and 94.1%, respectively. The design not only proved to be convenient for the practical fabrication, but also revealed a resilience to the changes in structural p...
Electrically tunable graphene‐metal metasurfaces with controllable optical properties have attracted interest for straightforward manipulation of free space light. Their resonance tuning range depends on graphene's electrical transport characteristics, which are affected by its quality, operating conditions, and the device design. An important exam...
Với những tiềm năng ứng dụng to lớn trong các lĩnh vực như bức xạ nhiệt hiệu suất cao, cảm biến hóa sinh độ nhạy cao, các kĩ thuật cảm biến phân tử và trong lĩnh vực năng lượng, vật liệu metamaterial (MMA) hấp thụ sóng THz hiện đang rất được quan tâm nghiên cứu. Trong đó, các nghiên cứu nhằm tạo ra các vật liệu MMA hấp thụ có điều khiển, có khả năn...
This study reports on the successful synthesis of MoO₃₋ₓ@MoS₂ (x = 0, 1) nanostructure via a one-step hydrothermal combined with the annealing method, which resulted in a well-defined nanoparticle diameter of 280–320 nm and a nanoflake thickness of 12–20 nm. X-ray diffraction analysis confirmed the presence of a hexagonal crystal phase of MoS₂, mon...
Trong nghiên cứu này, chúng tôi đã đề xuất một vật liệu biến hóa hấp thụ tuyệt đốisóng điện từ có thể điều khiển bằng tác động cơ học bằng cách sử dụng mực nano bạc in lên trên đế polyimide đàn hồi. Ở cấu hình phẳng, cấu trúc đề xuất hoạt động như một vật liệu biến hóa hấp thụ một băng tầnvới một đỉnh hấp thụ tại tần số 3,7 GHz và độ hấp thụ đạt tớ...
Hiện nay, các nghiên cứu phát triển các nguồn năng lượng hydro có khả năng tái tạo và sạch đang ngày càng gia tăng về số lượng và chất lượng. Hydro được cho là một loại nhiên liệu tiềm năng, sạch và an toàn với môi trường, được coi là giải pháp bền vững khắc phục sự phụ thuộc vào nhiên liệu hóa thạch hiện nay. Việc tạo ra hydro thông qua các nguồn...
Developing highly efficient and durable hydrogen evolution reaction (HER) electrocatalysts is crucial for addressing the energy and environmental challenges. Among the 2D-layered chalcogenides, MoSe2 possesses superior features for HER catalysis. The van der Waals attractions and high surface energy, however, stack the MoSe2 layers, resulting in a...
A low-profile metamaterial structure is designed to achieve an analogue of electromagnetically induced transparency (EIT) in the mid-infrared regime. By breaking the symmetry of the gold resonator, a transmission window occurs around 8.5 µm, instead of a reflectance peak as in the symmetric configuration. The EIT behavior was investigated using nea...
With great potential for applications in fields such as heat radiation, energy harvesting, and biochemical and molecular sensing, the terahertz (THz) metamaterial (MM) absorber has attracted great interest and is the subject of intensive study. Research on developing intelligent metamaterials which can control absorption properties is of particular...
In this paper, a wearable dual-band T-shaped antenna using a coplanar waveguide (CPW) fed operating at 2.4 GHz and 5.2 GHz bands is proposed for onbody wireless communications applications. Without the metamaterial-based electromagnetic bandgap (EBG) layer, the original antenna covers two bands from 1.96 GHz to 2.77 GHz and from 5.07 GHz to 5.35 GH...
The first oral drug for the treatment of COVID-19, Paxlovid, has been authorized; however, nirmatrelvir, a major component of the drug, is reported to be associated with some side effects. Moreover, the appearance of many novel variants raises concerns about drug resistance, and designing new potent inhibitors to prevent viral replication is thus u...
In the quest of improving the photocatalytic efficiency of photocatalysts, the combination of two and more semiconductors recently has garnered significant attention among scientists in the field. The doping of conductive metals is also an effective pathway to improve photocatalytic performance by avoiding electron/hole pair recombination and enhan...
The geometric structure, stability, dissociation channel and magnetism of AgnCo clusters (n = 1–12) have been studied using density functional theory. The results show that the Co atom tends to choose the highest coordination position. The ground state of AgnCo clusters prefers the planar motif at small sizes (n less than 4) but favors 3D structure...
The Research Topic will cover various applications of materials utilizing plasma processing under either atmospheric or low-pressure conditions, such as plasma etching/deposition, plasma treatment/activation, surface coating/modification, particle/material synthesis, plasma catalysis, etc. This Research Topic will collect original research and high...
We numerically study in this work the magnetic properties induced by the on-site electron-electron interaction in graphene nanoflakes shaped diamond with a variety of sizes. By the mean-field Hubbard approximation, a phase transition in analogy to infinite graphene from non-magnetism to antiferromagnetism is observed. A very weak interaction U, app...
Au102+ and Au20 pyramids, whose stability and inertness are comparable to those of carbon fullerene C60, are considered as important landmarks in the long-history investigation of gold nanoclusters. Numerous experimental and theoretical studies on doping Au102+ and Au20 with transition metal atoms have been carried out for specific properties that...
Correction for ‘Rapid prediction of possible inhibitors for SARS-CoV-2 main protease using docking and FPL simulations’ by Minh Quan Pham et al. , RSC Adv. , 2020, 10 , 31991–31996, https://doi.org/10.1039/D0RA06212J.
Correction for 'Characterizing the ligand-binding affinity toward SARS-CoV-2 Mpro via physics- and knowledge-based approaches' by Son Tung Ngo et al., Phys. Chem. Chem. Phys., 2022, https://doi.org/10.1039/d2cp04476e.
In this work, a g-C3N4/porphyrin nanocomposite was fabricated through the self-assembling of monomeric Tetrakis (4-carboxyphenyl) porphyrin (TCPP) molecules with g-C3N4 nanomaterials. The characterizing results showed a good distribution of TCPP nanofibers with a diameter of < 100 nm and several micrometers in length on the g-C3N4 nanoflakes’ surfa...
Computational approaches, including physics- and knowledge-based methods, have commonly been used to determine the ligand-binding affinity toward SARS-CoV-2 main protease (Mpro or 3CLpro). Strong binding ligands can thus be suggested as potential inhibitors for blocking the biological activity of the protease. In this context, this paper aims to pr...
This publisher’s note corrects errors in Appl. Opt. 61, 9078 (2022)APOPAI0003-693510.1364/AO.471949.
For the commercial-scale of hydrogen production from water-splitting, developing earth-abundant and competitive price catalysts is highly demanding, but it is challenging to replace the noble metal-based state-of-the-art catalysts. Herein, we report MoS2@graphene (MoS2@Gr) heterostructures materials as a promising hydrogen evolution reaction (HER)...
A reconfigurable metamaterial absorber (MA) in the microwave region is numerically and experimentally demonstrated based on a multi-layered metamaterial. The proposed structure can be mechanically switched between two different configurations to obtain designated absorption behaviors. By rotating the upper ring layer by multiples of 90 deg, two sep...
This study investigated the effects of plasma duration and different reactive species ratios of cold atmospheric-pressure plasma treatment on both physical and endogenous hormone changes in enhancing the germination and growth of mung bean seeds. Seed germination and sprout stem length were significantly enhanced after plasma treatment. The germina...
Increasing interest has been paid for hydrogen adsorption on atomically controlled nanoalloys due to their potential applications in catalytic processes and energy storage. In this work, we investigate the interaction of H2 with small-sized Ag n Cr (n = 1-12) using density functional theory calculations. It is found that the cluster structures are...
Composites of refluxed carbon nanotubes (CNTs) at different contents and novel hexagonal tungsten oxide (h'-WO3) nanoflakes were prepared via a one-step hydrothermal method without using any surfactant or structure-directing agents. The morphology, crystal structure, and optical properties of nanocomposites were analyzed using a field-effect scanni...
In fish farming, regular measurement of fish length is a necessary work to evaluate the growth and health status of fish. However, manual measurement of fish length using measuring board is a time-consuming task and subject to error due to human bias factor. In this paper, the authors present the use of image processing techniques and smartphone ca...
We theoretically investigate in this work the interplay between the intrinsic spin-orbit coupling (SOC) and electron-electron interaction on the magnetism in the graphene honeycomb lattice. Particularly, a phase diagram is here explored and studied by Kane-Mele-Hubbard (KMH) model combined with mean-field theory and self-consistent algorithm. Resul...
Graphene has been extensively considered an ideal additive to improve the mechanical properties of many composite materials, including rubbers, because of its novel strength, high surface area, and remarkable thermal and electron conductivity. However, the pristine graphene shows low dispersibility in the rubber matrix resulting in only slightly en...
This paper presents for the first time the systematic synthesis of AgInS2 (AIS) nanocrystals (NCs) with different sizes of 2.6 – 6.8 nm just by controlling only the reaction temperature. The synthesis of AIS core NCs was carried out in 2 steps: (i) synthesis of Ag2S NCs and then (ii) partial exchange of Ag+ with In3+ in the template Ag2S NCs. For s...
In this work, the magnetic states and thermally induced spin currents in graphene nanoflake sizes with different sizes and shapes have been investigated using Hubbard model combined with non-equilibrium Green's function method. In addition to the antiferromagnetic state governed by the sizes, shapes, armchair bond densities, and Coulomb energy, our...
Janus kinase 2 (JAK2) inhibitors are potential anticancer drugs in the treatment of lymphoma, leukemia, thrombocytosis and particularly myeloproliferative diseases. However, the resemblance among JAK family members has challenged the identification of highly selective inhibitors for JAK2 to reduce undesired side effects. As a result, a robust searc...
A theoretical study of geometric and electronic structures, stability and magnetic properties of both neutral and anionic Ge16M0/- clusters with M being a first-row 3d transition metal atom, is performed using quantum chemical approaches. Both the isoelectronic Ge16Sc- anion and neutral Ge16Ti that have a perfect Frank-Kasper tetrahedral T d shape...
Các bộ hấp thụ sóng điện từ dựa trên siêu vật liệu (Metamaterials absorber - MMA) thông thường được thiết kế với các bộ cộng hưởng, một mặt phẳng kim loại liên tục và một lớp điện môi kẹp giữa. Sự hấp thụ dựa trên tổn hao ở lớp điện môi gây ra bởi các cộng hưởng từ. Các MMAs như thế chỉ cho phép hấp thụ sóng điện từ theo một chiều truyền đến, chiều...
Nanoclusters have been emerging as potential building blocks for advanced nanostructured materials with desired catalytic, magnetic, and electronic properties. However, determining the structure of doped atomic clusters encounters many difficulties. A powerful approach to assign the ground state geometries of atomic clusters has been the comparison...
In the past few years, green synthesis has been extensively utilized as an environmentally friendly and affordable approach for the preparation of nanomaterials. Many extracts from plants have been employed as green reductants for these syntheses. For the first time, the Cleistocalyx operculatus leaf extract was employed as a green reductant to syn...
Au102+ has been found very stable showing a superatomic behavior with a highly symmetrical geometry and can be considered as the smallest copy of the golden pyramid Au20. In this work, we further explore superatomic clusters as analogues of more complex molecules by doping Au102+ cluster with 3d transition metal atom. It is found that, in similarit...
AutoDock Vina (Vina) achieved a very high docking-success rate, , but give a rather low correlation coefficient, , for binding affinity with respect to experiments. This low correlation can be an obstacle for ranking of ligand-binding affinity, which is the main objective of docking simulations. In this context, we evaluated the dependence of Vina...
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been causing the COVID-19 pandemic, resulting in several million deaths being reported. Numerous investigations have been carried out to discover a compound that can inhibit the biological activity of the SARS-CoV-2 main protease, which is an enzyme related to the viral replicatio...
The umbrella sampling (US) simulation is demonstrated to be an efficient approach for determining the unbinding pathway and binding affinity to the SARS-CoV-2 Mpro of small molecule inhibitors. The accuracy of US is in the same range as the linear interaction energy (LIE) and fast pulling of ligand (FPL) methods. In detail, the correlation coeffici...
Correction for ‘The binary aluminum scandium clusters Al x Sc y with x + y = 13: when is the icosahedron retained?’ by Ngo Tuan Cuong et al. , RSC Adv. , 2021, 11 , 40072–40084. DOI: 10.1039/D1RA06994B.
Geometrical and electronic structures of the 13-atom clusters Al x Sc y with x + y = 13, as well as their thermodynamic stabilities were investigated using DFT calculations. Both anionic and neutral isomers of Al x Sc y were found to retain an icosahedral shape of both Al13 and Sc13 systems in which an Al atom occupies the endohedral central positi...
We demonstrate a dual-band, polarization-insensitive, ultrathin and flexible metamaterial absorber (MA), based on high-order magnetic resonance. By exploiting a flexible polyimide substrate, the thickness of MA came to be 1/148 of the working wavelength. The absorption performance of the proposed structure was investigated for both planar and bendi...
In this study, we present a comprehensive dual-band ambient radio-frequency (RF) energy harvesting system, consisting of rectenna and power management circuit, to harvest energy from 2.45 and 5.8 GHz Wi-Fi. The rectenna employs a metamaterial antenna based on a split-ring resonator, which possesses omni-directional radiation pattern at both frequen...
Understanding the thermodynamics and kinetics of the binding process of an antibody to the SARS-CoV-2 receptor-binding domain (RBD) of the spike protein is very important for the development of COVID-19 vaccines. In particular, it is essential to understand how the binding mechanism may change under the effects of RBD mutations. In this context, we...
In this work, we proposed a flexible broadband metamaterial perfect absorber (FBMPA) by exploiting a pasted conductive-graphene ink on a polyimide substrate. For the flat FBMPA, an absorption over 90% was found to cover a wide frequency range (from 7.88 to 18.01 GHz). The high-absorption feature was polarization-insensitive and regarded as stable w...
Thin metallic buffer layers are commonly used between semiconductor substrates and noble
metal films or nanostructures. We propose an extended two-temperature heat transfer model that
can be used to investigate the heat flow in multilayer antennas and includes metallic layers, a
dielectric substrate, and their respective interfaces. It is demonstra...
AutoDock Vina (Vina) achieved a very high docking-success rate, p ̂, but give a rather low correlation coefficient, R, for binding affinity with respect to experiments. This low correlation can be an obstacle for ranking of ligand-binding affinity, which is the main objective of docking simulations. In this context, we evaluated the dependence of V...
AutoDock Vina (Vina) achieved a very high docking-success rate, p ̂, but give a rather low correlation coefficient, R, for binding affinity with respect to experiments. This low correlation can be an obstacle for ranking of ligand-binding affinity, which is the main objective of docking simulations. In this context, we evaluated the dependence of V...
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been causing the COVID-19 pandemic resulting in several million death were reported. Numerous investigations have been carried out to discover a compound that can inhibit the biological activity of SARS-CoV-2 main protease, which is an enzyme related to the viral replication. Amon...
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been causing the COVID-19 pandemic resulting in several million death were reported. Numerous investigations have been carried out to discover a compound that can inhibit the biological activity of SARS-CoV-2 main protease, which is an enzyme related to the viral replication. Amon...
Synthesizing novel photocatalysts that can effectively harvest photon energy over a wide range of the solar spectrum for practical applications is vital. Porphyrin-derived nanostructures with properties similar to those of chlorophyll have emerged as promising candidates to meet this requirement. In this study, tetrakis(4-carboxyphenyl) porphyrin (...
Binary clusters of transition-metal and noble-metal elements have been gathering momentum for not only advanced fundamental understanding but also potential as elementary blocks of novel nanostructured materials. In this regard, the geometries, electronic structures, stability, and magnetic properties of Cr-doped Cun, Agn, and Aun clusters (n = 2–2...
In this work, a dual-polarized wide-angle energy harvester operating at 3.75 GHz is proposed for ambient RF energy harvesting applications. A 4x4 array harvester can efficiently harvest incident RF waves from all polarizations, resulting in high RF-AC efficiency of 94% and final RF-DC efficiency of 34% at 0.02 W/m2 input power density, or -15 dBm i...
According to the previous benchmark, Autodock Vina (Vina) achieved a very high successful-docking rate, p ̂, but give a rather a low correlation coefficient, R, for binding affinity with respect to experiment. This low correlation can be an obstacle for ranking of ligand-binding affinity, which is a main objective of docking simulations. The accura...