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ISSN:    frecuency : 4   format : Electrónica

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Volume 30 Number 4 Year 2020

11 articles in this issue 

Nguyen Thi Dieu Linh,Nguyen Quang Tung,Do Quang Tham,Nguyen Vu Giang,Tran Huu Trung,Le Thi My Hanh,Nguyen Thi Thu Trang,Nguyen Thuy Chinh,Thai Hoang,Tran Thi Mai,Do Van Sy

The suspension of hydrous colloidal zirconia particles (CZPs) was prepared from zirconium oxychloride solutions via thermal hydrolysis at acidic condition and at boiling point of 110 ºC for 72 h. Characterization of the obtained suspension and dried solid... see more

 

Thom Thi Nguyen,Thu Phuong Nguyen,Hong Thi Cao,Kieu Anh Thi Vo,Thu Trang Thi Nguyen,Mai Thanh Thi Dinh,Dai Lam Tran,Nam Thi Pham

Climate change is increasingly clear and threatening to human life. One of the consequences of climate change is the increase of sea level leading to saline intrusion and serious shortage of fresh water. Today, some technologies are used to treat saline w... see more

 

Thien Vuong Nguyen,Thi My Linh Dang,Tuan Anh Nguyen

This work aims to explore how micro-/nano-ZnO particles enhance the mechanical, photoaging and self-cleaning properties of the water-borne acrylic coating. ZnO particles (at 2 wt.% by weight of total solid resin) were dispersed into the acrylic polymer ma... see more

 

Vuong Thien Nguyen,Linh Dang,Anh Nguyen,Thuy Hoang

This work aims to clarify the difference between the influence of TiO2 particles at micrometer and nanometer sizes on the mechanical properties and weathering durability of water-based acrylic coatings. To prepare coatings, micro-R-TiO2 and nano R-TiO2 pa... see more

 

Nguy?n Tu?n Dung

Graphene/polymer composite thin film electrodes have many important applications, but it is still difficult to fabricate them because of poor processability of graphene. This paper presents the primary results on using 3D printing technique for thin film ... see more

 

Ðoàn Thanh Tùng

In the present study, NiCo2S4-rGO (NCS-rGO) composites were fabricated by mixing active materials including NCS and rGO individually using polyvinypyrrolidone (PVP) as a binder to form a homogeneous mixture. Therein, rGO was prepared by modified Hummer’s ... see more

 

Vu Tran Quoc,Trang Chu Thi Gia,Minh Le Van,Thuy Nguyen Thi,Phuong Nguyen Thi Hong,Khoa Doan Quoc,Khoa Dinh Xuan,Bao Le Xuan,Lanh Chu Van,Ngoc Vo Thi Minh

In this paper, a photonic crystal fiber (PCF) with core infiltrated with Nitrobenzene is proposed and investigated. Its feature properties as the effective refractive index, effective mode area, chromatic dispersion, and confinement loss have been numeric... see more

Pags. 311  

Nguyen Thi Bich Ngoc

A flexible low-cost paper-based surface enhanced Raman scattering (SERS) substrate was successfully fabricated by direct chemical reduction of silver nanoparticles (AgNPs) onto a common commercially available filter paper. The influences of the silver nit... see more

Pags. 323  

Nguyen Manh Thang

In this paper, a new nonlinear double-arm optical tweezers combined Mach-Zenhder interferometer, objective lens and organic dye layer is proposed.  Based on the ray-optical and wave optical approximations, the expression describing the separation of ... see more

Pags. 331  

Van Huynh Tran,Thanh Tung Nguyen,Xuan Khuyen Bui,Dinh Lam Vu,Son Tung Bui,Thi Hong Hiep Le

Multi-band metamaterial absorbers have been of great interest owing to their potentials for a wide range of communicating, sensing, imaging, and energy harvesting applications. In this work, we experimentally investigate a four-band metamaterial absorber ... see more

Pags. 339  

Van Thai Nguyen,Hong Son Nguyen,Van Thang Pham,T. Tuyet Mai Nguyen,T. Lan Anh Luu,Huu Lam Nguyen,Duc Chien Nguyen,Cong Tu Nguyen

Monoclinic tungsten oxide (WO3) nanoplates were synthesized via a two-step simple process: acid precipitation at room temperature to prepare WO3.H2O nanoplates and annealing at high temperature (400 and 500 oC) in ambient air to obtain WO3 nanoplates. The... see more

Pags. 347