Thermoluminescence property of nano scale Al2O3: C by combustion method

2016 ◽  
Author(s):  
R. Bharthasaradhi ◽  
L. C. Nehru
Keyword(s):  
Combustion Method ◽  
Nano Scale ◽  
Thermoluminescence Property

Effect of Grain Size on the Luminescent Properties of Nano-Scale Gd2O3:Eu

2005 ◽  
Vol 23 ◽  
pp. 15-18 ◽  
Author(s):  
Qing Feng Liu ◽  
Qian Liu
Keyword(s):  
Grain Size ◽  
Luminescent Properties ◽  
Combustion Method ◽  
Lattice Parameter ◽  
Precipitation Process ◽  
Micro Scale ◽  
Grain Sizes ◽  
Nano Scale ◽  
Co Precipitation ◽  
Uv Excitation

Nano-scale Gd2O3:Eu phosphor powders were synthesized by combustion method. In this process, the grain sizes of nano-scale Gd2O3:Eu were controlled by changing the amount of citric acid. Compared with micro-scale powders obtained from co-precipitation process, XRD revealed that the lattice parameter of nano-scale powders Gd2O3:Eu decreased. Further detailed study show that the luminescent properties were related to the grain size of nano Gd2O3:Eu powders under UV excitation.

OPTICAL PROPERTIES OF Cd0.55Mn0.45Te FILMS WITH NANO-SCALE SURFACE FORMATIONS

2017 ◽  
Vol 76 (10) ◽  
pp. 865-871
Author(s):  
V. P. Makhniy ◽  
P. P. Horley ◽  
A. M. Slyotov
Keyword(s):  
Optical Properties ◽  
Nano Scale ◽  
Scale Surface

Correction: Molecular Dynamics Simulations of Nano-scale Icing Phenomena (Invited)

2020 ◽  
Author(s):  
Dong Meng ◽  
Amir Afshar ◽  
Randa Bassou ◽  
David S. Thompson ◽  
Jing Zong ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulations ◽  
Nano Scale ◽  
Dynamics Simulations

Microencapsulation and Nanoencapsulation: A Review

2017 ◽  
Vol 9 (3) ◽  
Author(s):  
V. Suganya ◽  
V. Anuradha
Keyword(s):  
Drug Release ◽  
New Technology ◽  
Inert Material ◽  
Food Industries ◽  
Control Drug ◽  
Advantages And Disadvantages ◽  
Nano Scale ◽  
Pharmaceutical Industries ◽  
The Difference ◽  
Control Drug Release

Encapsulation is a process of enclosing the substances within an inert material which protects from environment as well as control drug release. Recently, two type of encapsulation has been performed in several research. Nanoencapsulation is the coating of various substances within another material at sizes on the nano scale. Microencapsulation is similar to nanoencapsulation aside from it involving larger particles and having been done for a greater period of time than nanoencapsulation. Encapsulation is a new technology that has wide applications in pharmaceutical industries, agrochemical, food industries and cosmetics. In this review, the difference between micro and nano encapsulation has been explained. This article gives an overview of different methods and reason for encapsulation. The advantages and disadvantages of micro and nano encapsulation technology were also clearly mentioned in this paper.

Combustion Driven by Fragment-based Ab Initio Molecular Dynamics Simulation

2019 ◽  
Author(s):  
Liqun Cao ◽  
Jinzhe Zeng ◽  
Mingyuan Xu ◽  
Chih-Hao Chin ◽  
Tong Zhu ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Ab Initio ◽  
Large Scale ◽  
Methane Combustion ◽  
Combustion Method ◽  
Dynamics Simulation ◽  
Ab Initio Molecular Dynamics ◽  
Computational Time ◽  
Combustion Mechanism ◽  
Daily Lives

Combustion is a kind of important reaction that affects people's daily lives and the development of aerospace. Exploring the reaction mechanism contributes to the understanding of combustion and the more efficient use of fuels. Ab initio quantum mechanical (QM) calculation is precise but limited by its computational time for large-scale systems. In order to carry out reactive molecular dynamics (MD) simulation for combustion accurately and quickly, we develop the MFCC-combustion method in this study, which calculates the interaction between atoms using QM method at the level of MN15/6-31G(d). Each molecule in systems is treated as a fragment, and when the distance between any two atoms in different molecules is greater than 3.5 Å, a new fragment involved two molecules is produced in order to consider the two-body interaction. The deviations of MFCC-combustion from full system calculations are within a few kcal/mol, and the result clearly shows that the calculated energies of the different systems using MFCC-combustion are close to converging after the distance thresholds are larger than 3.5 Å for the two-body QM interactions. The methane combustion was studied with the MFCC-combustion method to explore the combustion mechanism of the methane-oxygen system.

Synthesis of Nanoporous Ceramic Materials for the Filtration of Liquids and Gases by the Technological Combustion Method

2020 ◽  
Vol 61 (6) ◽  
pp. 725-731
Author(s):  
M. I. Alymov ◽  
V. I. Uvarov ◽  
R. D. Kapustin ◽  
A. O. Kirillov ◽  
V. E. Loryan
Keyword(s):  
Combustion Method ◽  
Ceramic Materials
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