Application of nuclear analytical spectroscopies and ion beams to the study of nanomaterials: cooperative projects between Vinatom and JINR (Dubna)

Tuyen Luu Anh1, Nguyen Quang Hung2,3, Nguyen Van Tiep4,5, Dinh Van Phuc2,3, Phan Trong Phuc6, Lo Thai Son6, Tran Đong Xuan2,3, Pham Thi Hue6, Nguyen Thi Ngoc Hue6, La Ly Nguyen6, Ngo Dang Trung6
1 Center for Nuclear Technologies - Vietnam Atomic Energy Institute
2 Institute of Fundamental and Applied Sciences (IFAS), Duy Tan University, Ho Chi Minh City
3 Faculty of Natural Sciences, Duy Tan University, Da Nang City
4 Joint Institute of Nuclear Research (JINR, Dubna, Russia)
5 Institute of Physics (IOP), Vietnam Academy of Science and Technology (VAST)
6 Center for Nuclear Technologies (CNT), Vietnam Atomic Energy Institute (Vinatom), Ho Chi Minh City

Main Article Content

Abstract

Due to the rapid scientific and technological development in the last decades, basic research in solid state physics, chemistry and material science has focused on objects and phenomena more and more confined in dimensions and time-scale, and well visible for the general publicity by introducing the terms “nanophysics, nanoscience, nanomaterials, etc.”, often featured in the media. Researchers therefore keep searching for better and better investigative techniques. Various nuclear analytical spectroscopies, such as Positron annihilation lifetime (PAL), Doppler broadening of positron annihilation energy (DB), Electron momentum distribution (EMD), Slow positron beam (SPB), Neutron diffractions (ND), Rutherford backscattering (RBS), etc., have proved themselves as useful tools for microscopic analysis of different material’s structure ranging from angstrom (Ȧ) to nanometer (nm) scales. Besides, ion beams generated from accelerators (electron, 1H, 2He, 40Ar, 86Kr, 109Ag, 123Xe, 184W, etc.) have also become very effective tools for modifying the micro structure of nanomaterials. These methods have been intensively utilized by our group at Vinatom with external collaborations from JINR (Dubna) in order to study the in-depth structure of different nanomaterials. This report introduces our research and collaborative activities, facilities and some recent highlighted results.

Article Details

References

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