Výsledky vyhledávání - "Hieu T. Nguyen-Truong"

Optical absorption spectra of Xene and Xane (X

Autor: Hieu T, Nguyen-Truong, Vo, Van On, Ming-Fa, Lin

Publikováno v: Journal of physics. Condensed matter : an Institute of Physics journal. 33(35)

We study optical absorption spectra of Xene and Xane (X = silic, german, stan). The results show that the optical absorption spectra of Xenes are dominated by a sharp peak near the origin due to direct interband transitions near the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::aeb958335fae6a3663c7f87fd24829c6
https://pubmed.ncbi.nlm.nih.gov/34157695

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Dielectric and optical properties of cubic perovskites ATiO3 (A = Ca, Sr, Ba, Pb)

Autor: Le Hong Phuc, Nguyen Quan Hien, Hieu T. Nguyen-Truong

Publikováno v: Solid State Communications. 350:114760

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de610daf19562e4b1031f329cbdc4419
https://doi.org/10.1016/j.ssc.2022.114760

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Excitation Spectra of Cubic Perovskite Titanates

Autor: Le Hong Phuc, Nguyen Quang Hien, Hieu T. Nguyen-Truong, Hung M. Le

Publikováno v: Communications in Physics. 32:49

We calculate excitation spectra of cubic perovskites ATiO3 (A = Ca, Sr, Ba, Pb). The calculations are performed within the time-dependent density functional theory, including local field effects. The theoretical calculations show that the perovskites

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3c19a90c9032500ce680b68284e3b7f
https://doi.org/10.15625/0868-3166/16343

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Ab initio direct dynamics of transition metal atom/dimers bombardments onto graphene: Evolution of magnetic alignment

Autor: Hung M. Le, Duc Nguyen-Manh, Hieu T. Nguyen-Truong, Yoshiyuki Kawazoe

Publikováno v: Carbon. 115:791-802

In this theoretical study, we perform direct ab initio molecular dynamic simulations for the collisions of Cr/Fe atom/dimer with the graphene surface to study the evolution of magnetic moment. During the dynamic process, the change in magnetic behavi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0855ae695a24b44c796ed6cac578b79
https://doi.org/10.1016/j.carbon.2016.11.078

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Low-energy electron inelastic mean free path for monolayer graphene

Autor: Hideki Yoshikawa, Zejun Ding, Lihao Yang, Hieu T. Nguyen-Truong, Shigeo Tanuma, Bo Da

Publikováno v: Applied Physics Letters. 117:033103

The electron inelastic mean free path (IMFP) is an important quantity for electron spectroscopy and microscopy techniques. At present, there are very few data of IMFPs for two-dimensional (2D) materials. Here, we determine the IMFP at energies below

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::44cef01db69c1d53d46ab93c250b9da6
https://doi.org/10.1063/5.0016284

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Effects of Heat Treatment and Yb 3+ Concentration on the Downconversion Emission of Er 3+ /Yb 3+ Co-Doped Transparent Silicate Glass-Ceramics

Autor: Tran Duy Tap, Hieu T. Nguyen-Truong, Jianbei Qiu, Ho Kim Dan, Nguyen Minh Ty, Dacheng Zhou

Publikováno v: Materials Research v.22 n.5 2019
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Vol 22, Iss 5 (2019)

The SiO2-Al2O3-BaF2-TiO2-CaF2 transparent silicate glass-ceramics containing BaF2 nanocrystals were successfully prepared by heat treatment process through conventional melting method. Effects of heat treatment processes and Yb3+ concentration on the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bbe4255e1653bfb0900a48ab0bb426f7
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392019000500215

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Effects of Y3+on the enhancement NIR emission of Bi+-Er3+ co-doped in transparent silicate glass-ceramics for Erbium-doped fiber amplifier (EDFA)

Autor: Ho Kim Dan, Dacheng Zhou, Dai-Nam Le, Jianbei Qiu, Rongfei Wang, Hieu T. Nguyen-Truong, Ha Xuan Vinh, Tran Duy Tap, Nguyen Minh Ty

Publikováno v: Journal of Luminescence. 219:116942

We study effects of Y3+ on the enhancement near-infrared emission of Bi+-Er3+ co-doped in transparent silicate glass-ceramics for optical amplifiers. The differential thermal analysis, X-ray diffraction, transmission electron microscopy to determine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2449194651b5cc71b4d0e3ae9c8058cc
https://doi.org/10.1016/j.jlumin.2019.116942

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Low-energy electron inelastic mean free paths for liquid water

Autor: Hieu T. Nguyen-Truong

Publikováno v: Journal of physics. Condensed matter : an Institute of Physics journal. 30(15)

We improve the Mermin-Penn algorithm (MPA) for determining the energy loss function (ELF) within the dielectric formalism. The present algorithm is applicable not only to real metals, but also to materials that have an energy gap in the excitation sp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c544e51ba0ed9a02d71f6bf8371c3893
https://pubmed.ncbi.nlm.nih.gov/29504941

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