Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Le Dai Vuong"'
Autor:
Dao Anh Quang, Le Dai Vuong
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 7, Iss 2, Pp 100436- (2022)
Pb [(Zr0.48Ti0.52)0.8(Zn1/3Nb2/3)0.125(Mn1/3Nb2/3)0.075]O3 + 0.07 wt.% Li2CO3 + x wt.% Fe2O3 ceramics (PZT–PZN–PMnN; x = 0–0.35) were prepared following the B-site oxide mixing method. Results obtained using the Rietveld refinement and Raman sp
Externí odkaz:
https://doaj.org/article/189e55c3c7844eada942019f6a9d8e13
Autor:
Nguyen Truong Tho, Le Dai Vuong
Publikováno v:
Tạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, Vol 129, Iss 1D, Pp 5-13 (2020)
The effect of the ZnO addition to the pure perovskite PZT-PMnN-PSbN ceramics sintered at 950–1200 °C was investigated. The phase structure of ceramics changes from rhombohedral to tetragonal, and the sintering temperature decreases with the increa
Externí odkaz:
https://doaj.org/article/bc12c4f0e8d14844a3130feb97fafa6f
Autor:
Le Dai Vuong, Nguyen Quang Lich, Ngo Xuan Cuong, Vo Quang Nha, Nguyen Dang Nhat, Le Dinh Hieu, Lai Phươc Son, Huynh Thi Thuy Linh, Nguyen Huu Chuc, Tran Nguyen An Tuyen, Trinh Ngoc Dat, Pai-Chun Wei
Publikováno v:
Materials Research Express, Vol 10, Iss 10, p 105701 (2023)
Lead-free (K _0.48 Na _0.48 Li _0.04 )(Nb _0.95 Sb _0.05 )O _3 (KNLNS) ceramics have been successfully optimized for the calcination and two-step sintering temperatures. The experimental results reveal that the KNLNS powder calcined at 850 or 900 °C
Externí odkaz:
https://doaj.org/article/26eccd82e4f74386aaa0312dd11fa3a1
Autor:
Le Dai Vuong, Dao Anh Quang, Dang Anh Tuan, Nguyen Ngoc Trac, Nguyen Khanh Quang, Vo Thi Thanh Kieu, Dao Duy Hong Ngoc
Publikováno v:
Tạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, Vol 128, Iss 1C, Pp 55-62 (2019)
Trong nghiên cứu này, các khuôn Bi4Ti3O12 (BiT) được tổng hợp bằng phương pháp muối nóng chảy trong hỗn hợp Na2CO3 – K2CO3. Các khuôn BiT hình thành và phát triển tốt tại nhiệt độ nung 1050 °C với hì
Externí odkaz:
https://doaj.org/article/06a86167ef3246b99d6f59d6b6e26821
Publikováno v:
Journal of Advanced Dielectrics, Vol 11, Iss 2, Pp 2150014-1-2150014-10 (2021)
BaTiO3 nanoparticles were synthesized by hydrothermal method using amorphous phase TiO2 precursor as the Ti-source. The microstructure and phase structure were determined using XRD, SEM and Raman spectroscopy analysis results. The results showed that
Externí odkaz:
https://doaj.org/article/f74a4a2385f543eca5b922c13cb5d0d8
Autor:
Nguyen Truong-Tho, Le Dai Vuong
Publikováno v:
Journal of Advanced Dielectrics, Vol 10, Iss 4, Pp 2050011-1-2050011-9 (2020)
Sintered lead-free Bi0.5(Na0.8K0.2)0.5(Ti0.96Sn0.04)O3 ceramics (BNKTS) have been fabricated via a solid-state reaction. The effect of sintering temperature on the structural, morphological, dielectric, ferroelectric and energy storage properties of
Externí odkaz:
https://doaj.org/article/cb7c12107c2e49038087c81155705f6f
Publikováno v:
Advances in Materials Science and Engineering, Vol 2014 (2014)
The 0.9Pb(ZrxTi1−x)O3-0.07Pb(Mn1/3Nb2/3)O3-0.03Pb(Sb1/2Nb1/2)O3 (PZT-PMnN-PSN) ceramics were prepared by columbite method. The phase structure of the ceramic samples was analyzed. Results show that the pure perovskite phase is in all ceramics speci
Externí odkaz:
https://doaj.org/article/77c76a367dce45fbbcbba65f311e6bfb
Akademický článek
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Publikováno v:
Journal of Experimental Biology and Agricultural Sciences. 10:1024-1032
This study has been carried out to analyze the physical and biological indicators of shrimp pond sludge samples obtained from the Phu Vang and Phu Loc districts of the Thua Thien Hue Province, Vietnam. All standard methodologies have been used to ana
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b049105c225c19c813455fcb1dfa07ac
https://doi.org/10.18006/2022.10(5).1024.1032
https://doi.org/10.18006/2022.10(5).1024.1032
Publikováno v:
ACS Omega; 11/14/2023, Vol. 8 Issue 4, p42177-42185, 9p