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pro vyhledávání: '"M. Cioangher"'
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Autor:
M. Cioangher, L. Amarande, C. Miclea, V. Toma, A. Iuga, Iuliana Pasuk, A.C. Joita, M. Stefan, A.M. Palici, E. Matei, C. Negrila
Publikováno v:
Ceramics International. 47:33382-33389
Piezoelectric hard/soft effects of multivalence co-dopants (Sb and Mn) in correlation with their location in the lattice, were investigated in PZT ceramics, prepared by conventional ceramic technology, with the following compositions: Pb0.98Sr0.02 ((
Autor:
S.G. Greculeasa, C. Comanescu, N. Iacob, A. Kuncser, I. Smaranda, L. Amarande, M. Cioangher, M. Burdușel, V. Teodorescu
Publikováno v:
Physica B: Condensed Matter. 642:414139
Autor:
A.C. Popa, M. Cioangher, Catalin Luculescu, George E. Stan, Marius Necsulescu, Bryan W. Stuart, David M. Grant, Viorel Georgel Dumitru, José M.F. Ferreira, Hugo R. Fernandes
Publikováno v:
Ceramics International. 45:4368-4380
A series of seven alkali-free silica-based bioactive glasses (SBG) with ZnO and/or SrO additives (in concentrations of 0–12 mol%) were synthesized by melt-quenching, aiming to delineate a candidate formulation possessing (i) a coefficient of therma
Autor:
Lucian Pintilie, Luminita Amarande, V. Stancu, Aandrei G. Tomulescu, Lucia Leonat, A. Iuga, Luminita M. Balescu, Mihaela Botea, M. Cioangher
Publikováno v:
Processing and Application of Ceramics, Vol 13, Iss 3, Pp 269-276 (2019)
Ba0.75Sr0.25TiO3 (BST) and PbZr0.68Fe0.14Nb0.14Ti0.04O3 (PZFNT) ceramic pellets were obtained by ceramic technology and their structural, ferroelectric and pyroelectric properties were investigated. The relative density of BST and PZFNT is about 93%
Publikováno v:
Ceramics International. 43:4919-4925
Pure BT and BT doped with 1 and 2 mol% Zr, with orthorhombic-tetragonal (O-T) phase transitions near room temperature were prepared, with different grain sizes, by conventional ceramic method, at various sintering temperatures. Intrinsic and extrinsi
Publikováno v:
Journal of Alloys and Compounds. 685:159-166
The effect of 1 and 2 mol % V addition on sintering conditions, structural and functional properties of Nb Li co-doped PZT ceramics, prepared by conventional ceramic method, was systematically studied, by different experimental techniques. The report
Publikováno v:
Journal of the European Ceramic Society. 34:1191-1200
Effects of Ni, Nb and Mn co-doping on microstructural, dielectric and electromechanical properties of lead titanate (PT) dense ceramics, obtained as a result of decreasing lattice anisotropy with increasing amount of co-dopants, were investigated. Di
Publikováno v:
Journal of Materials Science. 46:6830-6834
Due to its low resistivity and excellent thermal stability, IrO2 has attracted attention as an alternative for electrode material in ferroelectric integrated circuit applications. Oriented growth of IrO2 electrode film was investigated with the goal
Autor:
M. Cioangher, T. Tanasoiu, Iuliana Pasuk, L. Amarande, C. Miclea, A. Iuga, M.N. Grecu, Lucian Trupina
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 56:1792-1798
Lead titanate (PT) ceramics co-doped with 8 to 13 mol% Ni-Nb, by substituting titanium ions, were prepared by conventional ceramic method and the influence of Ni-Nb doping level on their morpho-structural, electromechanical and dielectric properties