Synthesis and Characterisation of Ho-doped Barium Titanate
Author | : Yang Liu |
Publisher | : |
Total Pages | : |
Release | : 2009 |
Genre | : |
ISBN | : |
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Author | : Yang Liu |
Publisher | : |
Total Pages | : |
Release | : 2009 |
Genre | : |
ISBN | : |
Author | : Mandy J. Rampling |
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Total Pages | : |
Release | : 2003 |
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Author | : Nur Farahin Abdul Hamid |
Publisher | : |
Total Pages | : 128 |
Release | : 2016 |
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ISBN | : |
There are three main parts of this research. First, the parent compositions of pure BaTiO3 were studied as a standard sample. The optimum temperatures for synthesis were determined based on pure BaTiO3 sample. Second, the solid solution limit for La-doped BaTiO3 were investigated. For the effect of doping, the analogue’s composition of Ba1-xLaxTiO3 and Ba1-xLaxTi1-x/4O3 are synthesized and studied ; next, the structural properties of lanthanum doped barium titanate was characterized by using X-ray Diffraction (XRD) and Rietveld Refinement analysis. The analysis followed by electrical characterization using impedance spectroscopy.
Author | : Finlay D. Morrison |
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Total Pages | : |
Release | : 1999 |
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Author | : Hanady Yaseen |
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Total Pages | : 170 |
Release | : 2005 |
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Author | : Nilave Chakraborty |
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Total Pages | : 158 |
Release | : 2020 |
Genre | : Microelectronics |
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Author | : Kapildev Kulkarni |
Publisher | : |
Total Pages | : 160 |
Release | : 2004 |
Genre | : Barium |
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"The fundamental aspect of this research was to synthesize nano particles of certain materials and to investigate their properties related to potential use in spin-field effect transistor (Spin-FET). Barium titanate was doped with ferromagnetic material and nano particles of this material were synthesized using a sol-gel process. Sol-gels were characterized for their size and shape using an atomic force microscope and a scanning electron microscope. Composition of these compounds and the distribution of dopents were investigated using x-ray fluorescence and the scanning electron microscope. Dielectric properties were measured using high precision impedance, capacitance, and resistance (LCR) meter. Barium titanate, when doped with ferromagnetic materials, becomes ferroelectric material. Ferroelectric materials have finite polarization even in the absence of an applied electric field, which can be exploited for their use as source/drain in spin-FET. The sintering temperature and pH of the sol-gel solution play important roles in determining the dielectric constants, particle size and distribution of dopent in barium titanate. It was found that iron has advantage over nickel and cobalt as a dopent, as it has high electrical susceptibility"--Leaf iii.
Author | : 伍祖璁 |
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Total Pages | : |
Release | : 2002 |
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Author | : Sang-Sub Han |
Publisher | : |
Total Pages | : 164 |
Release | : 1992 |
Genre | : Barium compounds |
ISBN | : |
Author | : Jon Fredrick Ihlefeld |
Publisher | : |
Total Pages | : 250 |
Release | : 2006 |
Genre | : |
ISBN | : |
Keywords: hafnium, tin, zirconium, flux, copper, equilibria, grain size, size effects, sol-gel, barium titanate, film, ferroelectric, doping.