Crystal Chemistry and Conductivity Studies in the System La0.5++Li0.5−3Ti1−3Cr3O3

Martínez-Sarrión, M.L.; Mestres, L.; Morales, Manuel Poblano; Herraiz, M.

doi:10.1006/jssc.2000.8862

Cited by 10 publications

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References 15 publications

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“…The behaviour of the Pr 0.5+ x − y Bi y Li 0.5−3 x TiO 3 system is similar to that of the La 0.5+ x − y Bi y Li 0.5−3 x TiO 3 system,13 but, analogously to other systems of praseodymium, its ionic conductivity is lower than that of the corresponding lanthanum system 3,5,20…”

Section: Discussionmentioning

confidence: 52%

Synthesis and Electrical Properties of the Pr_0.5+_x₋_yBi_yLi_0.5−3_xTiO₃ System

et al. 2003

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The stoichiometry, polymorphism, and electrical behaviour of the solid solutions Pr 0.5+x−y Bi y Li 0.5−3x TiO 3 with perovskitelike structure have been studied. Data are given as a solid solution triangle, XRD patterns for two polymorphs T and O, the composition dependence of their parameters, and ionic conductivity plots. A region of perovskite-like solid solutions was obtained when the bismuth content in the general formula Pr 0.5+x−y Bi y Li 0.5−3x TiO 3 was y Յ 0.10 and the lithium IntroductionThere has been much recent interest in the development of novel ionic conductors as solid electrolytes in lithium batteries.[1Ϫ12] Fast ionic conductors with the general formula RE 0.5ϩx Li 0.5Ϫ3x TiO 3 , where RE ϭ La, Pr, Nd, and Sm have been reported, [7Ϫ12] for which the maximum conductivity was for the La series (1.1·10Ϫ3 S·cm Ϫ1 for x ϭ 0.07 at room temperature). [7] More recently the phase diagram, crystal chemistry, and ionic conductivity of the system La 0.5ϩxϪy Bi y Li 0.5Ϫ3x TiO 3 have been reported.[13] The compounds of this system are ionic conductors whose conductivity increases as the amount of lithium increases, up to x ϭ 0.075, but decreases when the amount of bismuth increases. The system with Bi needs less time in the thirst treatment at 1250°C than a similar system without bismuth. [13] We aimed to investigate the stoichiometry range, crystal chemistry, and electrical behaviour of materials of the general formula Pr 0.5ϩxϪy Bi y Li 0.5Ϫ3x TiO 3 and to establish the phase diagram at room temperature of the system Pr 0.67 TiO 3 /Pr 0.5 Li 0.5 TiO 3 /Bi 0.5 Li 0.5 TiO 3 . XRD patterns of perovskites with different Li and Bi contents have been analyzed and a study of the thermal treatment time with the [a] content was 0.033 Յ x Յ 0.133. The compounds are mixed conductors. With increasing amounts of lithium the ionic conductivity first increased, reached a maximum for x = 0.20, with a conductivity at 25°C of 6.639·10 −3 S·cm −1 , and then decreased.

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Section: Discussionmentioning

confidence: 52%

Synthesis and Electrical Properties of the Pr_0.5+_x₋_yBi_yLi_0.5−3_xTiO₃ System

et al. 2003

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“…In recent years, the phase diagrams, crystal chemistry and conductivity study of Pr 0.5+ x + y Li 0.5−3 x Ti 1−3 y Cr 3 y O 3 ,8 La 0.5+ x + y Li 0.5−3 x Ti 1−3 y Mn 3 y O 3 ,9 and La 0.5+ x + y Li 0.5−3 x Ti 1−3 y Cr 3 y O 3 ,10 have been reported.…”

Section: Introductionmentioning

confidence: 99%

Phase Diagram and Impedance Spectroscopy Study of the La _0.5+ _x−y Bi _y Li _{0.5−3
x} TiO ₃ System

Martínez-Sarrión

Mestres

Herraiz

et al. 2002

Euro J of Inorganic Chem

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“…The A-cation deficient compounds R 1−x TiO 3 with the perovskite-like structure are known in the systems of Ce, Pr and Nd [28,29,40,[44][45][46][47]. Many other investigations of physical and chemical properties of the A-site deficient titanates were performed in the last years [48][49][50][51][52].…”

Section: Introductionmentioning

confidence: 99%

A-site deficient perovskite-type compounds in the ternary CaTiO3-LaCrO3-La2/3TiO3 system

Vashook

Vasylechko

Trofimenko

et al. 2006

Journal of Alloys and Compounds

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Crystal Chemistry and Conductivity Studies in the System La0.5++Li0.5−3Ti1−3Cr3O3

Cited by 10 publications

References 15 publications

Synthesis and Electrical Properties of the Pr_0.5+_x₋_yBi_yLi_0.5−3_xTiO₃ System

Synthesis and Electrical Properties of the Pr_0.5+_x₋_yBi_yLi_0.5−3_xTiO₃ System

Phase Diagram and Impedance Spectroscopy Study of the La _0.5+ _x−y Bi _y Li _{0.5−3
x} TiO ₃ System

A-site deficient perovskite-type compounds in the ternary CaTiO3-LaCrO3-La2/3TiO3 system

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Crystal Chemistry and Conductivity Studies in the System La0.5++Li0.5−3Ti1−3Cr3O3

Cited by 10 publications

References 15 publications

Synthesis and Electrical Properties of the Pr0.5+x−yBiyLi0.5−3xTiO3 System

Synthesis and Electrical Properties of the Pr0.5+x−yBiyLi0.5−3xTiO3 System

Phase Diagram and Impedance Spectroscopy Study of the La 0.5+ x−y Bi y Li 0.5−3 x TiO 3 System

A-site deficient perovskite-type compounds in the ternary CaTiO3-LaCrO3-La2/3TiO3 system

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Synthesis and Electrical Properties of the Pr_0.5+_x₋_yBi_yLi_0.5−3_xTiO₃ System

Synthesis and Electrical Properties of the Pr_0.5+_x₋_yBi_yLi_0.5−3_xTiO₃ System

Phase Diagram and Impedance Spectroscopy Study of the La _0.5+ _x−y Bi _y Li _{0.5−3
x} TiO ₃ System