++++4 статьи из Sciencedirect Спасибо

[igor_chem]

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1
Structural change and magnetic properties of Y2BaNi1-xZnxO5 oxides
R. Saez-Puche, J. M. Coronado, C. L. Otero-Díaz and J. M. Martín Llorente
Journal of Solid State Chemistry, Volume 93, Issue 2, (1991), pp. 461-468.

DOI:

http://dx.doi.org/10.1016/0022-4596(91)90320-H

2
Micro-Raman and X-ray diffraction study of Y2BaNi1−xMxO5 (M=Mg, Zn) polymorphs
D. Capsoni, M. Bini, V. Massarotti, and P. Galinetto
Solid State Communications, Volume 122, Issues 7-8, (2002), pp. 367-372.

DOI:

http://dx.doi.org/10.1016/S0038-1098(02)00168-0

3
Relationship between microwave dielectric properties and chemical bonding in R2BaMO5 (R = rare earth, M = Cu and Zn) compounds
Yasuaki Tsuji, Akinori Kan, Hirotaka Ogawa and Soichi Ishihara
Journal of the European Ceramic Society, Volume 25, Issue 12, (2005), pp. 2883-2887.

DOI:

http://dx.doi.org/10.1016/j.jeurceramsoc.2005.03.159

4
Microwave dielectric properties of R2Ba(Cu1−xMx)O5 (R = Y and Yb, M = Zn and Ni) solid solutions
Akinori Kan, Hirotaka Ogawa and Hitoshi Ohsato
Materials Chemistry and Physics, Volume 79, Issues 2-3, (2003), pp. 184-186.

DOI:

http://dx.doi.org/10.1016/S0254-0584(02)00290-0

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Большое спасибо, eFo!