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Structure peculiarities of nanocrystalline solid solutions in GdAlO3 – GdFeO3 system

Abstract

Nanoparticles of solid solutions in GdAlO3 — GdFeO3 system have been synthe- sized. Plots of crystalline sizes for GdAl1xFexO3 series versus GdFeO3 composition have been constructed. The sizes of solid solution nanoparticles were shown to decrease in com- parison to the sizes of nanocrystalline individual compounds. The observed regularities allowed us to assume the formation of nanocrystalline GdAl1xFexO3 series with core-shell morphology.

About the Authors

E. A. Tugova
Ioffe Physical Technical Institute of RAS; Saint Petersburg State Institute of Technology
Russian Federation

Saint Petersburg



V. V. Gusarov
Ioffe Physical Technical Institute of RAS; Saint Petersburg State Institute of Technology
Russian Federation

Saint Petersburg



References

1. Stølen S., Grønvold F., Brinks H. Heat capacity and thermodynamic properties of LaFeO3 and LaCoO3 from T = 13 K to T=1000 K, J. Chem. Thermodynamics, 30, P. 365–377 (1998).

2. Zhang Yu., Yang J., Xu J., Gao Q., Hong Zh. Controllable synthesis of hexagonal and orthorhombic YFeO3 and their visible-light photocatalytic activities. Materials Letters, 81, P. 1–4 (2012).

3. Zong Ya., Fujita K., Akamatsu H., Murai Sh., Katsuhisa Tanaka K. Antiferromagnetism of perovskite EuZrO3. Journal of Solid State Chemistry, 183, P. 168–172 (2010).

4. Goto T., Kimura T., Lawes G., Ramirez A.P., Tokura Y. Ferroelectricity and giant magnetocapacitance in perovskite rare-earth manganites. Physical review letters, 92, P. 257201 (2004).

5. Bondar’ I. A., Shirvinskaya A. K., Popova V. F., Mochalov I. V., Ivanov, A. O., Thermal Stability of Orthoaluminates of Rare-Earth Elements of the Yttrium Subgroup. Dokl. Akad. Nauk SSSR, 246(5), P. 1132–1136 (1979).

6. Petrosyan A. G., Popova V. F., Gusarov V. V., Shirinyan G. O., Pedrini C., Lecoq P. The Lu2O3 – Al2O3 system: relationships for equilibrium-phase and supercooled states. J. Crystal Growth, 293, P. 74–77 (2006).

7. Tsipis E. V., Kharton V. V., Waerenborgh J. C., Rojas D. P., Naumovich E. N., Frade J. R. Redox behavior of acceptor-doped La(Al,Fe)O3−δ. Journal of Alloys and Compounds, 413, P. 244–250 (2006).

8. Sagdahl L. T., Einarsrud M. A, Grande T. Sintering behaviour of La1−xSrxFeO3−δ mixed conductors. J. Eur. Ceram. Soc., 26, P. 3665–3673 (2006).

9. Ning L., Guoqing Ya., Guang Z., Huanyin G.. Effect of Dy doping on magnetism of La0.7Sr0.3CoO3 system. Rare Metals, 31(2), P. 135–139 (2012).

10. Savinskaya O. A., Nemudry A. P., Lyakhov N. Z. Synthesis and Properties of SrFe1−xMxO3−z (M=Mo, W) Perovskites. Inorg. Mater, 43(12), P. 1350–1360 (2007).

11. Hrovat M., Holc. J., Kuˇ sˇ cer D., Bernik S. Preliminary data on subsolidus phase equilibria in the La2O3–Al2O3–Mn2O3 and La2O3–Al2O3–Fe2O3 systems. J. Mater.Sci. Lett. 14(4). P. 265–267 (1995).

12. Kuˇ sˇ cer D., Hanzˇ zel D., Holc J., Marko Hrovat M., Kolar D. Defect Structure and Electrical Properties of La1−ySryFe1−xAlxO3−δ, J. Am. Ceram. Soc., 84(5), P. 1148–1154 (2001).

13. Shivakumara C. Low temperature synthesis and characterization of rare earth orthoferrites LnFeO3 (Ln=La, Pr and Nd) from molten NaOH flux. Solid State Communications, 139, P. 165–169 (2006).

14. Popa M., Calderon Moreno J. ˙ M., Lanthanum ferrite ferromagnetic nanocrystallites by a polymeric precursor route. Journal of Alloys and Compounds, 509, P. 4108–4116 (2011).

15. Cizauskaite S., Reichlova V., Nenartaviciene G., Beganskiene A., Pinkas J., Kareiva A. Sol-gel preparation and characterization of gadolinium aluminate. Materials Chemistry and Physics, 102, P. 105–110 (2007).

16. Andr´ es-Verg´ es M., Morales M. del P., Veintemillas-Verdaguer S., Palomares F. Ja., Serna C.J., Core/shell magnetite/bismuth oxide nanocrystals with tunable size, colloidal and magnetic properties, Chem. Mater., 24, P. 319–324 (2012).

17. Melekhin V G., Kolobkova E. V., Lipovskii A. A., Petrikov V. D., Almjasheva O. V. Formation of Nanostructures of the Core–Shell Type upon Diffusion Phase Decomposition of Fluorophosphate Glasses. Glass Physics and Chemistry, 33(6), P. 569–575 (2007).

18. Tomkovich M. V., Andrievskaya E. R., Gusarov V. V. Formation under hydrothermal conditions and structural features of nanoparticles based on the system ZrO2–Gd2O3. Nanosystems: physics, chemistry, mathematics, 2(2), P. 6–14 (2011).

19. Al’myasheva O. V., Gusarov V. V. Nucleation in media in which nanoparticles of another phase are distributed. Doklady Physical Chemistry, 424(2), P. 43–45 (2009).

20. Tugova E. A. GdFeO3 nanoparticles formation in Gd2O3–Fe2O3–H2O system. Proceedings of “Scientific-practical conference dedicated to the 184th anniversary of St. Petersburg state institute of technology foundation”. St. Petersburg, 29-30th of November 2012, P. 200 (2012).


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For citations:


Tugova E.A., Gusarov V.V. Structure peculiarities of nanocrystalline solid solutions in GdAlO3 – GdFeO3 system. Nanosystems: Physics, Chemistry, Mathematics. 2013;4(3):352-356.

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