Thermal Diffusivity and Phase Transition of Rare Earth Manganites


Article Preview

Thermal diffusivity of nonstoichiometric PrMnO3 and NdMnO3 phases were measured by laser flash method from room temperature to 1100 K, in addition to the data of electrical conductivity, thermal analysis and high temperature X-ray diffractometry to detect the phase transition. The thermal diffusivity curve varied with increasing temperature and showed a clear anomaly with a sudden dip at the phase transition temperature. The transition temperature decreases with oxygen nonstoichiometry in each phase.



Key Engineering Materials (Volumes 321-323)

Edited by:

Seung-Seok Lee, Joon Hyun Lee, Ik Keun Park, Sung-Jin Song, Man Yong Choi




M. Kobayashi et al., "Thermal Diffusivity and Phase Transition of Rare Earth Manganites", Key Engineering Materials, Vols. 321-323, pp. 1695-1698, 2006

Online since:

October 2006




[1] C. P. Khattak and F. F. A. Wang, in: K. A. Gschneidner, Jr., L. Eyring (Eds. ), Handbook on the Physics and Chemistry of Rare Earths, North-Holland, Amsterdam, 1979, p.525, Chap. 29.

[2] A. Martinez-Jaurez, L. Sanchez, E. Chinarro, P. Recio, C. Pascual and J. R. Jurado: Solid State Ionics, 135 (2000) 525.

[3] A. J. Millis, P. B. Littlewood and B. I. Fhraiman: Phys. Rev. Lett., 74 (1995) 5144.

[4] Y. Tokura, A. Urushibara, Y. Moritomo, T. Arima, A. Asamitsu, G. Kido and N. Furukawa: J. Phys. Soc. Japan, 63 (1994) 3931.

[5] A. Urushibara, Y. Moritomo, T. Arima, A. Asamitsu, G. Kido and Y. Tokura: Phys. Rev., B51 (1995) 14103.

DOI: 10.1103/physrevb.51.14103

[6] Y. Yamada, O. Hino, S. Nohdo and R. Kanao: Phys. Rev Lett. 77 (1996) 904.

[7] A. Wold, R. J. Arnott and J B. Goodenough: J. Phys. Chem. Solid, 9 (1956?) 176.

[8] A. Wold and R. J. Arnott: J. Phys. Chem. Solids, 9 (1959) 176.

[9] Md. T. Haque, H. Satoh, N. Kamegashira: Mat. Lett. 58 (2004) 1571.

[10] G. H. Jonker, J. Appl. Phys., 22 (1956) 707.

[11] H. Satoh, M. Takagi, K. Kinukawa and N. Kamegashira: Thermochimica Acta, 299 (1997) 123.

DOI: 10.1016/s0040-6031(97)00147-0

[12] M. Kobayashi, H. Satoh, N. Kamegashira and K. Inoue: J. Alloys and Compounds, 192 (1993) 93.

[13] E. Pollert and Z. Jir�k: J. Solid State Chem., 35 (1980) 262.

[14] E. Pollert, S. krupi�ka and E. Kuzmi�ov�� J. Phys. Chem. Solids, 43 (1982) 1137.

[15] N. Kamegashira and Y. Miyazaki: J. Mater. Sci. Lett. 4 (1985) 103.

[16] N. Kamegashira and Y. Miyazaki: Mat. Res. Bull. 19 (1984) 176.

[17] T. Mori, K. Aoki, N. Kamegashira, T. Shishido, T. Fukuda: Mat. Lett. 42 (2000) 387.

[18] T. Mori, N. Kamegashira, K. Aoki, T. Shishido, T. Fukuda: Mat. Lett. 54 (2002) 238.

[19] V. A Cherepanov, L. Yu. Barkhatova, A. N. Petrov and V. I. Voronin: J. Solid State Chem., 118 (1995) 53.

[20] N. Kamegashira, Y. Miyazaki and H. Yamamoto: Mater. Chem. Phys., 11 (1984) 187.

[21] P. Kofstad: Nonstoichiometry, Diffusion, and Electrical Conductivity in Binary Metal Oxides (Wiley-Interscience, New York, 1972).

Fetching data from Crossref.
This may take some time to load.