The bismuth - doping effect on the Jahn-Teller phase transition in CsDy(MoO4)2 crystal

• Autorzy: Gerashchenko S. S. , Miloslavskaya O. V. , Kharchenko Y. N. , Kutko V. I. , Nesterenko N. M. , Macalik L. , Hermanowicz K. , Mączka M. , Hanuza J.
• Konferencja: International Conference on Sol-Gel materials SGM 2001, Rokosowo, Poland
• Języki publikacji: EN

Abstrakty

EN

Using spectroscopic and visual optical methods the shift of the critical temperature (Ttr~42K) of the first-order phase transition of the Jahn-Teller type to the lowtemperature side at doping the CsDy(MoO4)2 crystal with Bi3+ (concentration up to x~0.08) was revealed. Effect of the doping is compared to the effect of uniaxial pressure. Using the result of the Zeeman effect we have calculated the critical value Hc of external magnetic field at which the spontaneous change of the sizes of crystal is suppressed under magnetic field and the high-temperature phase may be induced at T=0°K. It is supposed that doping with Bi3+ leads to decrease of the critical magnetic field value for doped CsDy(MoO4)2 .

Słowa kluczowe

EN

bi-doping; Jahn-Teller effect; uniaxial pressure

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Materials Science
• Rocznik: 2002
• Tom: Vol. 20, No. 2
• Strony: 81--89
• Opis fizyczny: Bibliogr. 19 poz.

Twórcy

autor

Gerashchenko S. S.

• Institute for Low Temperature Physics & Engineering NAScU, Kharkiv, Ukraine

autor

Miloslavskaya O. V.

• Institute for Low Temperature Physics & Engineering NAScU, Kharkiv, Ukraine

autor

Kharchenko Y. N.

• Institute for Low Temperature Physics & Engineering NAScU, Kharkiv, Ukraine

autor

Kutko V. I.

• Institute for Low Temperature Physics & Engineering NAScU, Kharkiv, Ukraine

autor

Nesterenko N. M.

• Institute for Low Temperature Physics & Engineering NAScU, Kharkiv, Ukraine

autor

Macalik L.

• Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 2 Okólna St., 50-950 Wrocław, Poland

autor

Hermanowicz K.

• Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 2 Okólna St., 50-950 Wrocław, Poland

autor

Mączka M.

• Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 2 Okólna St., 50-950 Wrocław, Poland

autor

Hanuza J.

• Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 2 Okólna St., 50-950 Wrocław, Poland
• Department of Bioorganic Chemistry, Faculty of Engineering and Economics, University of Economics, 53-345 Wrocław, 118/120 Komandorska str., Poland

Bibliografia

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