Optical absorption spectra and magnetic phase transitions in TbFe 3(BO3)4

A. V. Malakhovskii, S. L. Gnatchenko, I. S. Kachur, V. G. Piryatinskaya, A. L. Sukhachev, V. L. Temerov

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Optical absorption spectra of the trigonal crystal of TbFe 3(BO3)4 in the vicinity of the 7F65D4 transition in a Tb3+ ion were studied as a function of temperature (2-70 K) and magnetic field strength (0-60 kOe) at 2 K. The splitting of the excited states of Tb3+ due to both the magnetic ordering of iron and an external magnetic field was determined. Abrupt splitting of the absorption lines of Tb3+ at temperature TN of the magnetic ordering of the subsystem of iron was revealed, suggesting that the nature of such splitting is not entirely magnetic.

Original languageEnglish
Pages (from-to)721-723
Number of pages3
JournalBulletin of the Russian Academy of Sciences: Physics
Issue number5
StatePublished - May 2010
Externally publishedYes


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