NDLI: Magnetic characterization and low-temperature heat transport properties of the orthoferrites RFeO3(R = rare earth and Y) single crystals

Content Provider	IEEE Xplore Digital Library
Author	Zhang, F. Li, S. Song, J. Shi, J. Sun, X.
Copyright Year	2015
Description	Author affiliation: Univ. of Sci. & Technol. of China, Hefei, China (Zhang, F.; Li, S.; Song, J.; Shi, J.; Sun, X.)
Abstract	Summary form only given. Orthoferrites $RFeO_{3}(except$ R=Y, La and Lu) possess two sets of magnetic sublattice, that is, $Fe^{3+}$ sub-system and $R^{3+}$ sub-system. Magnetic properties and interactions between the two sub-systems including Fe-Fe, R-Fe, and R-R interactions depend on external parameters, such as temperature, magnetic field, etc. So real magnetic materials can exhibt rich low temperature characteristics. We have successfully grown the orthoferrites $RFeO_{3}(R$ = Dy, Ho and Y) and $Ho_{1-x}Y_{x}FeO_{3}(x$ = 0 .1 and 0 .3) by the floating zone technique using a four-mirror image furnace. The halogen lamp power and crystal growth atmosphere were identified to be the most important parameters. High-quality single crystals have been demonstrated by the X-ray diffraction data and X-ray Laue photograph. The magnetic transitions with decreasing temperature and the field-induced magnetic phase transitions in $RFeO_{3}$ for the rare earth ions and $Fe^{3+}$ can be characterized by low-temperature magnetization and specific heat measurements. In addition, we report the low-temperature heat transport measurements of these orthoferrites single crystals to probe the magnetic properties and find that they show strong magnetic field dependence. The characteristic fields have a good correspondence with some transformations of the magnetic structure. These special behaviors demonstrate the magnetic field-induced transitions of the $Fe^{3+}$ and $R^{3+}$ spin structure.
Starting Page	1
Ending Page	1
File Size	176485
Page Count	1
File Format	PDF
e-ISBN	9781479973224
DOI	10.1109/INTMAG.2015.7157359
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic resonance imaging Magnetic field measurement Crystals Heating Magnetic properties Temperature Temperature measurement
Content Type	Text
Resource Type	Article

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