The observation of spin reorientation phase transition in SmFeO3 and mixed crystal by terahertz time domain spectroscopy
Abstract
Rare earth orthoferrite (R-FeO3, R : rare-earth element) has spin reorientation phase transition (SRPT) at specific temperature and SRPT temperature can be controlled by mixing two different types of R-FeO3. Through the observation of two magnetic resonance modes change by terahertz time domain spectroscopy (THz-TDS), we succeeded in observing SRPT which occurs at 480 K for SmFeO3 and controlling the SRPT temperature for around room temperature (~310 K) in Sm1-xErxFeO3.
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From laboratory to society: Physics in nation building
29 May-1 June 2019, Tagbilaran City
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