Author:
Chauhan Harish Chandr,Kumar Birendra,Ghosh Subhasis
Abstract
AbstractSkyrmion host chiral Cu$$_2$$
2
OSeO$$_3$$
3
has attracted researchers due to several intriguing properties. Observation of metamagnetism in low-temperature and low-field makes the magnetic properties of Cu$$_2$$
2
OSeO$$_3$$
3
more complex. Here, we present an investigation on metamagnetism in Cu$$_2$$
2
OSeO$$_3$$
3
by analyzing its structural and magnetic properties. Study of magnetic properties reveal spin-flip of one of the Cu$$^{2+}$$
2
+
ions, embedded in square pyramidal CuO$$_5$$
5
polyhedra, due to the development of strain in low-temperature and low-field regime. The spin-flip is found to be the main reason for field-induced first-order metamagnetic transition. Magnetic phase diagram of Cu$$_2$$
2
OSeO$$_3$$
3
has been constructed with the help of magnetization analyses. It is argued that the metamagnetic hysteretic field region may be low-temperature skyrmion phase with additional spiral and tilted-conical phases. A tricritical point has been observed in the phase diagram at which first-order metamagnetic hysteretic field range ceases to exist.
Publisher
Springer Science and Business Media LLC
Cited by
2 articles.
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