Bhatt, Pramod ; Kumar, Amit ; Meena, S. S. ; Mukadam, M. D. ; Yusuf, S. M. (2016) Magnetic proximity effect in ferrimagnetic–ferromagnetic core–shell Prussian blue analogues molecular magnet Chemical Physics Letters, 651 . pp. 155-160. ISSN 0009-2614
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.cplett.2016.03.047
Abstract
A magnetic proximity effect has been observed in core–shell structure of molecular magnet, Mn1.5[Cr(CN)6]·mH2O@Ni1.5[Cr(CN)6]·nH2O, synthesized using a ferrimagnetic core of Mn1.5[Cr(CN)6]·7.5H2O surrounded by a ferromagnetic shell of Ni1.5[Cr(CN)6]·7.5H2O. The values of Curie temperature (TC) are found to be of ∼65 and ∼60 K for the bare–core and bare–shell compounds, respectively. However, an enhanced TC (∼70 K) has been observed for the core–shell structure. The proximity effect (due to presence of interface exchange coupling) between core and shell is responsible for the observed enhancement of TC. A neutron depolarization study also confirms finite depolarization below ∼70 K.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 111632 |
| Deposited On: | 01 Dec 2017 11:51 |
| Last Modified: | 01 Dec 2017 11:51 |
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