Abstract
Dy single-molecule magnets (SMMs), which have several potential uses in a variety of applications, such as quantum computing, were encapsulated in multi-walled carbon nanotubes (MWCNTs) by using a capillary method. Encapsulation was confirmed by using transmission electron microscopy (TEM). In alternating current magnetic measurements, the magnetic susceptibilities of the Dy acetylacetonato complexes showed clear frequency dependence even inside the MWCNTs, meaning that this hybrid can be used as magnetic materials in devices.
Highlights
Single-molecule magnets (SMMs) [1,2,3,4], which are composed of isolated molecules, usually with large spin angular momenta (S) in the ground state and strong uniaxial magnetic anisotropies (D), exhibit an extensive range of functional properties, like magnetic bistability [1], quantum tunneling of magnetization [5,6,7,8], and quantum coherence [9]
Encapsulation was verified by using transmission electron microscopy (TEM)
It was shown that Dy complexes maintained their SMM-like properties in the multi-walled carbon nanotubes (MWCNTs)
Summary
Single-molecule magnets (SMMs) [1,2,3,4], which are composed of isolated molecules, usually with large spin angular momenta (S) in the ground state and strong uniaxial magnetic anisotropies (D), exhibit an extensive range of functional properties, like magnetic bistability [1], quantum tunneling of magnetization [5,6,7,8], and quantum coherence [9]. SMMs have been combined with carbon nanotubes (CNTs) [14] and graphene [15] From these examples, when lanthanoid SMMs interact with nanocarbon materials, their electronic properties are affected. 3 (H2 O)2 @MWCNTs as free-standing entities were used to view interior of on the MWCNT hybrids; the structure images are illustrated observed, TEM and was there were no the complexes the external surfaces of the MWCNTs (Figure 1b). In order to confirm the encapsulation and characterize the MWCNTs was observed, as shown in Supplementary Materials Figure S1, showing that material present inside the MWCNTs, energy-dispersive X-ray (EDX) spectroscopy was used to. ◦in the case of Dy(acac)3(H2O)2@MWCNT, 22.3 wt % of a white compound remained even when T > 1000 C This material is thought to be Dy2 O3.
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