A monometallic lanthanide bis(methanediide) single molecule magnet with a large energy barrier and complex spin relaxation behaviour
Однометаллический бис(метанидный) лантанидный одно-молекулярный магнит с высоким энергетическим барьером и сложным поведением спиновой релаксации
2015-11-23
SCID: 54.1/ba6s8bmb
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bis(methanediide)energy barrierlanthanide single-molecule magnetmagnetic blocking temperaturespin relaxation
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Abstract (AI)
values of 742 and 810 K compare very well to experimental magnetism and luminescence data. This work validates a design strategy towards realising high-temperature SMMs and produces unusual spin relaxation behaviour where the magnetic observables are out-of-equilibrium some 6 K above the formal blocking temperature.
Key Findings
1
A monometallic lanthanide bis(methanediide) single-molecule magnet exhibits a large energy barrier for magnetization reversal.
2
Calculated energy barriers of 742 and 810 K agree closely with experimental magnetic and luminescence data.
3
The compound displays complex spin relaxation, with magnetic observables remaining out of equilibrium approximately 6 K above the formal blocking temperature.
4
The study validates a design strategy for realizing high-temperature single-molecule magnets.
Research Object
a monometallic lanthanide bis(methanediide) single-molecule magnet
Research Subject
its large energy barrier and complex, nonequilibrium spin-relaxation behavior, including magnetic observables above the formal blocking temperature
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2015-11-23
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