期刊
LANGMUIR
卷 37, 期 33, 页码 10150-10158出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.1c01577
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资金
- MacDiarmid Institute for Advanced Materials and Nanotechnology, New Zealand
This paper demonstrates the generation of 2-D order in a Langmuir-Blodgett monolayer of magnetic soft spheres using a large-amplitude surface-pressure annealing technique. The distorted square lattice in the films is interpreted as due to geometric frustration caused by 2-D confinement between soft walls. Hysteresis and relaxation phenomena in the 2-D layers are suggested to be due to folding and time-dependent interpenetration of surfactant chains.
As a step toward the bottom-up construction of magnonic systems, this paper demonstrates the use of a large-amplitude surface-pressure annealing technique to generate 2-D order in a Langmuir-Blodgett monolayer of magnetic soft spheres comprising a surfactant-encapsulated polyoxometalate. The films show a distorted square lattice interpreted as due to geometric frustration caused by 2-D confinement between soft walls, one being the air interface and the other the aqueous subphase. Hysteresis and relaxation phenomena in the 2-D layers are suggested to be due to folding and time-dependent interpenetration of surfactant chains.
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