Atomic force microscopy and near-field optical imaging of a spin transition

被引：13
|
作者：
Lopes, Manuel [1 ,2 ]
Quintero, Carlos M. [1 ,2 ]
Hernandez, Edna M. [1 ,2 ]
Velazquez, Victor [3 ]
Bartual-Murgui, Carlos [1 ,2 ]
Nicolazzi, William [1 ,2 ]
Salmon, Lionel [1 ,2 ]
Molnar, Gabor [1 ,2 ]
Bousseksou, Azzedine [1 ,2 ]
机构：
[1] CNRS, Chim Coordinat Lab, F-31077 Toulouse, France
[2] Univ Toulouse UPS, INP, F-31077 Toulouse, France
[3] Univ Nacl Autonoma Mexico, Fac Ciencias, Mexico City 04510, DF, Mexico
来源：
NANOSCALE | 2013年 / 5卷 / 17期
关键词：
CROSSOVER COORDINATION POLYMERS; SINGLE-CRYSTALS; ROOM-TEMPERATURE; FILMS; SPECTROSCOPY; HYSTERESIS; NI; PD;
D O I：
10.1039/c3nr03030j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report on atomic force microscopy (AFM) and near-field scanning optical microscopy (NSOM) investigations of single crystals of the spin crossover complex {Fe(pyrazine)[Pt(CN)(4)]} across the first-order thermal spin transition. We demonstrate for the first time that the change in spin state can be probed with sub-micrometer spatial resolution through various topographic features extracted from AFM data. This original approach based on surface topography analysis should be easy to implement to any phase change material exhibiting sizeable electron-lattice coupling. In addition, AFM images revealed specific topographic features in the crystals, which were correlated with the spatiotemporal evolution of the transition observed by far-field and near-field optical microscopies.
引用
收藏
页码：7762 / 7767
页数：6
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