Thin Deposits and Patterning of Room-Temperature-Switchable One-Dimensional Spin-Crossover Compounds

被引：88

作者：

Cavallini, Massimiliano ^{[1
]}

Bergenti, Ilaria ^{[1
]}

Milita, Silvia ^{[2
]}

Kengne, Jean Crispin ^{[1
]}

Gentili, Denis ^{[1
]}

Ruani, Giampiero ^{[1
]}

Salitros, Ivan ^{[3
]}

Meded, Velimir ^{[3
]}

Ruben, Mario ^{[3
]}

机构：

[1] CNR, Inst Nanostruct Mat ISMN, I-40126 Bologna, Italy

[2] CNR, IMM, I-40126 Bologna, Italy

[3] Forschungszentrum Karlsruhe, Inst Nanotechnol, Karlsruhe, Germany

来源：

LANGMUIR | 2011年 / 27卷 / 07期

关键词：

FIELD-EFFECT TRANSISTORS; SINGLE-MOLECULE MAGNETS; THERMAL HYSTERESIS; ELECTRONIC-STRUCTURE; DIELECTRIC-CONSTANT; IRON(II) COMPLEXES; GROWTH-MORPHOLOGY; TRANSITION; POLYMERS; SURFACE;

D O I：

10.1021/la104901m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present a study on thin deposits and patterning of 1-D spin-crossover compounds Fe-II-(L)(2)H](ClO4)(3)center dot MeOH [L = 4'-(4'''-pyridyl)-1,2':6'1 ''-bis-(pyrazolyl) pyridine] (1) that exhibit a reversible, thermally driven spin transition at room temperature. Micrometric rodlike crystals of 1 on silicon surfaces are achieved by drop casting and solvent annealing. We observed that the crystallinity of thin deposits and spin-transition properties critically depends on the deposition procedure. Furthermore, we proved processability and patterning using unconventional wet lithography that reduces the crystallite formation time by 1 order of magnitude. Thin deposits of 1 were characterized by atomic force microscopy, polarized optical microscopy and X-rays, and the switching properties were characterized by Raman spectroscopy.

引用

页码：4076 / 4081

页数：6

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