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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
Zero-Dimensional Plastic Phase Transition Iron-Based Compounds with High Tc and Switchable SHG Responses
Jing Wei1, Qiu-Lan Tan1,2, Xi-Xi Wang1
1Jiangxi Provincial Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, P. R. China.
Abstract:
Organic-inorganic hybrid materials have garnered significant interest due to their unique combination of phase transition characteristics, substantial entropy changes, simple preparation methods, and structural flexibility, making them promising candidates for applications in sensor technologies and data storage systems. In the present research, two plastic organic-inorganic hybrid phase transition materials: [C7H17NF]FeCl4 (1) and [C7H17NF]FeBr4 (2) were successfully synthesized by the H/F substitution strategy. Significant step-like dielectric changes were observed during the reversible phase transitions of 1 (401 K) and 2 (406 K). At the same time, 1 and 2 have flexible switchable SHG effects and show the characteristics of band gap semiconductors with band gaps of 2.44 and 2.08 eV, respectively. This research presents an efficacious approach for devising the structures and modulating the properties of organic-inorganic hybrid materials.
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