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    "description": "Molecular sensors, triggers, actuators are one of the main components of modern devices with which they try to saturate work products as much as possible, while also solving the paradoxical task of miniaturizing them. Progress in this direction is impossible without the introduction of magnetic adjustment and magnetic control, i.e. low energy impact, in the formal scheme, the signal source \u2013 modulator \u2013 signal receiver \u2013 target function, which allows to avoid destruction of the device due to its overheating. This makes it extremely important to develop new generations of magnetically active hybrid materials, which cannot be done without the interdisciplinary integration of specialists working in the fields of chemistry, molecular physics, materials science, semiconductor physics, microelectronics, and computer science. An integral part of these studies is to become a real project aimed at developing methods for constructing \"elastic\" multi-spin coordination polymers based on compounds of paramagnetic transition metal ions and stable organic radicals (nitroxyls, semiquinolates, verdazyls), experimental and theoretical study of their functional properties. As a result of the project, it is planned to create a new generation of multispin coordination polymers with an adjustable structure, which can be formed from specially prepared molecular blocks.\u00a0In solving this problem, original approaches to the synthesis of 3 types of complex multispin compounds containing:\n- a magnetically active multispin polymer with included diamagnetic molecules of \u201cguests\u201d - spacers (space fillers), the variation of the electronic and spatial structure of which will become an instrument for controlling the magnetic properties of the multispin phase as a whole; while the guest\u2019s molecule itself can be a functional element (photo-, redox- or heat-sensitive), which will ensure multifunctionality of the final product;\n- a diamagnetic n-dimensional coordination polymer with magnetically active guest molecules included, the nature of the interaction between which will be determined by the structure of the polymer framework; in addition, the structure of the diamagnetic polymer will predetermine the dynamics of the included molecules of magnetically active \u201cguests\u201d, i.e. perform the function of a regulatory shell;\n- a magnetically active multispin polymer with magnetically active guest molecules included, which will predetermine their magnetochemical polyfunctionality.\nAlong with the development of the synthesis of complex, specially designed magnetically active coordination polymers, the most important part of the project will be the development of methods for growing these multispin compounds in the form of single crystals and the subsequent detailed X-ray diffraction study of compounds in a wide temperature range (30-350 K) with repeated cooling-heating cycles, allowing to trace in detail the structural dynamics of both exchange clusters and diamagnetic structural blocks. The X-ray film constructed in this 4-dimensional space, which reflects the intraphase dynamics of the process, will be correlated with the magnetic behavior of the sample in the temperature range of 2-350 K. Using quantum-chemical calculations, the exchange interaction mechanisms characteristic of different phase regions will be analyzed and the character evolution of the exchange parameter at the intersection of the phase transition region.\u00a0\nAs a result of the project, it is expected to find approaches to solving the fundamental problem - the creation of a scientific basis for the development of chemical methods for controlling the temperature and the nature of the structural and associated magnetic phase transition in magnetically active multi-spin coordination polymers.", 
    "endDate": "2018-12-31", 
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    "name": "Synthesis and magnetochemical study of a new generation of elastic multispin coordination polymers.", 
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