Magnetoelectric Coupling Mechanism and Spin Transport Characteristics of Low Dimensional Organic Ferroelectric Materials View Homepage


Ontology type: schema:MonetaryGrant     


Grant Info

YEARS

2013-2016

FUNDING AMOUNT

700000.0 CNY

ABSTRACT

Multiferroics are new functional materials that exhibit more than one primary ferroic orders simultaneously, such as ferroelectricity, ferromagnetism, and ferroelasticity. The coupling between ferroelectricity and ferromagnetism, termed the magnetoelectric effect, has attracted great attentions in recent years, due to its huge potentional application in novel devices, such as sensors, harvesters, memeories, and so on. Based on the organic multiferroics synthesized experimentally, we propose theoretical quantum models to investigate their magnetic properties, ferroelectric properties, quantum phase transitions, and thermodynamic properties, by means of Green's function theory. Meanwhile, the microscopic mechanism of megnetoelectric coupling, as well as the effect of electronic field(magnetic field) on magnetization(polarization) will be investigated. In addition, we will design molecular devices by using organic multiferroics. With the combination of non-equilibrium Green's function approach and density functional theory, it is necessary to consider the electron and spin transport properties, the surface effect, and interface effect, which will provide theoretical guide for the design and assembly of organic molecular devices, and promote the development of organic spintronics. More... »

URL

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