Large Coercivity and High Remanent Magnetization Organic-Based Magnets

Abstract

Anomalously high coercive field magnets with large remanence magnetizations have been prepared from electron-transfer salts of tetracyanoethylene and MnII(porphyrin). These magnets exhibit metamagnetic-like behavior at low temperature but, anomalously, show hysteresis with a large remanent magnetization. Metamagnets that display large coercivity and remanence magnetizations, especially when these values are large, may lead to new technologically important materials.