Journal Article organic field-effect transistors Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. X-ray diffraction anisotropic properties continuous scan defects efficiency ferromagnetic resonance heat healing inverters ionic liquid gating linear dichroism logic circuits monolayer molecular crystals organic field‐effect transistor organic semiconductors organic single crystals perovskite solar cells perpendicular magnetic anisotropy phase stability photodetection photosensitivity polarization detection reversible phase transition spin-reorientation transition steep switching step scan threshold voltage shift