open-shell core permits efficient π–π stacking, which results in the formation of B2 and soft crystalline phases above 100 °C. Optical, XRD and dielectric analyses of 1[12,12] indicate that the ground state of the observed B2 phase is polar antiferroelectric of type SmCAPA exhibiting tristable electro-optical switching. SQUID and EPR measurements revealed strong antiferromagnetic spin–spin exchange interactions
描述了一系列自组织的弯曲核导数1 [12,n ],其中包含高度π离域的稳定基团作为中心角结构元素。开壳核的平面度允许有效的π-π堆积,从而导致B2和高于100°C的软结晶相的形成。的光学,XRD和介电分析1 [12,12]表明,所观察到的B2相的基态是类型的SMC极性反
铁电甲P甲显示三稳态的电光切换。SQUID和EPR测量显示在各向同性相以下有强反
铁磁自旋-自旋交换相互作用,据估计在θ = −46 cm -1时居里-魏斯定律。在B2相,观察到短暂的光电导性与空穴载流子迁移率μ ħ的1.4×10 -4厘米2 V -1小号-1。