论文标题
分层有机电荷玻璃系统中的不同2D限制的电子传输
Anomalous 2D-confined electronic transport in layered organic charge-glass systems
论文作者
论文摘要
为了深入了解挫败感驱动的电荷眼镜的电子液体的性质，我们研究了几种准三角形的有机系统的平面内和平面外电荷传输，$θ$ - （bedtt-tttf）$ _ 2 $ x [x = x = rbzn（scn）这些化合物的电荷顺序，充电玻璃和费米液体取决于电荷挫败感。我们发现，电阻率表现出极高的二维（2D）各向异性以及在电荷玻璃相中的平面内部和平面外方向之间的对比度依赖性，与电荷顺序和金属状态有定性区别。实验特征表明，挫败感引起的电荷玻璃具有异常的2D限制电子流体，并带有可能的电荷激发，而不是常规的准粒子。
To get insight into the nature of the electronic fluid in the frustration-driven charge glasses, we investigate in-plane and out-of-plane charge transport for several quasi-triangular-lattice organic systems, $θ$-(BEDT-TTF)$_2$X [X=RbZn(SCN)$_4$, CsZn(SCN)$_4$ and I$_3$]. These compounds host a charge order, charge glass and Fermi liquid, depending on the strength of charge frustration. We find that the resistivity exhibits extremely two-dimensional (2D) anisotropy and contrasting temperature dependence between in the in-plane and out-of-plane directions in the charge glass phase, qualitatively distinguished from the charge order and metallic states. The experimental features indicate that the frustration-induced charge glass carries an anomalous 2D-confined electronic fluid with possible charge excitations other than conventional quasiparticles.
