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Non-linear electronic transport and anomalous resistance fluctuations in the stripes state of $La_2NiO_{4.14}$ | | A. Pautrat
; F. Giovannelli
; N. Poirot
; | | Date: |
8 Jan 2007 | | Subject: | Strongly Correlated Electrons | | Abstract: | We report on electronic transport measurements in $La_2NiO_{4.14}$. Non-Ohmic and hysteretic $V(I)$ curves are measured for $T lesssim$ 220 $K$. Large and non Gaussian resistance fluctuations can be observed, with strong cooling rate dependence. During a slow cooling, the resistance reaches plateaus and then suddenly jumps for $T lesssim$ 100 $K$, evidencing a macroscopic freezing of the charges. Anti-correlation between time-series of orthogonal resistances is also observed. These results are discussed in the framework of the stripes state scenario. | | Source: | arXiv, cond-mat/0701140 | | Services: | Forum | Review | PDF | Favorites | |
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