activity
20082021
most citedChasing the killer phonon mode for the rational design of low disorder, high mobility molecular semiconductors

194 citations · 497 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.mes-hall2021

Distinguishing spin pumping from spin rectification in organic semiconductor-based lateral spin pumping device architectures

Piotr Skalski, Olga Zadvorna, Deepak Venkateshvaran +1

Over the last two decades organic spintronics has developed into a striving field with exciting reports of long spin diffusion lengths and spin relaxation times in organic semicond…

cond-mat.mtrl-sci2021★ 18 cited

The effect of the dielectric end groups on the positive bias stress stability of N2200 organic field effect transistors

D. Simatos, L. J. Spalek, U. Kraft +5

Bias stress degradation in conjugated polymer field-effect transistors is a fundamental problem in these disordered materials and can be traced back to interactions of the material…

physics.app-ph2020★ 34 cited

Tuning Spin Current Injection at Ferromagnet/Non-Magnet Interfaces by Molecular Design

Angela Wittmann, Guillaume Schweicher, Katharina Broch +13

There is a growing interest in utilizing the distinctive material properties of organic semiconductors for spintronic applications. Here, we explore injection of pure spin current…

cond-mat.mtrl-sci2019★ 194 cited

Chasing the killer phonon mode for the rational design of low disorder, high mobility molecular semiconductors

Guillaume Schweicher, Gabriele D'Avino, Michael T. Ruggiero +14

Molecular vibrations play a critical role in the charge transport properties of weakly van der Waals bonded organic semiconductors. To understand which specific phonon modes contri…

cond-mat.mes-hall2018★ 13 cited

Near-field magneto-caloritronic nanoscopy on ferromagnetic nanostructures

E. Pfitzner, X. Hu, H. W. Schumacher +8

Near-field optical microscopy by means of infrared photocurrent mapping has rapidly developed in recent years. In this letter we introduce a near-field induced contrast mechanism a…

cond-mat.mes-hall2014★ 41 cited

Simultaneous Extraction of Charge Density Dependent Mobility and Variable Contact Resistance from Thin Film Transistors

Riccardo Di Pietro, Deepak Venkateshvaran, Andreas Klug +4

A model for the extraction of the charge density dependent mobility and variable contact resistance in thin film transistors is proposed by performing a full derivation of the curr…

cond-mat.mtrl-sci2008★ 142 cited

Epitaxial Zn(x)Fe(3-x)O(4) Thin Films: A Spintronic Material with Tunable Electrical and Magnetic Properties

Deepak Venkateshvaran, Matthias Althammer, Andrea Nielsen +5

The ferrimagnetic spinel oxide Zn(x)Fe(3-x)O(4) combines high Curie temperature and spin polarization with tunable electrical and magnetic properties, making it a promising functio…

cond-mat.mtrl-sci2008★ 55 cited

Anomalous Hall Effect in Magnetite: Universal Scaling Relation Between Hall and Longitudinal Conductivity in Low-Conductivity Ferromagnets

Deepak Venkateshvaran, Wolfgang Kaiser, Andrea Boger +5

The anomalous Hall effect (AHE) has been studied systematically in the low-conductivity ferromagnetic oxide FeZnO with , 0.1, and 0.5. We used (001), (110),…