Petr Neugebauer
University of Stuttgart
Publications 42
#1Luke St. MarieH-Index: 1
#2Abdel El FatimyH-Index: 3
Last.Paola BarbaraH-Index: 19
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#2Petr NeugebauerH-Index: 12
Last.Paola BarbaraH-Index: 19
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#1Dominik Bloos (University of Stuttgart)H-Index: 1
#2J. Kunc (Charles University in Prague)H-Index: 5
Last.Petr Neugebauer (Central European Institute of Technology)H-Index: 12
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We demonstrate that microwave absorption experiments offer a route for easy and efficient measurements of transport properties for fast and accurate quality control of graphene. This conctactless characterization method can be used to quickly evaluate transport properties over large areas without recourse to complex lithographic methods making it suitable as a probe of quality during wafera#13; scale fabrication. In particular, we demonstrate that absorption measurement of transport properties i...
#1Francesca Ciccullo (University of Tübingen)H-Index: 6
#2Arrigo CalzolariH-Index: 28
Last.Maria Benedetta Casu (University of Tübingen)H-Index: 16
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By using a multidisciplinary and multitechnique approach, we have addressed the issue of attaching a molecular quantum bit to a real surface. First, we demonstrate that an organic derivative of the pyrene–Blatter radical is a potential molecular quantum bit. Our study of the interface of the pyrene–Blatter radical with a copper-based surface reveals that the spin of the interface layer is not canceled by the interaction with the surface and that the Blatter radical is resistant in presence of mo...
2 CitationsSource
#1Jakub Hrubý (Central European Institute of Technology)
#2Vinicius Tadeu Santana (Central European Institute of Technology)H-Index: 2
Last.Petr Neugebauer (Central European Institute of Technology)H-Index: 12
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The scalability and stability of molecular qubits deposited on surfaces is a crucial step for incorporating them into upcoming electronic devices. Herein, we report on the preparation and characterisation of a molecular quantum bit, copper(II)dibenzoylmethane [Cu(dbm)2], deposited by a modified Langmuir–Schaefer (LS) technique onto a graphene-based substrate. A double LS deposition was used for the preparation of a few-layer-graphene (FLG) on a Si/SiO2 substrate with subsequent deposition of the...
Multifrequency electron paramagnetic resonance (EPR) spectroscopy, magnetic susceptibility measurements, and density functional theory (DFT) have been employed to characterize the magnetic properties of Cu2+ ions and their magnetic interactions in the porous metal–organic framework compound ∞3[Cu(prz–trz–ia)]. Two distinct cupric ion species were found to contribute to the overall magnetic susceptibility of the polycrystalline material. The majority of the copper ions forms antiferromagnetically...
1 CitationsSource
#1O. Laguta (University of Stuttgart)H-Index: 1
#2M. Tuček (Central European Institute of Technology)
Last.Petr Neugebauer (Central European Institute of Technology)H-Index: 12
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Abstract Gaining access to electron spin dynamics at (sub-)THz frequencies is highly challenging. However, this information is highly relevant for the understanding and development of spin polarization agents in dynamic nuclear polarization methods and single-molecule magnets for quantum computation. Here we demonstrate the first rapid-scan EPR experiment in 200 GHz frequency region. A voltage controlled oscillator (VCO) generated fast sinusoidal frequency sweeps with scan rates up to 3 × 10 5 T...
#1Marcus J. Giansiracusa (University of Manchester)H-Index: 2
#2Eufemio Moreno-Pineda (University of Manchester)H-Index: 1
Last.Nicholas F. Chilton (University of Manchester)H-Index: 30
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Magnetic exchange interactions within the asymmetric dimetallic compounds [hqH2][Ln2(hq)4(NO3)3]·MeOH, (Ln = Er(III) and Yb(III), hqH = 8-hydroxyquinoline) have been directly probed with EPR spectroscopy and accurately modeled by spin Hamiltonian techniques. Exploitation of site selectivity via doping experiments in Y(III) and Lu(III) matrices yields simple EPR spectra corresponding to isolated Kramers doublets, allowing determination of the local magnetic properties of the individual sites with...
22 CitationsSource