Laboratoire National des Champs Magnétiques Intenses

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19962026

most citedDirect Measurement of the Exciton Binding Energy and Effective Masses for Charge carriers in an Organic-Inorganic Tri-halide Perovskite

2.1k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2001Show all

22 papers · 1 filter

cond-mat.mtrl-sci2001★ 27 cited

Ferromagnetic GaMnAs/GaAs superlattices - MBE growth and magnetic properties

J. Sadowski, R. Mathieu, P. Svedlindh +9

We have studied the magnetic properties of (GaMnAs)m/(GaAs)n superlattices with magnetic GaMnAs layers of thickness between 8 and 16 molecular layers (ML) (23-45 Å), and with nonma…

cond-mat2001★ 20 cited

High Magnetic Field NMR Studies of LiVGe $_{2}$ O $_{6}$ , a quasi 1-D Spin $S = 1$ System

P. Vonlanthen, K. B. Tanaka, Atsushi Goto +12

We report $^{7}$ Li pulsed NMR measurements in polycrystalline and single crystal samples of the quasi one-dimensional S=1 antiferromagnet LiVGe $_{2}$ O $_{6}$ , whose AF transition temper…

cond-mat.mes-hall2001★ 158 cited

The origin of second-order transverse magnetic anisotropy in Mn12-acetate

A. Cornia, R. Sessoli, L. Sorace +3

The problem of the role of transverse fields in Mn12-acetate, a molecular nanomagnet, is still open. We present structural evidences that the disorder of the acetic acid of crystal…

cond-mat.str-el2001★ 32 cited

Influence of Nd on the magnetic properties of Nd1-xCaxMnO3

F. Dupont, F. Millange, S. de Brion +2

The role played by the Nd ions in the magnetic properties of Nd0.5Ca0.5MnO3 and Nd0.7Ca0.3MnO3 is studied using static magnetization, neutron diffraction and high frequency (9.4-47…

cond-mat.supr-con2001

Irreversibility line of the MgB $_{2}$ superconductor

Y. Z. Zhang, R. Deltour, H. H. Wen +9

Magneto-resistivity of a c-axis oriented MgB $_{2}$ thin film was studied in perpendicular and parallel magnetic fields up to $\sim$ 23 T with temperatures down to 0.38 K. Resistive…

cond-mat.mes-hall2001★ 12 cited

Spin-engineered quantum dots

V. Fleurov, V. A. Ivanov, F. M. Peeters +1

Spatially nonhomogeneously spin polarized nuclei are proposed as a new mechanism to monitor electron states in a nanostructure, or as a means to createn and, if necessary, reshape…

cond-mat.supr-con2001★ 10 cited

Magnetotransport and the upper critical magnetic field in MgB2

P. Szabo, P. Samuely, A. G. M. Jansen +4

Magnetotransport measurements are presented on polycrystalline MgB2 samples. The resistive upper critical magnetic field reveals a temperature dependence with a positive curvature…

cond-mat.mes-hall2001

Intersubband magnetophonon resonances in quantum cascade structures

D. Smirnov, O. Drachenko, J. Leotin +5

We report on our magnetotransport measurements of GaAs/GaAlAs quantum cascade structures in a magnetic field of up to 62 T. We observe novel quantum oscillations in tunneling curre…

cond-mat.mes-hall2001★ 22 cited

Electronic transport through nuclear-spin-polarization-induced quantum wire

Yu. V. Pershin, S. N. Shevchenko, I. D. Vagner +1

Electron transport in a new low-dimensional structure - the nuclear spin polarization induced quantum wire (NSPI QW) is theoretically studied. In the proposed system the local nucl…

cond-mat.stat-mech2001

Shubnikov-de Haas effect in quasi-two-dimensional compounds

P. D. Grigoriev, M. V. Kartsovnik, W. Biberacher +1

The Shubnikov - de Haas effect in quasi-two-dimensional compounds is studied. The conductivity is calculated from the Kubo formula. Two effects -- the field-dependent phase shift o…

cond-mat.stat-mech2001★ 36 cited

Anomalous beating phase of the oscillating interlayer magnetoresistance in layered metals

P. D. Grigoriev, M. V. Kartsovnik, W. Biberacher +2

We analyze the beating behavior of the magnetic quantum oscillations in a layered metal under the conditions when the cyclotron energy $ℏ ω_{c}$ is comparable to the interlayer…

cond-mat.mes-hall2001★ 2 cited

Novel critical field in magneto-resistance oscillation of 2DEG in asymmetric GaAs/AlGaAs double wells measured as a function of the in-plane magnetic field

P. Svoboda, Y. Krupko, L. Smrcka +3

We have investigated the magnetoresistance of strongly asymmetric double-well structures formed by a thin AlGaAs barrier grown far from the interface in the GaAs buffer of standard…

cond-mat.mes-hall2001★ 8 cited

Hopping conductivity in heavily doped n-type GaAs layers in the quantum Hall effect regime

S. S. Murzin, M. Weiss, A. G. M. Jansen +1

We investigate the magnetoresistance of epitaxially grown, heavily doped n-type GaAs layers with thickness (40-50 nm) larger than the electronic mean free path (23 nm). The tempera…

cond-mat.mes-hall2001★ 52 cited

Observation of a new phase transition between fully and partially polarized quantum Hall states with charge and spin gaps at $ν = 2/3$

N. Freytag, Y. Tokunaga, M. Horvatic +3

The average electron spin-polarization $P$ of two-dimensional electron gas confined in $GaAs/GaAlAs$ multiple quantum-wells was measured by nuclear magnetic resonance (NMR…

cond-mat.supr-con2001★ 534 cited

Evidence for two superconducting energy gaps in MgB2 by point-contact spectroscopy

P. Szabo, P. Samuely, J. Kacmarcik +6

Experimental support is found for the multiband model of the superconductivity in the recently discovered system MgB2 with the transition temperature Tc = 39 K. By means of Andreev…

cond-mat.str-el2001★ 12 cited

Electron Spin Resonance of Ni-doped CuGeO $_{3}$ in the paramagnetic, spin-Peierls and antiferromagnetic states: Comparison with non-magnetic impurities

B. Grenier, P. Monod, M. Hagiwara +7

We have performed Electron Spin Resonance measurements on single crystals of the doped spin-Peierls compounds CuGe $_{1 - y}$ Si $_{y}$ O $_{3}$ and Cu $_{1 - x}$ M $_{x}$ GeO $_{3}$ with M = Zn, Mg, Ni…

cond-mat.str-el2001

Spin-Peierls transition with strong structural fluctuations in the vanadium oxide VOSb $_{2}$ O $_{4}$

V. A. Pashchenko, A. Sulpice, F. Mila +3

We report on the magnetic susceptibility and electron spin resonance measurements on polycrystalline samples of the vanadium oxide VOSb $_{2}$ O $_{4}$ , a quasi-one dimensional S=1/2…

cond-mat.mtrl-sci2001★ 70 cited

Giant Magnetoresistance by Exchange Springs in DyFe $_{2}$ /YFe $_{2}$ Superlattices

S. N. Gordeev, J-M. L. Beaujour, G. J. Bowden +5

Magnetization and magnetoresistance measurements are reported for antiferromagnetically coupled DyFe $_{2}$ /YFe $_{2}$ multilayers in fields up to 23 T. We demonstrate that the formation…

cond-mat.supr-con2001★ 26 cited

Upper critical field in {Ba $_{1 - x}$ K $_{x}$ BiO $_{3}$ }: magnetotransport versus magnetotunneling

P. Samuely, P. Szabo, T. Klein +4

Elastic tunneling is used as a powerful direct tool to determine the upper critical field $H_{c 2} (T)$ in the high- $T_{c}$ oxide Ba $_{1 - x}$ K $_{x}$ BiO $_{3}$ . The temperature dependence of…

cond-mat.supr-con2001★ 31 cited

Interlayer transport in highly anisotropic misfit-layer superconductor (LaSe)1.14(NbSe2)

P. Szabo, P. Samuely, J. Kacmarcik +4

We show that the interlayer transport in a two-dimensional superconductor can reveal a peak in the temperature as well as the magnetic field dependence of the resistivity near the…

cond-mat.stat-mech2001★ 45 cited

The influence of the oscillations of the chemical potential on the de Haas - van Alphen effect in quasi-two-dimensional compounds

Pavel Grigoriev

The de Haas - van Alphen effect in quasi-two-dimensional metals is studied at arbitrary parameters. The oscillations of the chemical potential may substantially change the temperat…

cond-mat.str-el2001★ 5 cited

Magnetic state in URu2Si2, UPd2Al3 and UNi2Al3 probed by point contacts

Yu. G. Naidyuk, O. E. Kvitnitskaya, A. G. M. Jansen +3

The antiferromagnetic (AFM) state has been investigated in the three heavy-fermion compounds URu2Si2, UPd2Al3, and UNi2Al3 by measuring dV/dI(V) curves of point contacts at differe…