Laboratory for Solid State Physics

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19972023

most citedSpatially Resolved Raman Spectroscopy of Single- and Few-Layer Graphene

2.5k 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.

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Showing 2013 · cond-mat.str-elShow all

13 papers · 2 filters

cond-mat.str-el2013★ 17 cited

Quantum and thermal ionic motion, oxygen isotope effect, and superexchange distribution in La $_{2}$ CuO $_{4}$

P. S. Häfliger, S. Gerber, R. Pramod +11

We study the zero-point and thermal ionic motion in La $_{2}$ CuO $_{4}$ by means of high-resolution neutron diffraction experiments. Our results demonstrate anisotropic motion of O and t…

cond-mat.str-el2013★ 24 cited

Criticality in a disordered quantum antiferromagnet by neutron diffraction

E. Wulf, D. Huvonen, J. -W. Kim +5

Field-induced magnetic ordering in the structurally disordered quantum magnets Ni(Cl $_{1 - x}$ Br $_{x}$ ) $_{2}$ $\cdot$ 4SC(NH $_{2}$ ) $_{2}$ , $x = 8$ % and 13%, is studied by means of neutron diffra…

cond-mat.str-el2013★ 31 cited

Pressure-induced quantum critical and multicritical points in a frustrated spin liquid

M. Thede, A. Mannig, M. Månsson +4

The quantum spin liquid compound (C $_{4}$ H $_{12}$ N $_{2}$ )Cu $_{2}$ Cl $_{6}$ (PHCC) is studied by $μ$ SR under hydrostatic pressures up to 23.6 kbar. At low temperatures, pressure-induced inco…

cond-mat.str-el2013★ 12 cited

Impact of strong disorder on the static magnetic properties of the spin-chain compound BaCu2SiGeO7

T. Shiroka, F. Casola, W. Lorenz +3

The disordered quasi-1D magnet BaCu2SiGeO7 is considered as one of the best physical realizations of the random Heisenberg chain model, which features an irregular distribution of…

cond-mat.str-el2013★ 14 cited

Field-concentration phase diagram of a quantum spin liquid with bond defects

D. Hüvonen, G. Ballon, A. Zheludev

The magnetic susceptibility of the gapped quantum spin liquid compound (C $_{4}$ H $_{12}$ N $_{2}$ )Cu $_{2}$ Cl $_{6}$ and its chemically disordered derivatives (C $_{4}$ H $_{12}$ N $_{2}$ )Cu $_{2}$ (Cl$_{1-…

cond-mat.str-el2013★ 43 cited

Spin pseudogap in Ni-doped SrCuO2

G. Simutis, S. Gvasaliya, M. Mansson +11

The S=1/2 spin chain material SrCuO2 doped with 1% S=1 Ni-impurities is studied by inelastic neutron scattering. At low temperatures, the spectrum shows a pseudogap Δ~ 8 meV, absen…

cond-mat.str-el2013★ 63 cited

Attractive Tomonaga-Luttinger Liquid in a Quantum Spin Ladder

M. Jeong, H. Mayaffre, C. Berthier +3

We present NMR measurements of a strong-leg spin-1/2 Heisenberg antiferromagnetic ladder compound (C7H10N)2CuBr4 under magnetic fields up to 15 T in the temperature range from 1.2…

cond-mat.str-el2013★ 69 cited

Spectrum of a magnetized strong-leg quantum spin ladder

D. Schmidiger, P. Bouillot, T. Guidi +4

Inelastic neutron scattering is used to measure the spin excitation spectrum of the Heisenberg $S = 1/2$ ladder material (C $_{7}$ H $_{1} 0$ N) $_{2}$ CuBr $_{4}$ in its entirety, both in the gappe…

cond-mat.str-el2013★ 206 cited

Surface and Bulk Electronic Structure of the Strongly Correlated System SmB $_{6}$ and Implications for a Topological Kondo Insulator

N. Xu, X. Shi, P. K. Biswas +13

Recent theoretical calculations and experimental results suggest that the strongly correlated material SmB $_{6}$ may be a realization of a topological Kondo insulator. We have perf…

cond-mat.str-el2013★ 53 cited

Symmetric and asymmetric excitations of a strong-leg quantum spin ladder

D. Schmidiger, P. Bouillot, G. Ehlers +5

The zero-field excitation spectrum of the strong-leg spin ladder (C $_{7}$ H $_{1} 0$ N) $_{2}$ CuBr $_{4}$ (DIMPY) is studied with a neutron time-of-flight technique. The spectrum is decomposed i…

cond-mat.str-el2013★ 63 cited

Dirty-boson physics with magnetic insulators

Andrey Zheludev, Tommaso Roscilde

We review recent theoretical and experimental efforts aimed at the investigation of the physics of interacting disordered bosons (so-called dirty bosons) in the context of quantum…

cond-mat.str-el2013★ 12 cited

Magnetic structure of the frustrated S=1/2 chain magnet LiCu2O2 doped with nonmagnetic Zn

A. A. Bush, N. Büttgen, A. A. Gippius +7

We present the results of magnetization, ESR and NMR measurements on single crystal samples of the frustrated S=1/2 chain cuprate LiCu2O2 doped with nonmagnetic Zn^2+. As shown by…

cond-mat.str-el2013★ 72 cited

1D to 2D Na Ion Diffusion Inherently Linked to Structural Transitions in Na $_{0.7}$ CoO $_{2}$

M. Medarde, M. Mena, J. L. Gavilano +9

We report the observation of a stepwise "melting" of the low-temperature Na-vacancy order in the layered transition metal oxide Na0.7CoO2. High-resolution neutron powder diffractio…

Quantum and thermal ionic motion, oxygen isotope effect, and superexchange distribution in La2​CuO4​