236 citations · 1.5k across the 32 of their papers we have counts for
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Magnetic and structural properties of the iron silicide superconductor LaFeSiH
M. F. Hansen, S. Layek, J. -B. Vaney +20
The magnetic and structural properties of the recently discovered pnictogen/chalcogen-free superconductor LaFeSiH (~K) have been investigated by Fe synchrotron…
Possible high temperature superconducting transitions in disordered graphite obtained from room temperature deintercalated KC
Samar Layek, Miguel Monteverde, Gastón Garbarino +13
Although progress with twisted graphene nano-devices is boosting the superconductivity that is the consequence of their Moiré flat electronic bands, the immense choice for future d…
Charge density wave and superconductivity competition in LuIrSi : a proton irradiation study
Maxime Leroux, Vivek Mishra, Christine Opagiste +4
Real-space modulated Charge Density Waves (CDW) are an ubiquituous feature in many families of superconductors. In particular, how CDW relates to superconductivity is an active and…
Evidence of nodal superconductivity in LaFeSiH
A. Bhattacharyya, P. Rodière, J. -B. Vaney +7
Unconventional superconductivity has recently been discovered in the first iron-based superconducting silicide LaFeSiH. By using the complementary techniques of muon spin rotation,…
Penetration depth study of the type-I superconductor PdTe2
M. V. Salis, P. Rodière, H. Leng +2
Superconductivity in the topological non-trivial Dirac semimetal PdTe was recently shown to be type-I. We here report measurements of the relative magnetic penetration depth, $…
Magnetic and thermodynamic properties of CuTiSe single crystals
Z. Pribulová, Z. Medvecká, J. Kačmarčík +14
We present a detailed study of the phase diagram of copper intercalated TiSe single crystals, combining local Hall-probe magnetometry, tunnel diode oscillator technique (TDO),…
Strong enhancement of superconductivity at high pressures within the charge-density-wave states of 2H-TaS 2 and 2H-TaSe 2
D. C. Freitas, P Rodiere, M. R. Osorio +9
We present measurements of the superconducting and charge density wave critical temperatures (Tc and TCDW) as a function of pressure in the transition metal dichalchogenides 2H-TaS…
Strong anharmonicity induces quantum melting of charge density wave in 2H-NbSe under pressure
Maxime Leroux, Ion Errea, Mathieu Le Tacon +7
The interplay between charge density wave (CDW) order and superconductivity has attracted much attention. This is the central issue of along standing debate in simple transition me…
Amplitude `Higgs' mode in 2H-NbSe2 Superconductor
M. -A. Méasson, Y. Gallais, M. Cazayous +4
We report experimental evidences for the observation of the superconducting amplitude mode, so-called `Higgs' mode in the charge density wave superconductor 2H-NbSe2 using Raman sc…
Pressure dependence of superconducting critical temperature and upper critical field of 2H-NbS2
V. G. Tissen, M. R. Osorio, J. P. Brison +6
We present measurements of the superconducting critical temperature Tc and upper critical field Hc2 as a function of pressure in the transition metal dichalcogenide 2H-NbS2 up to 2…
Charge Density Wave and Superconducting Properties in Single Crystals of Lu5Ir4Si10
Maxime Leroux, Pierre Rodiere, Christine Opagiste
We measured the electrical resistivity from 2K up to 900K on high quality single crystals of Lu5Ir4Si10. A clear thermal hysteresis was found at the onset of the Charge Density Wav…
S-wave superconductivity probed by measuring magnetic penetration depth and lower critical field of MgCNi single crystals
P. Diener, Pierre Rodiere, Thierry Klein +7
The magnetic penetration depth has been measured in MgCNi single crystals using both a high precision Tunnel Diode Oscillator technique (TDO) and Hall probe magnetization…
In-plane magnetic penetration depth in NbS
Pascale Diener, Maxime Leroux, Laurent Cario +2
We report on the temperature dependence of the in plane magnetic penetration depth () and first penetration field ( for ) in 2H-NbS sing…
Anharmonic suppression of Charge density wave in 2H-NbS
Maxime Leroux, Mathieu Le Tacon, Matteo Calandra +6
The temperature dependence of the phonon spectrum in the superconducting transition metal dichalcogenide 2H-NbS is measured by diffuse and inelastic x-ray scattering. A deep, w…
Scanning tunneling spectroscopy of layers of superconducting 2H-TaSe: Evidence for a zero bias anomaly in single layers
J. A. Galvis, P. Rodière, I. Guillamón +7
We report a characterization of surfaces of the dichalcogenide TaSe using scanning tunneling microscopy and spectroscopy (STM/S) at 150 mK. When the top layer has the 2H struct…
Scaling of the physical properties in Ba(Fe,Ni)2As2 single crystals: Evidence for quantum fluctuations
Pierre Rodiere, Thierry Klein, Klaus Hasselbach +8
We report on local magnetization, tunnel diode oscillators, and specific-heat measurements in a series of Ba(NixFe1-x)2As2 single crystals (0.26\leqx\leq0.74). We show that the Lon…
Scanning microscopies of superconductors at very low temperatures
V. Crespo, A. Maldonado, J. A. Galvis +7
We discuss basics of scanning tunneling microscopy and spectroscopy (STM/S) of the superconducting state with normal and superconducting tips. We present a new method to measure th…
Specific-heat measurements of superconducting NbS2 single crystal in an external magnetic field: Study on the energy gap structure
J. Kacmarcik, Z. Pribulova, C. Marcenat +4
The heat capacity of a 2H-NbS2 single crystal has been measured by a highly sensitive ac technique down to 0.6 K and in magnetic fields up to 14 T. At very low temperatures data sh…
Superconducting density of states and vortex cores of 2H-NbS2
I. Guillamon, H. Suderow, S. Vieira +3
Scanning tunneling microscopy and spectroscopy (STM/S) measurements in the superconducting dichalcogenide 2H-NbS2 show a peculiar superconducting density of states with two well de…
Scanning tunneling spectroscopy with superconducting tips of Al
I. Guillamon, H. Suderow, S. Vieira +1
We present Scanning Tunneling Spectroscopy measurements at 0.1 K using tips made of Al. At zero field, the atomic lattice and charge density wave of 2HNbSe2 are observed, and under…
Penetration depth study of superconducting gap structure of 2\textit{H}-NbSe
J. D. Fletcher, A. Carrington, P. Diener +5
We report measurements of the temperature dependence of both in-plane and out-of-plane penetration depths ( and respectively) in 2\textit{H}-NbSe. Measurements were…
Characterisation of high energy electron irradiation damage in UPt3 samples
P. Rodiere, J. P. Brison, A. D. Huxley +2
We present transport and specific heat measurements on high quality single crystals of UPt before and after irradiation by high energy electrons. We observe a strong dependence…