Publications related to Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor

Studies on the Effect of Strain on the Electronic Properties of Ultra Thin Films of Superconducting Cuprates

High Tc superconductivity in cuprates is still an unresolved topic, and one particular challenge is why in-plane compressive strain enhances Tc in ultra thin LSCO-214 films (< 40nm), whilst tensile strain diminishes it. Especially intriguing is whether alt ...

EPFL2013

Pr4Fe2As2Te1-xO4: A layered FeAs-based superconductor

László Forró, Richard Gaal, Janusz Andrzej Karpinski, Andrea Pisoni, Sergiy Katrych

We report crystal growth at high pressure, structure determination, and magnetic and transport studies of an oxypnictide superconductor Pr4Fe2As2Te1-xO4. Its structure resembles the known 1111 phase except for the considerably larger c lattice constant and ...

Amer Physical Soc2013

Unconventional Fermi Surface Instabilities in the Kagome Hubbard Model

Ronny Thomale

We investigate the competing Fermi surface instabilities in the kagome tight-binding model. Specifically, we consider on-site and short-range Hubbard interactions in the vicinity of van Hove filling of the dispersive kagome bands where the fermiology promo ...

Amer Physical Soc2013

Critical Resistance at the Superconductor-Insulator Transition in Hole-Doped Cuprates

Davor Pavuna, Guy Joseph Günter Dubuis, Ivan Bozovic

Here, we show that in several p-type cuprates, the superconductor-to-insulator transition (SIT) occurs at the critical sheet resistance approximately equal to the quantum resistance of pairs, RQ=h/4

e^{2}

=6.5 kΩ. In a relatively broad range of temperature ...

Springer Verlag2013

Tunneling spectra simulation of interacting Majorana wires

Ronny Thomale

Recent tunneling experiments on InSb hybrid superconductor-semiconductor devices have provided hope for a stabilization of Majorana edge modes in a spin-orbit quantum wire subject to a magnetic field and superconducting proximity effect. Connecting the exp ...

Amer Physical Soc2013

Nanoscale multifunctional sensor formed by a Ni nanotube and a scanning Nb nanoSQUID

Dirk Grundler, Daniel Rüffer, Eleonora Russo

Nanoscale magnets might form the building blocks of next generation memories. To explore their functionality, magnetic sensing at the nanoscale is key. We present a multifunctional combination of a nanometer-sized superconducting quantum interference devic ...

American Physical Society2013

Effect of Ca substitution on crystal structure and superconducting properties of ferromagnetic superconductor RuSr2-xCaxGd1.4Ce0.6Cu2O10-delta

Henrik Moodysson Rønnow, Mehdi Mazaheri, Neda Nikseresht Ghanepour

We have investigated the effect of Ca substitution for Sr site on structural, magnetic and superconducting properties of RuSr2-xCaxGd1.4Ce0.6Cu2O10-delta system. In this system, the magnetic coupling of RuO2 and CuO2 plays an important role in magnetic and ...

Elsevier2012

Spin density wave induced disordering of the vortex lattice in superconducting La(2−x)Sr(x)CuO(4)

Sandrine Gerber, Joël Mesot, Johan Juul Chang, Jonathan White

We use small-angle neutron scattering to study the superconducting vortex lattice in La2−xSrxCuO4 as a function of doping and magnetic field. We show that near optimally doping the vortex lattice coordination and the superconducting coherence length ξ are ...

2012

Thermopower as a Unique Tool to Probe Quantum Phase Transitions

Stevan Arsenijevic

In my thesis, transport measurements such as resistivity and, more importantly, thermopower S, were used to explore the phase diagram of bad metals. Bad metals are electronically correlated systems whose ground state lies close to a quantum phase transitio ...

EPFL2012

Magnetic hourglass dispersion and its relation to high-temperature superconductivity in iron-tuned Fe

Henrik Moodysson Rønnow, Bastien Dalla Piazza, Arash Alahgholipour Omrani, Nikolay Tsyrulin

High-temperature superconductivity remains arguably the greatest enigma of condensed matter physics. The discovery of iron-based high-temperature superconductors [1, 2] has renewed the importance of understanding superconductivity in materials susceptible ...

Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2012

Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor

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Studies on the Effect of Strain on the Electronic Properties of Ultra Thin Films of Superconducting Cuprates

Pr4Fe2As2Te1-xO4: A layered FeAs-based superconductor

Unconventional Fermi Surface Instabilities in the Kagome Hubbard Model

Critical Resistance at the Superconductor-Insulator Transition in Hole-Doped Cuprates

Tunneling spectra simulation of interacting Majorana wires

Nanoscale multifunctional sensor formed by a Ni nanotube and a scanning Nb nanoSQUID

Effect of Ca substitution on crystal structure and superconducting properties of ferromagnetic superconductor RuSr2-xCaxGd1.4Ce0.6Cu2O10-delta

Spin density wave induced disordering of the vortex lattice in superconducting La(2−x)Sr(x)CuO(4)

Thermopower as a Unique Tool to Probe Quantum Phase Transitions

Magnetic hourglass dispersion and its relation to high-temperature superconductivity in iron-tuned Fe

Unconventional Fermi Surface Instabilities in the Kagome Hubbard Model

Thermopower as a Unique Tool to Probe Quantum Phase Transitions

Magnetic hourglass dispersion and its relation to high-temperature superconductivity in iron-tuned Fe

Studies on the Effect of Strain on the Electronic Properties of Ultra Thin Films of Superconducting Cuprates

Tunneling spectra simulation of interacting Majorana wires

Pr4Fe2As2Te1-xO4: A layered FeAs-based superconductor

Spin density wave induced disordering of the vortex lattice in superconducting La(2−x)Sr(x)CuO(4)

Critical Resistance at the Superconductor-Insulator Transition in Hole-Doped Cuprates

Nanoscale multifunctional sensor formed by a Ni nanotube and a scanning Nb nanoSQUID

Effect of Ca substitution on crystal structure and superconducting properties of ferromagnetic superconductor RuSr2-xCaxGd1.4Ce0.6Cu2O10-delta