A. Ardavan

activity

19992026

most citedWill spin-relaxation times in molecular magnets permit quantum information processing?

767 citations · 5.3k across the 93 of their papers we have counts for

collaborators

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21 papers · 1 filter

cond-mat.str-el2019★ 26 cited

Mott polaritons in cavity-coupled quantum materials

Martin Kiffner, Jonathan Coulthard, Frank Schlawin +2

We show that strong electron-electron interactions in cavity-coupled quantum materials can enable collectively enhanced light-matter interactions with ultrastrong effective couplin…

cond-mat.str-el2019★ 17 cited

Unconventional field-induced spin gap in an $S = 1/2$ chiral staggered chain

J. Liu, S. Kittaka, R. D. Johnson +11

We investigate the low-temperature magnetic properties of the molecule-based chiral spin chain [Cu(pym)(H $_{2}$ O) $_{4}$ ]SiF $_{6} \cdot$ H $_{2}$ O (pym = pyrimidine). Electron-spin resonance,…

cond-mat.str-el2018★ 74 cited

Manipulating quantum materials with quantum light

Martin Kiffner, Jonathan Coulthard, Frank Schlawin +2

We show that the macroscopic magnetic and electronic properties of strongly correlated electron systems can be manipulated by coupling them to a cavity mode. As a paradigmatic exam…

cond-mat.str-el2018★ 102 cited

Electric field control of spins in molecular magnets

Junjie Liu, Jakub Mrozek, William K. Myers +5

Coherent control of individual molecular spins in nano-devices is a pivotal prerequisite for fulfilling the potential promised by molecular spintronics. By applying electric field…

cond-mat.str-el2015★ 12 cited

The magnetic ground state of two isostructual polymeric quantum magnets, [Cu(HF $_{2}$ )(pyrazine) $_{2}$ ]SbF $_{6}$ and [Co(HF $_{2}$ )(pyrazine) $_{2}$ ]SbF $_{6}$ , investigated with neutron powder diffraction

J. Brambleby, P. A. Goddard, R. D. Johnson +14

The magnetic ground state of two isostructural coordination polymers (i) the quasi two-dimensional S = 1/2 square-lattice antiferromagnet [Cu(HF $_{2}$ )(pyrazine) $_{2}$ ]SbF $_{6}$ ; a…

cond-mat.str-el2014★ 33 cited

Magnetism in a family of $S = 1$ square lattice antiferromagnets Ni $X_{2}$ (pyz) $_{2}$ ( $X =$ Cl, Br, I, NCS; pyz = pyrazine)

J. Liu, P. A. Goddard, J. Singleton +23

The crystal structures of Ni $X_{2}$ (pyz) $_{2}$ ( $X$ = Cl (\textbf{1}), Br (\textbf{2}), I (\textbf{3}) and NCS (\textbf{4})) were determined at 298~K by synchrotron X-ray powder diffra…

cond-mat.str-el2013

Superconducting fluctuations in organic molecular metals enhanced by Mott criticality

Moon-Sun Nam, Cecile Meziere, Patrick Batail +3

Unconventional superconductivity typically occurs in materials in which a small change of a parameter such as bandwidth or doping leads to antiferromagnetic or Mott insulating phas…

cond-mat.str-el2009★ 159 cited

Quantum interference between charge excitation paths in a solid state Mott insulator

S. Wall, D. Brida, S. R. Clark +10

The competition between electron localization and de-localization in Mott insulators underpins the physics of strongly-correlated electron systems. Photo-excitation, which re-distr…

cond-mat.str-el2007★ 20 cited

Angle-dependent magnetoresistance oscillations due to magnetic breakdown orbits

A. F. Bangura, P. A. Goddard, J. Singleton +6

We present experimental evidence for a hitherto unconfirmed type of angle-dependent magnetoresistance oscillation caused by magnetic breakdown. The effect was observed in the organ…

cond-mat.str-el2005

Origin of Rapid Oscillations in Low Dimensional (TMTSF)2PF6

A. V. Kornilov, V. M. Pudalov, A. -K. Klehe +3

In order to clarify the origin of the "Rapid Oscillation" (RO) in (TMTSF)2PF6, we studied the magnetoresistance anisotropy in the Field Induced Spin Density Wave (FISDW) phase. We…

cond-mat.str-el2003★ 61 cited

Angle Dependent Magnetoresistance of the Layered Organic Superconductor κ-(ET)2Cu(NCS)2: Simulation and Experiment

P. A. Goddard, S. J. Blundell, J. Singleton +6

The angle-dependences of the magnetoresistance of two different isotopic substitutions (deuterated and undeuterated) of the layered organic superconductor κ-(ET)2Cu(NCS)2 are prese…

cond-mat.str-el2003★ 14 cited

A new quantum fluid at high magnetic fields in the marginal charge-density-wave system $α$ -(BEDT-TTF) $_{2} M$ Hg(SCN) $_{4}$ (where $M =$ ~K and Rb)

N. Harrison, J. Singleton, A. Bangura +4

Single crystals of the organic charge-transfer salts $α$ -(BEDT-TTF) $_{2} M$ Hg(SCN) $_{4}$ have been studied using Hall-potential measurements ( $M =$ K) and magnetization experiments ( $M$ =…

cond-mat.str-el2003★ 51 cited

Fermi-surface topology and the effects of intrinsic disorder in a class of charge-transfer salts containing magnetic ions, β''-(BEDT-TTF)_4[(H_3O)M(C_2O_4)_3]Y

A. I. Coldea, A. F. Bangura, J. Singleton +5

We report high-field magnetotransport measurements on β''-(BEDT-TTF)_4[(H_3O)M(C_2O_4)_3]Y, where M=Ga, Cr and Fe and Y=C_5H_5N. We observe similar Shubnikov-de Haas oscillations i…

cond-mat.str-el2002★ 2 cited

Comparison of the Fermi-surface topologies of kappa-(BEDT-TTF)_2 Cu(NCS)_2 and its deuterated analogue

R. S. Edwards, A. Narduzzo, J. Singleton +2

We have measured details of the quasi one-dimensional Fermi-surface sections in the organic superconductor kappa-(BEDT-TTF)_2 Cu(NCS)_2 and its deuterated analogue using angle-depe…

cond-mat.str-el2002★ 19 cited

Comparison of the normal state properties of $κ$ -(BEDT-TTF) $_{2}$ Cu(NCS) $_{2}$ and its deuterated analogue in high magnetic fields and under high hydrostatic pressures

Tim Biggs, Anne-Katrin Klehe, John Singleton +8

Details of the Fermi-surface topology of deuterated $κ$ -(BEDT-TTF) $_{2}$ Cu(NCS) $_{2}$ ~have been measured as a function of pressure, and compared with equivalent measurements of the un…

cond-mat.str-el2002★ 7 cited

Cyclotron resonance in the layered perovskite superconductor Sr2RuO4

Eva Rzepniewski, Rachel S. Edwards, John Singleton +2

We report a detailed study of the magnetic-field-orientation dependence of the millimetre-wave magnetoconductivity of the superconductor Sr2RuO4 We find two harmonic series of cycl…

cond-mat.str-el2001

Cyclotron resonance harmonics in the organic superconductor $β^{''}$ -(BEDT-TTF) $_{2}$ SF $_{5}$ CH $_{2}$ CF $_{2}$ SO $_{3}$ ; observation of a new kind of effective mass renormalization

R. S. Edwards, J. A. Symington, A. Ardavan +5

Cyclotron resonance, along with its second and third harmonics, has been observed in the quasi-two-dimensional organic superconductor $β^{''}$ -(BEDT-TTF) $_{2}$ SF $_{5}$ CH $_{2}$ C…

cond-mat.str-el2001★ 151 cited

Observation of the Fulde-Ferrell-Larkin-Ovchinnikov state in the quasi-two-dimensional organic superconductor $κ$ -(BEDT-TTF) $_{2}$ Cu(NCS) $_{2}$

J. Singleton, J. A. Symington, M. -S. Nam +3

Single crystals of the layered organic type II superconductor, $κ$ -(BEDT-TTF) $_{2}$ Cu(NCS) $_{2}$ , have been studied in magnetic fields of up to 33 T and at temperatures between 0.5…

cond-mat.str-el2001★ 26 cited

Thermal activation between Landau levels in the organic superconductor $β^{''}$ -(BEDT-TTF) $_{2}$ SF $_{5}$ CH $_{2}$ CF $_{2}$ SO $_{3}$

M. -S. Nam, A. Ardavan, J. A. Symington +6

We show that Shubnikov-de Haas oscillations in the interlayer resistivity of the organic superconductor $β^{''}$ -(BEDT-TTF) $_{2}$ SF $_{5}$ CH $_{2}$ CF $_{2}$ SO $_{3}$ become very pronounc…

cond-mat.str-el2001★ 92 cited

Test for interlayer coherence in a quasi-two-dimensional superconductor

John Singleton, P. A. Goddard, A. Ardavan +4

Peaks in the magnetoresistivity of the layered superconductor $κ$ -(BEDT-TTF) $_{2}$ Cu(NCS) $_{2}$ , measured in fields $\leq 45$ T applied within the layers, show that the Fermi surface i…

cond-mat.str-el1999★ 40 cited

Cyclotron Resonance in the Layered Perovskite Superconductor Sr2RuO4

S. Hill, J. S. Brooks, Z. Q. Mao +1

We have measured the cyclotron masses in Sr2RuO4 through the observation of periodic-orbit-resonances - a magnetic resonance technique closely related to cyclotron resonance. We ob…