180 citations · 796 across the 16 of their papers we have counts for
16 papers
Normal-state nodal electronic structure in underdoped high-Tc copper oxides
Suchitra E. Sebastian, N. Harrison, F. F. Balakirev +6
An outstanding problem in the field of high-transition-temperature (high Tc) superconductivity is the identification of the normal state out of which superconductivity emerges in t…
Self-resonant Coil for Contactless Electrical Conductivity Measurement under Pulsed Ultra-high Magnetic Fields
Daisuke Nakamura, Moaz M. Altarawneh, Shojiro Takeyama
In this study, we develop experimental apparatus for contactless electrical conductivity measurements under pulsed high magnetic fields over 100 T using a self-resonant-type high-f…
A cascade of magnetic field induced spin transitions in LaCoO3
M. M. Altarawneh, G. -W. Chern, N. Harrison +9
We present magnetization and magnetostriction studies of the insulating perovskite LaCoO3 in magnetic fields approaching 100 T. In marked contrast with expectations from single-ion…
Synthesis and physical properties of the new potassium iron selenide superconductor K0.80Fe1.76Se2
Rongwei Hu, E. D. Mun, D. H. Ryan +13
In this article we review our studies of the K0.80Fe1.76Se2 superconductor, with an attempt to elucidate the crystal growth details and basic physical properties over a wide range…
Upper critical fields and two-band superconductivity in Sr1-xEux(Fe0.89Co0.11)2As2 (x=0.203 and 0.463)
Rongwei Hu, Eun Deok Mun, M. M. Altarawneh +4
The upper critical fields, Hc2 of single crystals of Sr1-xEux(Fe0.89Co0.11)2As2(x=0.203 and 0.463) were determined by radio frequency penetration depth measurements in pulsed magne…
Evidence for Dirac Nodes from Quantum Oscillations in SrFeAs
Mike Sutherland, D. J. Hills, B. S. Tan +9
We present a detailed study of quantum oscillations in the antiferromagnetically ordered pnictide compound SrFeAs as the angle between the applied magnetic field and crysta…
Chemical potential oscillations from a single nodal pocket in the underdoped high-Tc superconductor YBa2Cu3O6+x
Suchitra E. Sebastian, N. Harrison, M. M. Altarawneh +4
The mystery of the normal state in the underdoped cuprates has deepened with the use of newer and complementary experimental probes. While photoemission studies have revealed solel…
Direct observation of multiple spin zeroes in the underdoped high temperature superconductor YBa2Cu3O6+x
Suchitra E. Sebastian, N. Harrison, M. M. Altarawneh +6
We report the direct observation of multiple `spin zeroes' in angle-dependent magnetic quantum oscillations measured up to 85T in YBa2Cu3O6+x, at which the amplitude falls to a dee…
Anisotropic Hc2 of K0.8Fe1.76Se2 determined up to 60 T
E. D. Mun, M. M. Altarawneh, C. H. Mielke +4
The anisotropic upper critical field, Hc2(T), curves for K0.8Fe1.76Se2 are determined over a wide range of temperatures down to 1.5 K and magnetic fields up to 60 T. Anisotropic in…
The surface-state of the topological insulator BiSe revealed by cyclotron resonance
Oscar. E. Ayala-Valenzuela, James. G. Analytis, Jiun-Haw. Chu +3
To date transport measurements of topological insulators have been dominated by the conductivity of the bulk, leading to substantial difficulties in resolving the properties of the…
Compensated electron and hole pockets in an underdoped high Tc superconductor
Suchitra E. Sebastian, N. Harrison, P. A. Goddard +7
We report quantum oscillations in the underdoped high Tc YBCO over a wide range in magnetic field 28<B<85 T corresponding to ~12 oscillations, enabling the Fermi surface topology t…
Fermi liquid behaviour in an underdoped high Tc superconductor
Suchitra E. Sebastian, N. Harrison, M. M. Altarawneh +4
We use magnetic quantum oscillations in the underdoped high Tc superconductor YBa_2Cu_3O_(6+x) (x=0.56) measured over a broad range of temperatures 100 mK<T<18 K to extract the for…
Magnetic quantum oscillations in YBaCuO and YBaCuO in fields of up to 85 T; patching the hole in the roof of the superconducting dome
John Singleton, Clarina de la Cruz, R. D. McDonald +8
We measure magnetic quantum oscillations in the underdoped cuprates YBaCuO with , 0.69, using fields of up to 85 T. The quantum-oscillation frequencies and…
Metal-insulator quantum critical point beneath the high Tc superconducting dome
Suchitra E. Sebastian, N. Harrison, M. M. Altarawneh +5
An enduring question in correlated systems concerns whether superconductivity is favoured at a quantum critical point (QCP) characterised by a divergent quasiparticle effective mas…
Pressure Evolution of a Field Induced Fermi Surface Reconstruction and of the Neel Critical Field in CeIn3
K. M. Purcell, D. Graf, M. Kano +12
We report high-pressure skin depth measurements on the heavy fermion material CeIn3 in magnetic fields up to 64 T using a self-resonant tank circuit based on a tunnel diode oscilla…
Determination of anisotropic Hc2 up to 60 T in (Ba0.55K0.45)Fe2As2 single crystals
M. Altarawneh, K. Collar, C. H. Mielke +3
The radio frequency penetration depth was measured in the superconductor (BaK)FeAs under pulsed magnetic fields extending to 60 tesla and down to 14 K…