Search Results - "Cava, Robert J."
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Kinetically Stable Single Crystals of Perovskite-Phase CsPbI3
Published in Journal of the American Chemical Society (24-07-2019)“…We use a solid-state method to synthesize single crystals of perovskite-phase cesium lead iodide (γ-CsPbI3) that are kinetically stable at room temperature…”
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Observation of the quantum spin Hall effect up to 100 kelvin in a monolayer crystal
Published in Science (American Association for the Advancement of Science) (05-01-2018)“…A variety of monolayer crystals have been proposed to be two-dimensional topological insulators exhibiting the quantum spin Hall effect (QSHE), possibly even…”
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Electrically tunable low-density superconductivity in a monolayer topological insulator
Published in Science (American Association for the Advancement of Science) (23-11-2018)“…Turning on superconductivity in a topologically nontrivial insulator may provide a route to search for non-Abelian topological states. However, existing…”
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Time-reversal symmetry breaking type-II Weyl state in YbMnBi2
Published in Nature communications (31-07-2019)“…Spectroscopic detection of Dirac and Weyl fermions in real materials is vital for both, promising applications and fundamental bridge between high-energy and…”
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Observation of the nonlinear Hall effect under time-reversal-symmetric conditions
Published in Nature (London) (01-01-2019)“…The electrical Hall effect is the production, upon the application of an electric field, of a transverse voltage under an out-of-plane magnetic field. Studies…”
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Landau quantization and highly mobile fermions in an insulator
Published in Nature (London) (14-01-2021)“…In strongly correlated materials, quasiparticle excitations can carry fractional quantum numbers. An intriguing possibility is the formation of fractionalized,…”
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New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds
Published in Nature communications (19-03-2021)“…The superconducting transmon qubit is a leading platform for quantum computing and quantum science. Building large, useful quantum systems based on transmon…”
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Electrically switchable Berry curvature dipole in the monolayer topological insulator WTe2
Published in Nature physics (02-07-2018)“…Recent experimental evidence for the quantum spin Hall (QSH) state in monolayer WTe 2 has linked the fields of two-dimensional materials and topological…”
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Robust zero resistance in a superconducting high-entropy alloy at pressures up to 190 GPa
Published in Proceedings of the National Academy of Sciences - PNAS (12-12-2017)“…We report the observation of extraordinarily robust zero-resistance superconductivity in the pressurized (TaNb)0.67(HfZrTi)0.33 high-entropy alloy—a material…”
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10
Weak-field induced nonmagnetic state in a Co-based honeycomb
Published in Science advances (24-01-2020)“…Layered honeycomb magnets are of interest as potential realizations of the Kitaev quantum spin liquid (KQSL), a quantum state with long-range spin entanglement…”
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Observation of Fermi arc surface states in a topological metal
Published in Science (American Association for the Advancement of Science) (16-01-2015)“…The topology of the electronic structure of a crystal is manifested in its surface states. Recently, a distinct topological state has been proposed in metals…”
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The electronic characterization of the cubic Laves-phase superconductor CaRh2
Published in Journal of alloys and compounds (15-07-2019)“…We present the synthesis and experimental characterization of the electronic properties of the cubic Laves phase superconductor CaRh2. Its crystal structure…”
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Superconductivity in high and medium entropy alloys based on MoReRu
Published in Physica. C, Superconductivity (15-11-2019)“…•[Mo.2375Re.2375Ru.2375Rh.2375]Ti.05 is an HCP HEA with superconducting tc of 3.6 K.•[Mo.225Re.225Ru.225Rh.225]Ti.10 is an HCP HEA with superconducting tc of…”
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Observation of topological order in a superconducting doped topological insulator
Published in Nature physics (01-11-2010)“…Experimental observation of topological order in three-dimensional bulk solids has recently led to a flurry of research activity. Unlike the two-dimensional…”
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Magnetic Proximity Effect as a Pathway to Spintronic Applications of Topological Insulators
Published in Nano letters (12-10-2011)“…Spin-based electronics in topological insulators (TIs) is favored by the long spin coherence1,2 and consequently fault-tolerant information storage…”
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p‑Type CuRhO2 as a Self-Healing Photoelectrode for Water Reduction under Visible Light
Published in Journal of the American Chemical Society (22-01-2014)“…Polycrystalline CuRhO2 is investigated as a photocathode for the splitting of water under visible irradiation. The band edge positions of this material…”
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Gigantic surface lifetime of an intrinsic topological insulator
Published in Physical review letters (09-09-2015)“…The interaction between light and novel two-dimensional electronic states holds promise to realize new fundamental physics and optical devices. Here, we use…”
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Mg-Doped CuFeO2 Photocathodes for Photoelectrochemical Reduction of Carbon Dioxide
Published in Journal of physical chemistry. C (20-06-2013)“…Mg-doped CuFeO2 delafossite is reported to be photoelectrochemically active for CO2 reduction. The material was prepared via conventional solid-state methods,…”
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Evidence for two dimensional anisotropic Luttinger liquids at millikelvin temperatures
Published in Nature communications (02-11-2023)“…Interacting electrons in one dimension (1D) are governed by the Luttinger liquid (LL) theory in which excitations are fractionalized. Can a LL-like state…”
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The breakdown of both strange metal and superconducting states at a pressure-induced quantum critical point in iron-pnictide superconductors
Published in Nature communications (30-05-2023)“…Here we report the first observation of the concurrent breakdown of the strange metal (SM) normal state and superconductivity at a pressure-induced quantum…”
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