Search Results - "Lanzara, Alessandra"
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Revealing hidden spin-momentum locking in a high-temperature cuprate superconductor
Published in Science (American Association for the Advancement of Science) (14-12-2018)“…Cuprate superconductors have long been thought of as having strong electronic correlations but negligible spin-orbit coupling. Using spin- and angle-resolved…”
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2
Tracking Cooper Pairs in a Cuprate Superconductor by Ultrafast Angle-Resolved Photoemission
Published in Science (American Association for the Advancement of Science) (01-06-2012)“…In high-temperature superconductivity, the process that leads to the formation of Cooper pairs, the fundamental charge carriers in any superconductor, remains…”
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3
Spin-polarized surface resonances accompanying topological surface state formation
Published in Nature communications (14-10-2016)“…Topological insulators host spin-polarized surface states born out of the energetic inversion of bulk bands driven by the spin-orbit interaction. Here we…”
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4
Photoelectron spin-flipping and texture manipulation in a topological insulator
Published in Nature physics (01-05-2013)“…In a topological insulator, the surface-state electron spins are ‘locked’ to their direction of travel. But when an electron is kicked out by a photon through…”
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5
AutodiDAQt: Simple Scientific Data Acquisition Software with Analysis-in-the-Loop
Published in Software (18-02-2023)“…Scientific data acquisition is a problem domain that has been underserved by its computational tools despite the need to efficiently use hardware, to guarantee…”
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6
Many-body interactions in quasi-freestanding graphene
Published in Proceedings of the National Academy of Sciences - PNAS (12-07-2011)“…The Landau-Fermi liquid picture for quasiparticles assumes that charge carriers are dressed by many-body interactions, forming one of the fundamental theories…”
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7
Author Correction: Establishing coherent momentum-space electronic states in locally ordered materials
Published in Nature communications (08-11-2024)Get full text
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8
Establishing coherent momentum-space electronic states in locally ordered materials
Published in Nature communications (17-09-2024)“…Rich momentum-dependent electronic structure naturally arises in solids with long-range crystalline symmetry. Reliable and scalable quantum technologies rely…”
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9
PyARPES: An analysis framework for multimodal angle-resolved photoemission spectroscopies
Published in SoftwareX (01-01-2020)“…The advent of higher resolution and throughput photoemission spectroscopy experiments has made angle-resolved photoemission spectroscopy (ARPES) a critical…”
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10
Charge-carrier screening in single-layer graphene
Published in Physical review letters (02-04-2013)“…The effect of charge-carrier screening on the transport properties of a neutral graphene sheet is studied by directly probing its electronic structure. We find…”
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11
Controlling a Van Hove singularity and Fermi surface topology at a complex oxide heterostructure interface
Published in Nature communications (04-12-2019)“…The emergence of saddle-point Van Hove singularities (VHSs) in the density of states, accompanied by a change in Fermi surface topology, Lifshitz transition,…”
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12
Ultrafast quenching of electron–boson interaction and superconducting gap in a cuprate superconductor
Published in Nature communications (15-09-2014)“…Ultrafast spectroscopy is an emerging technique with great promise in the study of quantum materials, as it makes it possible to track similarities and…”
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13
Ultrafast enhancement of electron-phonon coupling via dynamic quantum well states
Published in Communications materials (26-06-2023)“…The density of states at the Fermi surface controls many material properties by influencing the low-energy interactions of conductive electrons. Typically,…”
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Observation of a Flat and Extended Surface State in a Topological Semimetal
Published in Materials (08-04-2022)“…A flat band structure in momentum space is considered key for the realization of novel phenomena. A topological flat band, also known as a drumhead state, is…”
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15
Ligand-Controlled Colloidal Synthesis and Electronic Structure Characterization of Cubic Iron Pyrite (FeS2) Nanocrystals
Published in Chemistry of materials (14-05-2013)“…Iron pyrite (FeS2) is a promising photovoltaic absorber because of its Earth abundance, high optical extinction, and infrared band gap (E g = 0.95 eV), but its…”
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16
Manipulating long-lived topological surface photovoltage in bulk-insulating topological insulators Bi2Se3 and Bi2Te3
Published in npj quantum materials (06-03-2020)“…The appearance of topologically protected spin-momentum locked surface states in topological insulators gives rise to robust room temperature spin currents…”
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Fermi velocity engineering in graphene by substrate modification
Published in Scientific reports (20-08-2012)Get full text
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18
Crystalline symmetry-protected non-trivial topology in prototype compound BaAl4
Published in npj quantum materials (19-03-2021)“…The BaAl 4 prototype crystal structure is the most populous of all structure types, and is the building block for a diverse set of sub-structures including the…”
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19
Driving ultrafast spin and energy modulation in quantum well states via photo-induced electric fields
Published in npj quantum materials (15-08-2022)“…The future of modern optoelectronics and spintronic devices relies on our ability to control the spin and charge degrees of freedom at ultrafast timescales…”
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20
Doping dependence of spin-momentum locking in bismuth-based high-temperature cuprate superconductors
Published in Communications materials (01-08-2024)“…Non-zero spin orbit coupling has been reported in several unconventional superconductors due to the absence of inversion symmetry breaking. This contrasts with…”
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