Present and future trends in spin ARPES

Lin, Chiu-Yun; Moreschini, Luca; Lanzara, Alessandra

doi:10.1209/0295-5075/ac0c87

Cited by 9 publications

(4 citation statements)

References 124 publications

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“…Modern ARPES setups are often equipped with alkali metal (Na, K, R) sources that enable access to the unoccupied band structure by electron doping of the surface (see figure 2(d)) [56,59,60]. Furthermore, the possibilities of applying gate voltage (figure 2(e)) [57], strain (figure 2(f)) [8,58] or external magnetic field [61] while performing ARPES have recently been demonstrated.…”

Section: Sample Preparation and Measurement Conditionsmentioning

confidence: 99%

“…In this review, we focus on arguably the most significant innovations in the field of photoemission from a rather technical perspective. More specialized reviews of ARPES studies of quantum materials can be found in [5][6][7][8][9]. The manuscript is organized as follows: First, we provide a brief introduction to the fundamental theory of the photoemission process, discuss experimental matters connected to photon energy, and reflect on sample requirements.…”

Section: Introductionmentioning

confidence: 99%

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Recent progress in angle-resolved photoemission spectroscopy

Wang,

Dendzik

2024

Meas. Sci. Technol.

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Angle-resolved photoemission spectroscopy (ARPES) is a well-established experimental technique that allows probing of the electronic structure of quantum materials using relatively high-energy photons. ARPES has been extensively used to study important classes of materials such as topological insulators, high-temperature superconductors, two-dimensional materials or interface systems. Although the technique was originally developed over 60 years ago, the last decade has witnessed significant advancements in instrumentation. In this review, we survey recent progress in ARPES, with a focus on developments in novel light sources and electron detection methods, which enable the expansion of ARPES into spin-, time-, or space-resolved domains. Important examples of ARPES results are presented, together with an outlook for the field.

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Section: Sample Preparation and Measurement Conditionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Recent progress in angle-resolved photoemission spectroscopy

Wang,

Dendzik

2024

Meas. Sci. Technol.

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“…In recent years, with the improvement of instrument technology, more types of ARPES have been invented, making it possible to analyze more degrees of freedom of electrons, such as spin, pseudospin, and valley states. Such as spin-resolved ARPES (Spin ARPES) can measure the electronic structures of spin up and down, providing important insights into spin correlation [75][76][77][78], NanoARPES can characterize the localized electronic structure of extremely small sample sizes due to the significant reduction in spot size [79,80], time-resolved APRES (TrARPES) has shown outstanding performance in detecting electron dynamics and electron time evolution due to the development of femtosecond lasers [81][82][83].…”

Section: Arpes Of Moiré Superlatticesmentioning

confidence: 99%

Spectroscopy and microscopy characterizations of two-dimensional materials with Moiré superlattices

Wang,

Zhu

2024

J. Phys. D: Appl. Phys.

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The Moiré superlattice formed by twisting two-dimensional materials at a certain angle has become an exciting platform for studying new properties of two-dimensional materials. Due to the introduction of new periodic potentials, Moiré super-lattices can generate a series of exotic physical phenomena, for instance, Moiré excitons, unconventional superconductivity, topological phase transitions, and so on. Non-destructive characterization methods such as spectroscopic characterization and microscopy techniques are powerful tools for investigating the structural and electronic properties of Moiré superlat-tices. This review tries to provide a comprehensive introduction to typical spectroscopic methods such as Raman spectros-copy, photoluminescence spectroscopy, angle-resolved photoemission spectroscopy, and the contributions of microscopy techniques such as scanning near-field optical microscopy in characterizations of Moiré superlattices. We summarize the latest progress made in the field of Moiré superlattices with the help of these techniques and discuss the advantages of dif-ferent characterization methods.

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“…The level of sophistication that has been reached in measuring the spin-resolved electronic structure of materials [19], together with the recent report of a non-zero spin-momentum locking in centrosymmetric highly-overdoped cuprate superconductors [20], has opened a new frontier in this still poorly explored field. Here we use high resolution spin-and angle-resolved photoemission spectroscopy (spin-ARPES) to study the spin dependent electronic structure of cuprate superconductors as a function of momentum, doping, and family, spanning across both the electron-and hole-doped sides of the phase diagram.…”

mentioning

confidence: 99%

Driving Spin Texture in High-Temperature Cuprate Superconductors via Local Structural Fluctuations

Currier

Lin

Gotlieb

et al. 2022

Preprint

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Spin-orbit coupling emerging out of a material's global inversion symmetry breaking has been long known to act as a pair breaking mechanism to the superconducting order parameter. However, when spin-orbit coupling emerges from local inversion symmetry breaking, an unexpected coexistence with superconductivity might occur. Although lattice driven local symmetry breaking is intrinsic to a variety of unconventional superconductors, little is known about its close connection to spin-orbit coupling, and how the combination of the two can impact electronic properties and the microscopic classification of the order parameter. By using high-resolution spin- and angle-resolved photoemission spectroscopy we reveal the presence of a universal momentum-dependent spin texture throughout the hole-doped side of the cuprate phase diagram for the Bi-based family, which becomes negligible on the electron-doped side. We attribute this spin asymmetry to local inversion symmetry breaking induced by local distortions of the CuO octahedra, revealing an interplay between spin-orbit coupling and lattice symmetry. The implication of this connection in steering the ground state properties of cuprate superconductors is discussed, together with the intriguing possibility that it might provide the long missing link to explain the complexity and asymmetry of the cuprate phase diagram.

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Present and future trends in spin ARPES

Cited by 9 publications

References 124 publications

Recent progress in angle-resolved photoemission spectroscopy

Recent progress in angle-resolved photoemission spectroscopy

Spectroscopy and microscopy characterizations of two-dimensional materials with Moiré superlattices

Driving Spin Texture in High-Temperature Cuprate Superconductors via Local Structural Fluctuations

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