Growth of Transition-Metal Dichalcogenides by Solvent Evaporation Technique

Чареев, Д. А.; Evstigneeva, Polina V.; Phuyal, Dibya; Man, Gabriel; Rensmo, Håkan; Vasiliev, A. N.; Abdel-Hafiez, M.

doi:10.1021/acs.cgd.0c00980

Cited by 17 publications

(9 citation statements)

References 31 publications

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“…Detailed characterization of the process is found in ref. 43 . The thin platelets of high-quality single crystals of NbS 2 with optically flat surfaces on both sides were cut into a bar shape.…”

Section: Methodsmentioning

confidence: 99%

Evidence for the Fulde–Ferrell–Larkin–Ovchinnikov state in bulk NbS2

Cho

Lyu

et al. 2021

Nat Commun

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We present measurements of the magnetic torque, specific heat and thermal expansion of the bulk transition metal dichalcogenide (TMD) superconductor NbS2 in high magnetic fields, with its layer structure aligned strictly parallel to the field using a piezo rotary positioner. The upper critical field of superconducting TMDs in the 2D form is known to be dramatically enhanced by a special form of Ising spin orbit coupling. This Ising superconductivity is very robust to the Pauli paramagnetic effect and can therefore exist beyond the Pauli limit for superconductivity. We find that superconductivity beyond the Pauli limit still exists in bulk single crystals of NbS2 for a precisely parallel field alignment. However, the comparison of our upper critical field transition line with numerical simulations rather points to the development of a Fulde-Ferrell-Larkin-Ovchinnikov state above the Pauli limit as a cause. This is also consistent with the observation of a magnetic field driven phase transition in the thermodynamic quantities within the superconducting state near the Pauli limit.

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Section: Methodsmentioning

confidence: 99%

Evidence for the Fulde–Ferrell–Larkin–Ovchinnikov state in bulk NbS2

Cho

Lyu

et al. 2021

Nat Commun

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“…The high-quality single crystal of 2H-NbS2 was grown by a solvent evaporation technique, which is described in detail in Ref. 40. The sample represented a small square shaped platelet, which was completely flat on the macroscopic scale.…”

Section: Sample Preparationmentioning

confidence: 99%

Superconductivity beyond Pauli's limit in bulk NbS2: Evidence for the Fulde-Ferrell-Larkin-Ovchinnikov state

Cho

Lyu

et al. 2020

Preprint

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We present magnetic torque, specific heat and thermal expansion measurements combined with a piezo rotary positioner of the bulk transition metal dichalcogenide (TMD) superconductor NbS2 in high magnetic fields applied strictly parallel to its layer structure. The upper critical field of superconducting TMDs in the 2D form is known to be dramatically enhanced by a special form of Ising spin orbit coupling. This Ising superconductivity is very robust against the Pauli limit for superconductivity. We find that superconductivity beyond the Pauli limit still exists in bulk single crystals of NbS2. However, the comparison of our upper critical field transition line with numerical simulations rather points to the development of a Fulde-Ferrell-Larkin-Ovchinnikov state above the Pauli limit as a cause. This is also consistent with the observation of a magnetic field driven phase transition in the thermodynamic quantities within the superconducting state near the Pauli limit.

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“…[7][8][9] Practitioners have often employed dimensional reduction of bulk materials as a facile strategy to tune and diversify material properties. 10 This strategy of dimensional reduction may utilize either a top down [11][12][13] or bottom up [14][15][16][17][18][19] synthetic approach, resulting in the formation of low-dimensional (zero-, one-, or two-dimensional) materials with a variety of architectures and surface compositions. One established method for the bottom-up dimensional control of metal chalcogenides has made use of the inherent reactivity between organic chalcogenols and metal cation-based precursors.…”

Section: Introductionmentioning

confidence: 99%

“…Transition-metal chalcogenides represent a large class of hybrid materials that have been extensively studied in both academic and nonacademic research areas due to their promise as materials for a variety of applications, including photoluminescence, − electronic devices, − and electrochemical reactions. − Practitioners have often employed dimensional reduction of bulk materials as a facile strategy to tune and diversify material properties . This strategy of dimensional reduction may utilize either a top-down − or bottom-up − synthetic approach, resulting in the formation of low-dimensional (zero-, one-, or two-dimensional) materials with a variety of architectures and surface compositions. One established method for the bottom-up dimensional control of metal chalcogenides has made use of the inherent reactivity between organic chalcogenols and metal cation-based precursors.…”

Section: Introductionmentioning

confidence: 99%

Sterically Invariant Carborane-Based Ligands for the Morphological and Electronic Control of Metal–Organic Chalcogenolate Assemblies

et al. 2022

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Herein, we report the use of sterically invariant carborane-based chalcogenols, containing exopolyhedral B-Se or B-S bonds, as ligands for the formation of photoluminescent copper(I)based metal-organic chalcogenolate assemblies (MOCHAs). We show that precise tuning of the carborane dipole by changing the carborane isomer from meta-to ortho-allows for control over the MOCHA morphology and regulation of the resulting photophysical properties. Furthermore, microcrystal electron diffraction (MicroED) has been demonstrated as a powerful tool for metal chalcogenide structure elucidation. Through the use of MicroED, one of the isolated materials is determined to consist of zero-dimensional Cu 4 (Se-C 2 B 10 H 11 ) 4 clusters with an unprecedented Cu 4 Se 4 geometry.

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Growth of Transition-Metal Dichalcogenides by Solvent Evaporation Technique

Cited by 17 publications

References 31 publications

Evidence for the Fulde–Ferrell–Larkin–Ovchinnikov state in bulk NbS2

Evidence for the Fulde–Ferrell–Larkin–Ovchinnikov state in bulk NbS2

Superconductivity beyond Pauli's limit in bulk NbS2: Evidence for the Fulde-Ferrell-Larkin-Ovchinnikov state

Sterically Invariant Carborane-Based Ligands for the Morphological and Electronic Control of Metal–Organic Chalcogenolate Assemblies

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