[PDF] Superconductivity and Normal-State Properties of Kagome Metal RbV3Sb5 Single Crystals | Semantic Scholar (2024)

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@article{Yin2021SuperconductivityAN, title={Superconductivity and Normal-State Properties of Kagome Metal RbV3Sb5 Single Crystals}, author={Qiangwei 蔷薇 Yin 殷 and Zhijun 志俊 Tu 涂 and Chunsheng 春生 Gong 龚 and Yang 阳 Fu 付 and Shaohua 少华 Yan 闫 and Hechang 和畅 Lei 雷}, journal={Chinese Physics Letters}, year={2021}, volume={38}, url={https://api.semanticscholar.org/CorpusID:231699136}}
  • Qiangwei 蔷薇 Yin 殷, Zhijun 志俊 Tu 涂, H. Lei 雷
  • Published in Chinese Physics Letters 25 January 2021
  • Physics

We report the discovery of superconductivity and detailed normal-state physical properties of RbV3Sb5 single crystals with V kagome lattice. RbV3Sb5 single crystals show a superconducting transition at T c ∼ 0.92 K. Meanwhile, resistivity, magnetization and heat capacity measurements indicate that it exhibits anomalies of properties at T * ∼ 102–103 K, possibly related to the formation of charge ordering state. When T is lower than T *, the Hall coefficient R H undergoes a drastic change and…

191 Citations

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63

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6

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191 Citations

Double Superconducting Dome and Triple Enhancement of T_{c} in the Kagome Superconductor CsV_{3}Sb_{5} under High Pressure.
    K. ChenN. N. Wang J. Cheng

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    Physical review letters

  • 2021

This work demonstrates the potential to raise T_{c} of the V-based kagome superconductors, but also offers more insights into the rich physics related to the electron correlations in this novel family of topological kagomes metals.

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Nodal superconductivity and superconducting domes in the topological Kagome metal CsV3Sb5

Recently superconductivity was discovered in the Kagome metal AV3Sb5 (A = K, Rb, and Cs), which has an ideal Kagome lattice of vanadium1-4. These V-based superconductors also host charge density

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  • 2021

Recently, intensive studies have revealed fascinating physics, such as charge density wave and superconducting states, in the newly synthesized kagome-lattice materials $A$V$_3$Sb$_5$ ($A$=K, Rb,

Vanadium-Based Superconductivity in a Breathing Kagome Compound Ta2V3.1Si0.9
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Superconductivity in V-based kagome metals has recently raised great interest as they exhibit the competing ground states associated with the flat bands and topological electronic structures. Here we

Anomalous Hall effect and two-dimensional Fermi surfaces in the charge-density-wave state of kagome metal RbV3Sb5
    Lingfei WangWei Zhang S. Goh

    Physics

    Journal of Physics: Materials

  • 2023

AV3Sb5 (A = Cs, K, Rb) is a recently discovered superconducting system ( Tc∼0.9 –2.5 K) in which the vanadium atoms adopt the kagome structure. Intriguingly, these systems enter a charge-density-wave

Coexistence of Multiple Stacking Charge Density Waves in Kagome Superconductor ${\mathrm{CsV}}_3{\mathrm{Sb}}_5$
    Qian XiaoYi-Sheng Lin Y. Peng

    Physics

  • 2022

The recently discovered Kagome family ${\mathrm{AV}}_3{\mathrm{Sb}}_5$ (A = K, Rb, Cs) exhibits rich physical phenomena, including non-trivial topological electronic structure, giant anomalous Hall

A density-wave-like transition in the polycrystalline V3Sb2 sample with bilayer kagome lattice
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Recently, transition-metal-based kagome metals have aroused much research interest as a novel platform to explore exotic topological quantum phenomena. Here we report on the synthesis, structure, and

Competition between charge-density-wave and superconductivity in the kagome metal RbV3Sb5
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The interplay between charge-density-wave (CDW) order and superconductivity (SC) in the Kagome metal RbV3Sb5 is studied by tracking the evolutions of their transition temperatures, T* and Tc, as a

Charge Density Waves and Electronic Properties of Superconducting Kagome Metals.
    Hengxin TanYizhou LiuZiqiang WangBinghai Yan

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The inverse Star of David deformation is revealed as the 2×2×2 CDW ground state of the kagome lattice and the electron-phonon coupling is too weak to account for the superconductivity T_{c} in all three materials.

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Temperature-induced band renormalization and Lifsh*tz transition in a kagome superconductor RbV3Sb5
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Zhonghao Liu,1, 2, ∗ Ningning Zhao,3 Qiangwei Yin,3 Chunsheng Gong,3 Zhijun Tu,3 Man Li,3 Wenhua Song,3 Zhengtai Liu,1 Dawei Shen,1, 2 Yaobo Huang,4 Kai Liu,3, † Hechang Lei,3, ‡ and Shancai Wang3, §

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    [PDF] Superconductivity and Normal-State Properties of Kagome Metal RbV3Sb5 Single Crystals | Semantic Scholar (2024)

    FAQs

    What is superconductivity in Kagome lattice? ›

    Due to the particular sublattice character of the electronic states on the kagome lattice, disorder in spin-singlet superconducting phases is only weakly pair-breaking despite the fact that the gap structure features sign changes. By contrast, spin-triplet condensates remain fragile to disorder on the kagome lattice.

    What conditions are needed for superconductivity or what are the properties of a superconductor? ›

    These are superconducting characters.
    • (1) Electrical resistance = 0 Ω ( Existence of eternal current)
    • (2) Meissner effect.
    • (3) Existence of critical temperature (Tc), critical magnetic field (Hc) and critical current density (Jc)
    • (4) Type-I and Type-II superconductors.
    • (5) Quantum flux.

    What is a kagome metal? ›

    Kagome metals, also referred to as kagomes, are a class of compounds characterized by atomic lattices with hexagonal geometries that give rise to very complex electronic band structures.

    What are the properties of Kagome lattice? ›

    A kagome lattice harbors massive Dirac fermions, Berry curvature, band gaps, and spin–orbit activity, all of which are conducive to the Hall Effect and zero-energy-loss electric currents.

    Which metal behaves as a superconductor? ›

    Aluminium, niobium, magnesium diboride, cuprates such as yttrium barium copper oxide, and iron pnictides are all instances of superconductors. Complete Step By Step Answer: The ability of certain materials to conduct electric current with virtually no resistance is known as superconductivity.

    What are the two most striking properties of a superconductor? ›

    Superconducting materials in their superconducting state have no resistance. They are in this state at temperatures below a critical temperature Tc. In addition superconducting materials either expel magnetic fields completely or confine them to filaments when they are in the superconducting state.

    What is the physics behind superconductors? ›

    They proposed a radically new theory of how negatively charged electrons, which normally repel each other, form into pairs below Tc. These paired electrons are held together by atomic-level vibrations known as phonons, and collectively the pairs can move through the material without resistance.

    What does it mean when a material exhibits superconductivity? ›

    Superconductor materials are capable of carrying current without any resistance and electricity can flow indefinitely.

    What is superconductor lattice? ›

    These tiny vortices of supercurrent tend to arrange themselves in a hiangular. flux-lie lattice (FLL), which is more or less perturbed by material inhom*ogeneities that pin. the flux lines, and in high-T, superconductors (HTSCS) also by thermal fluctuations.

    What is superconductivity in magnetic field? ›

    Superconductivity is the property of certain materials to conduct direct current (DC) electricity without energy loss when they are cooled below a critical temperature (referred to as Tc). These materials also expel magnetic fields as they transition to the superconducting state.

    What is superconductivity in condensed matter physics? ›

    For a material to be classified as a superconductor, experiments have to demonstrate superconductivity, the flow of electrical current without dissipation in a state of practically zero electrical resistivity, perfect or partial diamagnetism associated with the Meissner–Ochsenfeld effect, and the Josephson effect, ...

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