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The crux of understanding the superconducting mechanism in pressurized Ruddlesden-Popper nickelates hinges on elucidating their structural phases. Under ambient conditions, the trilayer nickelate La4Ni3O10 stabilizes in a twinned monoclinic…

We report experimental and computational studies of thermal transport properties in hexagonal boron nitride (hBN) encapsulated molybdenum disulfide (MoS2) structure using refined optothermal Raman techniques, and reveal very high…

介观与纳米尺度物理 · 物理学 2021-02-11 Fan Ye , Qingchang Liu , Baoxing Xu , Philip X. -L. Feng , Xian Zhang

Bilayer moir\'e structures have attracted significant attention recently due to their spatially modulated layer degrees of freedom. However, the layer-dependent transport mechanism in the moir\'e structures is still a problem to be…

介观与纳米尺度物理 · 物理学 2024-03-01 Chao-Jie Ren , Zhao Gong , Hui-Ying Mu , Xing-Tao An , Wang Yao , Jian-Jun Liu

We study the largest-angle twisted homo-bilayer (LA-THB) systems, hosting Moir\'eless quasi-crystal (QC) structure. We propose to use these materials to generate high-angular-momentum (HAM) topological superconductivities (TSCs) protected…

超导电性 · 物理学 2024-02-07 Yu-Bo Liu , Yongyou Zhang , Wei-Qiang Chen , Fan Yang

By drilling periodic thru-holes in a suspended film, the phonon system can be modified. Being motivated by the BCS theory, the technique, so-called phonon engineering, was applied to a niobium sheet. The newly emergent high-$T_{c}$…

综合物理 · 物理学 2022-09-12 N. Zen

We report the synthesis, magnetic susceptibility and crystal structure analysis for NbB2+x (x = 0.0 to 1.0) samples. The study facilitates in finding a correlation among the lattice parameters, chemical composition and the superconducting…

超导电性 · 物理学 2009-11-13 Monika Mudgel , V. P. S. Awana , G. L. Bhalla , H. Kishan

We present a guide for the design and fabrication of a CMOS-compatible metamaterial microstructure as an absorber of visible light with exceptionally high absorption efficiency (~ 98%), for wavelengths 400nm-700nm. The structural parameters…

光学 · 物理学 2023-02-28 Vivek Khichar , Nader Hozhabri , Ali R. Koymen

Superconducting boron doped silicon is a promising material for integrated silicon quantum devices. In particular, its low electronic density and moderate disorder make it a suitable candidate for the fabrication of large inductances with…

超导电性 · 物理学 2021-06-25 P. Bonnet , F. Chiodi , D. Flanigan , R. Delagrange , N. Brochu , D. Débarre , H. le Sueur

The structural, elastic and electronic properties of two-dimensional (2D) titanium carbide/nitride based pristine (Tin+1Cn/Tin+1Nn) and functionalized MXenes (Tin+1CnT2/Tin+1NnT2, T stands for the terminal groups: -F, -O and -OH, n = 1, 2,…

材料科学 · 物理学 2018-07-06 Ning Zhang , Yu Hong , Sanaz Yazdanparast , Mohsen Asle Zaeem

Superconductivity was found for a rhenium boride Re3B at Tc=4.7 K and for ReB2 with Tc in the range from 4.5 to 6.3 K depending on the boron concentrations. Both compounds have the structure different from that of the simple layered…

Molecular building blocks interacting at the nanoscale organize spontaneously into stable mono- layers that display intriguing long-range ordering motifs on the surface of atomic substrates. The patterning process, if appropriately…

介观与纳米尺度物理 · 物理学 2011-02-18 Marta Balbás Gambra , Carsten Rohr , Kathrin Gruber , Bianca Hermann , Thomas Franosch

Lots of two-dimensional (2D) materials have been predicted theoretically, and further confirmed in experiment, which have wide applications in nanoscale electronic, optoelectronic and thermoelectric devices. Here, the thermoelectric…

材料科学 · 物理学 2017-10-25 San-Dong Guo , Ai-Xia Zhang

Bilayer (BL) molybdenum disulfide (MoS$_2$) is one of the most important electronic structures not only in valleytronics but also in realizing twistronic systems on the basis of the topological mosaics in Moir\'e superlattices. In this…

材料科学 · 物理学 2023-04-17 Xingjia Cheng , Wen Xu , Hua Wen , Jing Zhang , Heng Zhang , Haowen Li , Qingqing Chen

Topological superconductivity has attracted significant attention due to its potential applications in quantum computation, but its experimental realization remains challenging. Recently, monolayer T$_{\textrm{d}}$-MoTe$_2$ was observed to…

超导电性 · 物理学 2024-12-09 Xin-Zhi Li , Zhen-Bo Qi , Quansheng Wu , Wen-Yu He

Since the discovery of superconductive twisted bilayer graphene which initiated the field of twistronics, moir\'e systems have not ceased to exhibit fascinating properties. We demonstrate that in boron nitride twisted bilayers, for a given…

材料科学 · 物理学 2023-03-29 Sylvain Latil , Hakim Amara , Lorenzo Sponza

Boron-based clathrate materials, typically with three-dimensional networks of B atoms, have tunable properties through substitution of guest atoms, but the tuning of B cages themselves has not yet been developed. By combining crystal…

材料科学 · 物理学 2021-12-08 Liang Ma , Xin Yang , Guangtao Liu , Hanyu Liu , Guochun Yang , Hui Wang , Jinqun Cai , Mi Zhou , Hongbo Wang

A van der Waals material, MoTe2 with a monoclinic 1T' crystal structure is a candidate for three-dimensional (3D) second-order topological insulators (SOTIs) hosting gapless hinge states and insulating surface states. However, due to the…

The study of twisted two-dimensional (2D) materials, where twisting layers create moir\'e superlattices, has opened new opportunities for investigating topological phases and strongly correlated physics. While systems such as twisted…

By making periodic thru-holes in a suspended film, the phonon system can be modified. Motivated by the BCS theory, the technique -- so-called phonon engineering -- was applied to a metallic niobium sheet. It was found that its electrical…

综合物理 · 物理学 2026-05-05 N. Zen

The presented results are part of a feasibility study of superheated superconducting microstructure detectors. The microstructures (dots) were fabricated using thin film patterning techniques with diameters ranging from $50\mu$m up to…

凝聚态物理 · 物理学 2009-10-22 C. Berger