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Articles by Zechao wang
Nodeless superconducting gap and electron-boson coupling in (La,Pr,Sm) 3 Ni 2 O 7 films
Abstract Supplementary Materials References and Notes Information & Authors Metrics & Citations Check Access References Figures Tables Media Share Abstract The discovery of superconductivity in Ruddlesden-Popper (RP) bilayer nickelate films under ambient pressure provides an opportunity to directly investigate electronic energy scales of the superconducting state and the pairing mechanism.
Carbonylative Synthesis of 1,4-Diketones
2.2.1. Carbon Radical Acylation In recent years, carbon radical acylation has emerged as a powerful and versatile strategy for the construction of carbonyl-containing molecules via radical pathways. In 2004, Ryu and co-workers introduced a tin enolate-mediated, multicomponent radical cascade involving alkyl or aryl iodides, carbon monoxide, and enolates to access β-diketones and β-functionalized δ-diketones ( Figure 14 ).
Highly stabilized and efficient thermoelectric copper selenide - Nature Materials
Abstract The liquid-like feature of thermoelectric superionic conductors is a double-edged sword: the long-range migration of ions hinders the phonon transport, but their directional segregation greatly impairs the service stability. We report the synergetic enhancement in figure of merit (ZT) and stability in Cu1.99Se-based superionic conductors enabled by ion confinement effects.
Persistent Josephson tunneling between ${\mathrm{Bi}}_{2}{\mathrm{Sr}}_{2}{\mathrm{CaCu}}_{2}{\mathrm{O}}_{8+x}$ flakes twisted by ${45}^{\ensuremath{\circ}}$ across the superconducting dome
Yuying Zhu1,2,*, Heng Wang3,*, Zechao Wang4,5,*, Shuxu Hu3, Genda Gu6, Jing Zhu4,5,†, Ding Zhang1,3,7,‡, and Qi-Kun Xue1,3,8,§ 1Beijing Academy of Quantum Information Sciences, Beijing 100193, China 2Hefei National laboratory, Hefei 230088, China 3State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing 100084, China 4National Center for Electron Microscopy in Beijing, School of Materials Science and Engineering, Key Laboratory of...
Correlating the charge-transfer gap to the maximum transition temperature in Bi2Sr2Can-1CunO2n+4+δ
Editor’s summary The mechanism of high-temperature superconductivity in copper oxide materials remains a mystery more than 30 years after its initial discovery. One way to shed light on this is to look for correlations between different observables in cuprate families. Wang et al. used electron energy-loss spectrometry to measure the charge transfer gap in a class of bismuth-based cuprates with varying numbers of copper oxide planes in the unit cell.
Correlating the charge-transfer gap to the maximum transition temperature in Bi2Sr2Can-1CunO2n+4+δ
Editor’s summary The mechanism of high-temperature superconductivity in copper oxide materials remains a mystery more than 30 years after its initial discovery. One way to shed light on this is to look for correlations between different observables in cuprate families. Wang et al. used electron energy-loss spectrometry to measure the charge transfer gap in a class of bismuth-based cuprates with varying numbers of copper oxide planes in the unit cell.
Silver‐Catalyzed Synthesis of Benzyl Ethers via Alkoxylation of Benzylic C(sp3)−H Bonds
As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors.
Topological spin texture in the pseudogap phase of a high-Tc superconductor - Nature
Author notes These authors contributed equally: Zechao Wang, Ke Pei Authors and Affiliations National Center for Electron Microscopy in Beijing, School of Materials Science and Engineering, Key Laboratory of Advanced Materials (MOE), The State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing, People’s Republic of China Zechao Wang & Jing Zhu Ji Hua Laboratory, Foshan, People’s Republic of China Zechao Wang & Jing Zhu Laboratory of Advanced Materials, Department...
Copper-Catalyzed Carbonylative Transformations of Indoles with Hexaketocyclohexane
X. Wu, Z. Wang and Z. yin, Chem. Commun., 2018, Accepted Manuscript , DOI: 10.1039/C8CC01784K If you are not the author of this article and you wish to reproduce material from it in a third party non-RSC publication you must formally request permission using RightsLink. Go to our Instructions for using RightsLink page for details.
Publisher Correction: Atomic scale imaging of magnetic circular dichroism by achromatic electron microscopy
In Fig. 1 of the version of this Letter originally published, the word ‘Subtract’ was missing from the green box to the left of panel f. This has now been corrected in all versions of the Letter.
Atomic scale imaging of magnetic circular dichroism by achromatic electron microscopy
In order to obtain a fundamental understanding of the interplay between charge, spin, orbital and lattice degrees of freedom in magnetic materials and to predict and control their physical properties1,2,3, experimental techniques are required that are capable of accessing local magnetic information with atomic-scale spatial resolution.
A copper-catalyzed carbonylative four-component reaction of ethene and aliphatic olefins
To have the balance between reactivity and selectivity has been a long-standing challenge in multicomponent reactions. In this communication, a carbonylative four components reaction has been developed. With copper as the catalyst, using ethene including other aliphatic alkenes, alcohols and acetonitrile as the substrates under CO pressure, various desired products were produced in moderate to good yields. The obtained products can be applied in the synthesis of ?-valerolactams.
A Sustainable Procedure toward Alkyl Arylacetates: Palladium-Catalysed Direct Carbonylation of Benzyl Alcohols in Organic Carbonates
X. Wu, Y. Li and Z. Wang, Green Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7GC03619A If you are not the author of this article and you wish to reproduce material from it in a third party non-RSC publication you must formally request permission using RightsLink. Go to our Instructions for using RightsLink page for details.
An Unexpected Copper-Catalyzed Carbonylative Acetylation of Amines
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