299 citations · 803 across the 14 of their papers we have counts for
14 papers
Honeycomb lattice in metal-rich chalcogenide Fe2Te
Jia-Qi Guan, Li Wang, Pengdong Wang +7
Two-dimensional honeycomb crystals have inspired intense research interest for their novel properties and great potential in electronics and optoelectronics. Here, through molecula…
Experimental observation of pseudogap in a modulation-doped Mott insulator: Sn/Si(111)-()-R30
Yan-Ling Xiong, Jia-Qi Guan, Rui-Feng Wang +3
Unusual quantum phenomena usually emerge upon doping Mott insulators. Using a combinatorial molecular beam epitaxy system integrated with cryogenic scanning tunneling microscopy, w…
Electronic inhomogeneity and band structure on superstructural CuO2 planes of infinite-layer Sr0.94La0.06CuO2+y films
Rui-Feng Wang, Jiaqi Guan, Yan-Ling Xiong +6
Scanning tunneling microscopy and spectroscopy are utilized to study the atomic-scale structure and electronic properties of infinite-layer Sr0.94La0.06CuO2+y films prepared on SrR…
Superconductivity of the FeSe/SrTiO3 Interface in the View of BCS-BEC Crossover
Shuyuan Zhang, Guangyao Miao, Jiaqi Guan +6
In paired Fermi systems, strong many-body effects exhibit in the crossover regime between the Bardeen-Cooper-Schrieffer (BCS) and the Bose-Einstein condensation (BEC) limits. The c…
Dynamic interfacial polaron enhanced superconductivity of FeSe/SrTiO3
Shuyuan Zhang, Tong Wei, Jiaqi Guan +8
The observation of substantially enhanced superconductivity of single-layer FeSe films on SrTiO3 has stimulated intensive research interest. At present, conclusive experimental dat…
Lattice Dynamics of Ultrathin FeSe Films on SrTiO3
Shuyuan Zhang, Jiaqi Guan, Yan Wang +14
Charge transfer and electron-phonon coupling (EPC) are proposed to be two important constituents associated with enhanced superconductivity in the single unit cell FeSe films on ox…
Large Magnetic Anisotropy of an Iron-Porphyrin Complex on Metal Substrate
Bing Liu, Huixia Fu, Jiaqi Guan +4
Single magnetic atoms or molecules with large single-ion magnetic anisotropy are highly desired for future applications in high-density data storage and quantum computation. Here w…
Superstructure evolution of tellurium atoms on Au(111) surface at different coverages
Jiaqi Guan, Xiaochun Huang, Shuyuan Zhang +4
We systematically investigated the superstructure evolution of Te atoms on Au(111) substrate at different coverages. As revealed by low temperature scanning tunneling microscopy an…
Superconducting transition of FeSe/SrTiO3 induced by adsorption of semiconducting organic molecules
Jiaqi Guan, Jian Liu, Bing Liu +7
We prepared superconducting and non-superconducting FeSe films on SrTiO3(001) substrates (FeSe/STO) and investigated the superconducting transition induced by charge transfer betwe…
Epitaxial Growth and Band Structure of Te Film on Graphene
Xiaochun Huang, Jiaqi Guan, Bing Liu +3
Tellurium (Te) films with monolayer and few-layer thickness are obtained by molecular beam epitaxy on a graphene/6H-SiC(0001) substrate and investigated by in situ scanning tunneli…
The Role of SrTiO3 Phonon Penetrating into thin FeSe Films in the Enhancement of Superconductivity
Shuyuan Zhang, Jiaqi Guan, Xun Jia +10
The significant role of interfacial coupling on the superconductivity enhancement in FeSe films on SrTiO3 has been widely recognized. But the explicit origination of this coupling…
Visualizing the elongated vortices in -Ga nanostrips
Hui-Min Zhang, Zi-Xiang Li, Jun-Ping Peng +10
We study the magnetic response of superconducting -Ga via low temperature scanning tunneling microscopy and spectroscopy. The magnetic vortex cores rely substantially on the Ga…
Molecular beam epitaxy growth and scanning tunneling microscopy study of TiSe ultrathin films
Jun-Ping Peng, Jia-Qi Guan, Hui-Min Zhang +5
Molecular beam epitaxy is used to grow TiSe2 ultrathin films on graphitized SiC(0001) substrate. TiSe2films proceed via a nearly layer-by-layer growth mode and exhibit two dominant…
Detection of a superconducting phase in a two-atom layer of hexagonal Ga film grown on semiconducting GaN(0001)
Huimin Zhang, Yi Sun, Wei Li +21
The recent observation of superconducting state at atomic scale has motivated the pursuit of exotic condensed phases in two-dimensional (2D) systems. Here we report on a supercondu…