Fabrication and Physical Properties of Novel Two-dimensional Crystal Materials Beyond Graphene: Germanene, Hafnene and PtSe2 [electronic resource] / by Linfei Li.
Material type: TextSeries: Springer Theses, Recognizing Outstanding Ph.D. ResearchPublisher: Singapore : Springer Singapore : Imprint: Springer, 2020Edition: 1st ed. 2020Description: XV, 58 p. online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9789811519635Subject(s): Surfaces (Physics) | Interfaces (Physical sciences) | Thin films | Materials-Surfaces | Nanoscale science | Nanoscience | Nanostructures | Spectroscopy | Microscopy | Materials science | Surface and Interface Science, Thin Films | Surfaces and Interfaces, Thin Films | Nanoscale Science and Technology | Spectroscopy and Microscopy | Characterization and Evaluation of MaterialsAdditional physical formats: Printed edition:: No title; Printed edition:: No title; Printed edition:: No titleDDC classification: 530.417 LOC classification: QC176.8.S8QC611.6.S9Online resources: Click here to access onlineIntroduction -- Germanene on Pt(111) -- Hafnene on Ir(111) -- Monolayer PtSe2 -- Summary and Outlook.
This thesis reports on essential experimental work in the field of novel two-dimensional (2D) atomic crystals beyond graphene. It especially describes three new 2D crystal materials, namely germanene, hafnene, and monolayer PtSe2 fabricated experimentally for the first time, using an ultra-high vacuum molecular beam epitaxy (UHV-MBE) system. Multiple characterization techniques, including scanning tunneling microscope (STM), low energy electron diffraction (LEED), scanning transmission electron microscope (STEM), and angle-resolved photoemission spectroscopy (ARPES), combined with theoretical studies reveal the materials' atomic and electronic structures, which allows the author to further investigate their physical properties and potential applications. In addition, a new epitaxial growth method for transition metal dichalcogenides involving direct selenization of metal supports is developed. These studies represent a significant step forward in expanding the family of 2D crystal materials and exploring their application potentials in future nanotechnology and related areas.
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