Fabrication and physical properties of novel two-dimensional crystal materials beyond graphene : germanene, hafnene, and PtSe2 / Linfei Li.

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Fabrication and physical properties of novel two-dimensional crystal materials beyond graphene : germanene, hafnene, and PtSe2 / Linfei Li.

9789811519635 (electronic book)
9811519633 (electronic book)
9789811519628

Singapore : Springer, 2020.

English

1 online resource (71 pages).

TA418.9.N35

620.1/15

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.

"Doctoral thesis accepted by Institute of Physics, Chinese Academy of Sciences, Beijing, China."

Includes bibliographical references.

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