Magnesium doping in a high-capacity Ni-rich cathode suppresses cation mixing and transition-metal migration, leading to remarkable structural stability and cycling performance.
Constructing a robust and elastic solid electrolyte interphase (SEI) on a graphite anode is an important strategy to suppress lithium-inventory loss and to prolong the lifespan of the state-of-the-art lithium-ion batteries.
SA inputs questionnaire data in the comma-separated values format. After a user designates an open question or several open questions (in a column or This text mining system provides a new way of analyzing natural-language responses to questionnaires. Using two statistical learning techniques-rule analysis and correspondence analysis-the system extracts characteristics of individual analysis targets as well as relationships among those characteristics.
PdTe 2 , a member of layered transition metal dichalcogenides (TMDs), has aroused significant research interest due to the coexistence of superconductivity and type-II Dirac fermions. It provides a promising platform to explore the interplay between superconducting quasiparticles and Dirac fermions. Moreover, PdTe 2 has also been used as a substrate for monolayer antimonene growth. Here in this paper, we report the epitaxial growth of high quality PdTe 2 films on bilayer graphene/SiC(0001) by molecular beam epitaxy (MBE). Atomically thin films are characterized by scanning tunneling microscopy (STM), X-ray photoemission spectroscopy (XPS), low-energy electron diffraction (LEED), and Raman spectroscopy. The band structure of 6-layer PdTe 2 film is measured by angle-resolved photoemission spectroscopy (ARPES). Moreover, our air exposure experiments show excellent chemical stability of epitaxial PdTe 2 film. High-quality PdTe 2 films provide opportunities to build antimonene/PdTe 2 heterostructure in ultrahigh vacuum for future applications in electronic and optoelectronic nanodevices.
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