Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Jiuxing Zhang"'
Publikováno v:
CrystEngComm. 22:8236-8242
A high-quality and large-sized GdB6 single crystal was successfully prepared by using the optical floating zone method to accurately control the temperature and composition of the molten zone. A GdB6 [100] single crystal 25 mm in length and 5 mm in d
Publikováno v:
Vacuum. 165:157-162
CeB6-based quaternary rare-earth hexaboride single crystals Ce1-x-yLaxPryB6 (x = 0.1–0.4, y = 0.1–0.4) with Φ 5 mm × 35 mm were grown via the optical floating zone technique. The crystal structure, atomic composition and thermionic emission pro
Publikováno v:
Vacuum. 158:152-157
We propose an effective and rapid route for synthesizing polycrystalline mayenite electride (C12A7:e−) in dense bulk. C12A7:e− bulks with high-density electron doping were obtained via a comprehensive method, which combined Ti powder treatment wi
Publikováno v:
Journal of Alloys and Compounds. 769:706-712
The high-quality LaxCeyPr1-x-yB6 (x = 0.6–0.8, y = 0.1–0.3) single crystals have been firstly grown by optical floating zone melting method. The crystal structure, mechanical and thermionic emission properties of the as-grown single crystals were
Publikováno v:
Journal of Alloys and Compounds. 760:1-5
Motivated by enhanced thermionic emission performance resulting from low work function, the work function of CexLa1−xB6 is studied by first-principles calculation based on density functional theory. By calculation, the optimal Ce doping concentrati
Publikováno v:
Vacuum. 151:76-79
The high-quality Praseodymium hexaboride (PrB6) single crystal was successfully grown by a floating zone method using PrB6 powders as starting materials. The XRD pattern and single crystal diffractometer confirmed that the high-quality PrB6 single cr
Publikováno v:
Applied Surface Science. 434:613-619
The density function theory been used to calculate the electronic structures of binary and doped rare earth hexaborides (REB6), which exhibits the large density of states (DOS) near Fermi level. The d orbital elections of RE element contribute the el
Publikováno v:
Materials & Design, Vol 133, Iss, Pp 299-306 (2017)
The directionally solidified (DS) LaB6-VB2 eutectic composite is successfully prepared by the optical floating zone technique. The effect of solidification rate on the microstructure characteristic, mechanical and thermionic properties are investigat
Publikováno v:
Vacuum. 143:245-250
The crystal electronic structure and work functions of single crystal LaB 6 typical crystal surfaces were systematically studied. The electronic structure calculation shows that the LaB 6 have metallic property and the large density of state near the
Publikováno v:
Journal of Alloys and Compounds. 818:152924
La0.6Ce0.3Pr0.1B6-ZrB2 directionally solidified eutectic (DSE) with the [100] orientation of the La0.6Ce0.3Pr0.1B6 matrix is firstly fabricated via the optical floating zone technique using LaB6, CeB6, PrB6 and ZrB2 powders as raw materials. The micr