journal article·2014-07

The synthesis of PrB6 nanowires and nanotubes by the self-catalyzed method

Mingfeng Chi, Yanming Zhao, Qinghua Fan, Wei Han

Ceramics International· Volume 40· Issue 6
Publisher page

Abstract

Abstract The praseodymium hexaborides (PrB6) nanowires and amorphous PrB6 nanotubes were successfully fabricated through a catalyst-free chemical vapor deposition (CVD) process using Pr powders and BCl3 as starting materials. X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM) and selected area electron diffraction (SAED) were used to characterize the morphology, composition and structure of the samples. Our results showed that the as-synthesized nanowires were polycrystalline with 10–100 nm in diameter and ~2–10 μm in length. Furthermore, we also obtained PrB6 nanotubes for the first time in our experiment. HRTEM and SAED identified that the PrB6 nanotubes were amorphous in nature. A growth mechanism was proposed for the formation of the PrB6 nanostructure.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Rare-earth and actinide compounds · Diamond and Carbon-based Materials Research · Boron and Carbon Nanomaterials Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (20)

Show source-provided references
1. Single-crystalline LaB6 nanowires10.1021/ja043512c ↗
2. Single-crystalline CeB6 nanowires10.1021/ja051340t ↗
3. Field emission characteristics of single crystal LaB6 field emitters fabricated by the electrochemical etching method
4. A determination of the low work function planes of lanthanum hexaboride10.1016/0039-6028(84)90451-5 ↗
5. Field-emission and field-ion microscopy of lanthanum hexaboride10.1063/1.324151 ↗
6. Magnetic ordering in the rare-earth hexaborides10.1126/science.160.3835.1443 ↗
7. Thermal field emission observation of single-crystal lanthanum hexaboride10.1063/1.346322 ↗
8. LaB6 crystals from fused salt electrolysis10.1039/a802895h ↗
9. Morphological evolution of neodymium boride nanostructure growth by chemical vapor deposition10.1021/jp901717h ↗
10. Rare earth hexaboride nanowires: general synthetic design and analysis using atom probe tomography10.1021/cm200258h ↗
11. Self-catalyst growth of LaB6 nanowires and nanotubes10.1016/j.cplett.2006.03.049 ↗
12. Fabrication of large-scale single-crystalline PrB6 nanorods and their temperature-dependent electron field emission10.1002/adfm.200801248 ↗
13. Field emission from one-dimensional single-crystalline NdB6 nanowires10.1016/S1002-0721(12)60248-8 ↗
14. Vapor–liquid–solid mechanism of single crystal growth10.1063/1.1753975 ↗
15. The synthesis of metal oxide nanowires by directly heating metal samples in appropriate oxygen atmospheres10.1088/0957-4484/14/7/308 ↗
16. Rare earth compound nanotubes10.1002/adma.200305164 ↗
17. Three-step growth of well-aligned ZnO nanotube arrays by self-catalyzed metalorganic chemical vapor deposition method10.1021/cg900557n ↗
18. Formation of single crystalline ZnO nanotubes without catalysts and templates10.1063/1.2714186 ↗
19. Catalytic growth of germanium oxide nanowires, nanotubes, and germanium nanowires: temperature-dependent effect10.1021/jp8080386 ↗
20. Self-assembly of versatile tubular-like In2O3 nanostructures10.1088/0957-4484/18/46/465605 ↗