Pure metal and metal-doped rare-gas clusters grown in a pulsed ARC cluster ion source

✍ Scribed by G. Ganteför; H.R. Siekmann; H.O. Lutz; K.H. Meiwes-Broer

• Publisher: Elsevier Science
• Year: 1990
• Tongue: English
• Weight: 362 KB
• Volume: 165
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(90)87191-s

✦ Synopsis

The performance of a new pulsed arc cluster ion source (PACIS) is demonstrated for pure metal cluster ions and anions as well as mixed metal-rare-gas clusters. Pure metal clusters like W$ exhibit intensity distributions similar to those from laser vaporization sources. The ion current of the PACIS is comparable to that of a laser vaporization source. For metal-doped argon cluster ions, a single aluminium atom serves as the central ion which is surrounded by argon atoms arranged in an icosahedron. These measurements therefore strongly support the close packing model for argon clusters.