2026-09-21T20:31:35Z https://www.ideals.illinois.edu/oai-pmh

oai:www.ideals.illinois.edu:2142/25368 2023-07-10 col_2142_8859 col_2142_5131 com_2142_8858 com_2142_234 com_2142_5130

Ginsberg, D.M. Terris, Bruce David 2011-06-08T17:37:11Z 2011-06-08T17:37:11Z 10000-01-01 1983 We have used electron tunneling measurements to determine the density of states of quench-condensed thin films of In-Cr, Zn-Mn, and Al-Mn, and of annealed thin films of Zn-Mn. The results on In-Cr and Zn-Mn were compared with Shiba's theory for magnetic atoms in superconductors. We observed the localized band of states predicted to form in the energy gap of such alloys, though the observed band was broader than that predicted. The annealed samples of Zn-Mn showed a narrower band than did the quench-condensed samples. Reasonable agreement with Shiba's theory was found if s, p, and d wave scattering were included. The results on Al-Mn were compared with Salomaa and Nieminen's theory for nonmagnetic resonant state atoms in superconductors. The predicted band of states was not observed. Our measurements indicate that Mn in quench-condensed Al is nonmagnetic. Any resonant states which do exist in the superconducting alloy are too broad to be seen in our tunneling measurement. Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-08T17:37:11Z No. of bitstreams: 1 1983_terris.pdf: 3156162 bytes, checksum: 5245d6c357041af1a96cf186cb3a4e71 (MD5) Made available in DSpace on 2011-06-08T17:37:11Z (GMT). No. of bitstreams: 1 1983_terris.pdf: 3156162 bytes, checksum: 5245d6c357041af1a96cf186cb3a4e71 (MD5) Previous issue date: 1983 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-08T17:37:11Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:13:01-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis Thesis U of I Only 699628 http://hdl.handle.net/2142/25368 en 1983 Bruce David Terris electron tunneling superconductors doped with magnetic atoms superconductors nonmagnetic state atoms wave scattering Electron tunneling study of superconductors doped with magnetic atoms and nonmagnetic resonant state atoms: Indium-chromium, zinc-manganese, and aluminum-manganese Dissertation / Thesis text Physics Physics University of Illinois at Urbana-Champaign Dissertation Ph.D.