Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1998-03-10
Phys. Rev. Lett. 80, (1998) 1284-1287
Physics
Condensed Matter
Strongly Correlated Electrons
Revtex, 4 pages, 3 postscript figures
Scientific paper
10.1103/PhysRevLett.80.1284
We report very highly resolved photoemission spectra of NiS(1-x)Se(x) across the so-called metal-insulator transition as a function of temperature as well as composition. The present results convincingly demonstrate that the low temperature, antiferromagnetic phase is metallic, with a reduced density of states at E$_F$. This decrease is possibly due to the opening of gaps along specific directions in the Brillouin zone caused by the antiferromagnetic ordering.
Chandrasekharan Nirmala
Kaindl Gunter
Kilian Lars
Krishnakumar S. R.
Sarma Debojit
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