activity
20022026
most citedThe HELLAS2XMM survey. VII. The hard X-ray luminosity function of AGN up to z=4: more absorbed AGN at low luminosities and high redshifts

423 citations · 964 across the 23 of their papers we have counts for

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Showing 2002Show all

2 papers · 1 filter

astro-ph2002★ 1 cited

Mass of BL Lacs from the Velocity Dispersion of the Host Galaxy

A. Treves, N. Carangelo, R. Falomo +1

We report on new measurements of the stellar velocity dispersion of 4 BL Lac objects for which optical spectroscopy was gathered at the ESO 3.6m using EFOSC2. Assuming the M(BH)--(…

cond-mat.mtrl-sci2002★ 37 cited

Disproportionation Phenomena on Free and Strained Sn/Ge(111) and Sn/Si(111) Surfaces

G. Ballabio, G. Profeta, S. de Gironcoli +3

Distortions of the Sn/Ge(111) and Sn/Si(111) surfaces are shown to reflect a disproportionation of an integer pseudocharge, , related to the surface band oc…