Observation of strong surface state effects in the nonlinear magneto-optical response of Ni(110)

Spectroscopic magnetization induced optical Second Harmonic Generation (MSHG) measurements from a clean Ni(110) surface reveal strong resonance effects near 2.7 eV that can be attributed to the presence of an empty surface state. The good agreement with model calculations shows the potential of MSHG to probe spin polarized interface band structures.Comment: REVTeX/EPS figures/Authors's single Postsript file, to appear in PRL, our new phase-sensitive detection technique is used (see PRB, 58, R16020 (1998)), for more details see http://www.sci.kun.nl/tvs/people/petukhov

Het effect van schaal en fusie bij woningcorporaties

Woningcorporaties staan op het ogenblik in de spotlight. De parlementaire enquête naar de incidenten is gestart. De commissie betrekt ook doelmatigheid in haar onderzoek (Esmeijer, 2013). De discussie over doelmatigheid van corporaties is ook leven ingeblazen door drie rapporten (Dorr & Wittenberg, 2013; Dreimüller, Gruis, & Snoeijs, 2013; Veenstra, Allers, & Koolma, 2013). De verhuurderheffing van minister Blok zet corporaties nog eens extra onder druk. Deze ontwikkelingen maken het noodzakelijk om naar verbetering van doelmatigheid in de corporatiesector te streven

Audit assurance model and Bayesian discovery sampling

Economics;Auditing;Sampling;econometrics

Attentional avoidance of high-fat food in unsuccessful dieters

Using the exogenous cueing task, this study examined whether restrained and disinhibited eaters differ in their orientation of attention towards and their difficulty to disengage from high versus low-fat food pictures in a relatively short (500 ms) and a long presentation format (1500 ms). Overall, participants in the 500 ms condition showed a tendency to direct attention away from high-fat food pictures compared to neutral pictures. No differential pattern was evident for the 1500 ms condition. Correlational analysis revealed that reduced engagement with high-fat food was particularly pronounced for disinhibited eaters. Although in the short term this seems an adaptive strategy, it may eventually become counterproductive, as it could hinder habituation and learning to cope with seductive characteristics of high-fat food. (C) 2010 Elsevier Ltd. All rights reserved

Bullying and Victimization in Elementary Schools: A Comparison of Bullies, Victims, Bully/Victims, and Uninvolved Preadolescents

Research on bullying and victimization largely rests on univariate analyses and on reports from a single informant. Researchers may thus know too little about the simultaneous effects of various independent and dependent variables, and their research may be biased by shared method variance. The database for this Dutch study was large (N = 1,065) and rich enough to allow multivariate analysis and multisource information. In addition, the effect of familial vulnerability for internalizing and externalizing disorders was studied. Gender, aggressiveness, isolation, and dislikability were most strongly related to bullying and victimization. Among the many findings that deviated from or enhanced the univariate knowledge base were that not only victims and bully/victims but bullies as well were disliked and that parenting was unrelated to bullying and victimization once other factors were controlled.