Le débriefing : rétablir la continuité. Un acte infirmier ?

Des infirmiers en psychiatrie sortent de leur lieu habituel d'intervention, changent de cadre de référence pour assister des personnes en détresse à la suite d'une situation insoutenable

An improved continuous compositional-spread technique based on pulsed-laser deposition and applicable to large substrate areas

A new method for continuous compositional-spread (CCS) thin-film fabrication based on pulsed-laser deposition (PLD) is introduced. This approach is based on a translation of the substrate heater and the synchronized firing of the excimer laser, with the deposition occurring through a slit-shaped aperture. Alloying is achieved during film growth (possible at elevated temperature) by the repeated sequential deposition of sub-monolayer amounts. Our approach overcomes serious shortcomings in previous in-situ implementations of CCS based on sputtering or PLD, in particular the variations of thickness across the compositional spread and the differing deposition energetics as function of position. While moving-shutter techniques are appropriate for PLD-approaches yielding complete spreads on small substrates (i.e. small as compared to distances over which the deposition parameters in PLD vary, typically about 1 cm), our method can be used to fabricate samples that are large enough for individual compositions to be analyzed by conventional techniques, including temperature-dependent measurements of resistivity and dielectric and magnetic and properties (i.e. SQUID magnetometry). Initial results are shown for spreads of (Sr,Ca)RuO$_3$.Comment: 6 pages, 8 figures, accepted for publication in Rev. Sci. Instru

Hall-effect studies in YBa2Cu3O7/PrBa2Cu3O7 superlattices

We measured the resistivity and the Hall coefficient RH in a series of YBa2Cu3O7/PrBa2Cu3O7 multilayers. We found no systematic change of the transport properties with decreasing layer thicknesses down to one unit cell. The resistivity and RH evaluated for the YBa2Cu3O7 layers are slightly higher than in bulk material, suggesting a small decrease of the carrier density in the multilayers. However, we observe no change in the Hall number 1/eRH when the thickness of the YBa1Cu3O7 layers decreases, so that the lowering of Tc observed in the superlattices cannot simply be related to a change in the carrier density. Furthermore, we find that the temperature dependence of RH is very similar to that of bulk materials

Comparison of organ doses and image quality between CT and flat panel XperCT scans in wrist and inner ear examinations

The aim of this study was to evaluate and compare organ doses delivered to patients in wrist and petrous bone examinations using a multislice spiral computed tomography (CT) and a C-arm cone-beam CT equipped with a flat-panel detector (XperCT). For this purpose, doses to the target organ, i.e. wrist or petrous bone, together with those to the most radiosensitive nearby organs, i.e. thyroid and eye lens, were measured and compared. Furthermore, image quality was compared for both imaging systems and different acquisition modes using a Catphan phantom. Results show that both systems guarantee adequate accuracy for diagnostic purposes for wrist and petrous bone examinations. Compared with the CT scanner, the XperCT system slightly reduces the dose to target organs and shortens the overall duration of the wrist examination. In addition, using the XperCT enables a reduction of the dose to the eye lens during head scans (skull base and ear examinations

Dark organizational theory

Institutions and organizations are defined by competing sociomaterial logics. Divergence between the 'visible' and the 'hidden' side of organization invites a critical work of 'unveiling'. But such critique does not enable understanding of how coherency is accomplished between different modes of reason. This is performed in emergent third spaces, where parasitic relations are enacted. During moments of 'crisis' or 'breach', contradictions are both acknowledged and given concrescence. Management comes into being in the anticipation of its breaking. Four accounts of this process are offered – a discussion of a remark from Michel Serres's The Parasite, a description of China Miélville's novel The City and The City, stories from fieldwork in medium-secure forensic psychiatric units, and set of conceptual propositions. Together they perform a descriptive practice called 'dark organization theory' which analyses the functional aspects of divergence and breaking in management and organizational practices

Walking with light and the discontinuous experience of urban change

The information, practices and views in this article are those of the author and do not necessarily reflect the opinion of the Royal Geographical Society (with IBG). © 2020 The Authors. Transactions of the Institute of British Geographers published by John Wiley & Sons Ltd on behalf of Royal Geographical Society (with The Institute of British Geographers). This paper is concerned with the affective power of light, darkness, and illumination and their role in exposing and obscuring processes of rapid urban change. Little academic attention has focused on how lighting informs multiple, overlapping, and intersecting urban temporalities and mediates our experience of an ever-changing city. This paper foregrounds a walk through the illuminated city at night as an epistemic opportunity to develop an embodied account of material and temporal change in ways that disrupt the aesthetic organisation of the sensible world at night. By detailing the discontinuous experience of walking through differently lit spaces, the paper develops novel ways of conceptualising the experience of urban change that unsettle common understandings of subjectivity, temporality, and the city. The paper draws on a single night's walk from Canning Town to Canary Wharf in east London – an area that has recently undergone rapid change, including the erection of enclaves of high-rise development. By accentuating the shared experiences of walking with light, we reveal the affective capacities of light and dark to conceal and expose wider material, embodied, and temporal urban changes but also how we might challenge the organisation of the nocturnal field of the sensible

Corridor Gothic

This article investigates the role of the corridor in Gothic fiction and horror film from the late eighteenth century to the present day. It seeks to establish this transitional space as a crucial locus, by tracing the rise of the corridor as a distinct mode of architectural distribution in domestic and public buildings since the eighteenth century. The article tracks pivotal appearances of the corridor in fiction and film, and in the final phase argues that it has become associated with a specific emotional tenor, less to do with amplified fear and horror and more with emotions of Angst or dread