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- Aad, G., et al.
(författare)
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The ATLAS Experiment at the CERN Large Hadron Collider
- 2008
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Ingår i: Journal of Instrumentation. - 1748-0221. ; 3:S08003
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Forskningsöversikt (refereegranskat)abstract
- The ATLAS detector as installed in its experimental cavern at point 1 at CERN is described in this paper. A brief overview of the expected performance of the detector when the Large Hadron Collider begins operation is also presented.
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- Engström, Maria, 1966-
(författare)
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A Caregiver Perspective on Incorporating IT Support into Dementia Care
- 2006
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Aim: The overall aim of the present thesis was to describe and evaluate IT support in dementia care from the perspectives of staff and relatives. More specifically, it was to examine staff members’ satisfaction with work, life satisfaction and sense of coherence before and after increased IT support, to describe staff members’ opinions and perceptions of IT support during the process of implementation, to describe relatives’ opinions of IT support and to compare relatives’ perceptions of their irritations with care and life satisfaction before and after increased IT support. In addition, three questionnaires were further developed and tested among staff working in elderly care, and then used in the staff evaluation. Methods: A quasi-experimental design with baseline assessments and follow-ups and experimental and control groups was used in two studies to investigate the outcomes of IT support. A descriptive design was used to study staff views on IT support, and a correlative design was used in the methodological study. Participants were 33 staff members and 22 relatives in the evaluation, 14 staff members in the descriptive study and 299 staff members in the methodological study. Data collection methods were questionnaires and group interviews. The IT support consisted of passive passage alarms, fall detectors, sensor-activated night-time illumination of the lavatory, movement detectors, email communication, an Internet website and additional computers. Findings and conclusions: Staff job satisfaction and perceived quality of care increased in the experimental group. The relatives were generally positive about the IT support, and the experimental group showed a decrease in practical/logistical irritations. Staff described ‘moving from fear of losing control to perceived increase in control and security’ and ‘constant struggling with insufficient/deficient systems’. Conclusions are that IT support can be a resource in dementia care as perceived by caregivers if IT support is incorporated into the care system.
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- Gottlob, H. D. B., et al.
(författare)
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Gd silicate : A high-k dielectric compatible with high temperature annealing
- 2009
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Ingår i: Journal of Vacuum Science & Technology B. - : American Vacuum Society. - 1071-1023 .- 1520-8567 .- 2166-2754 .- 2166-2746. ; 27:1, s. 249-252
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Tidskriftsartikel (refereegranskat)abstract
- The authors report on the investigation of amorphous Gd-based silicates as high-k dielectrics. Two different stacks of amorphous gadolinium oxide (Gd(2)O(3)) and silicon oxide (SiO(2)) on silicon substrates are compared after annealing at temperatures up to 1000 degrees C. Subsequently formed metal oxide semiconductor capacitors show a significant reduction in the capacitance equivalent thicknesses after annealing. Transmission electron microscopy, medium energy ion scattering, and x-ray diffraction analysis reveal distinct structural changes such as consumption of the SiO(2) layer and formation of amorphous Gd silicate. The controlled formation of Gd silicates in this work indicates a route toward high-k dielectrics compatible with conventional, gate first complementary metal-oxide semiconductor integration schemes.
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| 8. |
- Gottlob, H. D. B., et al.
(författare)
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Scaling potential and MOSFET integration of thermally stable Gd silicate dielectrics
- 2009
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Ingår i: Microelectronic Engineering. - : Elsevier BV. - 0167-9317 .- 1873-5568. ; 86:7-9, s. 1642-1645
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Tidskriftsartikel (refereegranskat)abstract
- We investigate the potential of gadolinium silicate (GdSiO) as a thermally stable high-k gate dielectric in a gate first integration scheme. There silicon diffuses into gadolinium oxide (Gd2O3) from a silicon oxide (SiO2) interlayer specifically prepared for this purpose. We report on the scaling potential based on detailed material analysis. Gate leakage current densities and EOT values are compatible with an ITRS requirement for low stand by power (LSTP). The applicability of this GdSiO process is demonstrated by fully functional silicon on insulator (SOI) metal oxide semiconductor field effect transistors (MOSFETs). (C) 2009 Elsevier B.V. All rights reserved.
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| 10. |
- Ingri, Johan, et al.
(författare)
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Fractionation of iron isotopes during estuarine mixing in Ob, Yenisey and Lena freshwater plumes
- 2009
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Ingår i: Geochimica et Cosmochimica Acta. - 0016-7037 .- 1872-9533. ; 73:13, Suppl. S, s. A569-
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Iron isotopes were measured in suspended matter (>0.2 µm) in the Ob, Yenisey and Lena River freshwater plumes during the International Siberian Shelf Study 2008 (ISSS-08). The δ56Fe value was around zero within the Lena River and close to the river mouth, but changed to more negative values in the outer parts of the plume. In both the Ob and Yenisey plumes suspended matter in the surface water had clearly negative values whereas samples close to the bottom showed values close to zero.It has previously been suggested that total Fe in river suspended matter (>0.2µm) in boreal regions is roughly a mixture of three phases, detrital particles (δ56Fe around zero), oxyhydroxide particles (δ56Fe positive) and C-Fe particles (δ56Fe negative). We suggest that the δ56Fe pattern observed in this study is the result of relatively rapid removal of detrital particles and Fe-oxyhydroxides, leaving a suspended fraction with negative values in the surface water in the outer parts of the freshwater plumes. Hence, during estuarine mixing of suspended particles heavy iron isotopes are deposited close to the river mouth, whereas light isotopes are exported to open ocean water.
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