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| 2. |
- Ahuja, R., et al.
(författare)
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Electronic structure of Ti3SiC2
- 2000
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 76:16, s. 2226-2228
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Tidskriftsartikel (refereegranskat)
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| 5. |
- Andersson, Malte, 1941, et al.
(författare)
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”Minskande befolkning är inte problemet”
- 2020
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Ingår i: Dagens Nyheter. ; :1 augusti, DN-debatt
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- Nätverket Population Matters Sweden: En uppmärksammad studie i The Lancet pekar mot en lägre befolkningsökning i världen än tidigare prognoser. Men en miljard människor till är fortfarande långt över vad jorden klarar. Befolkningstrenden måste snarare vända neråt, och det kräver åtgärder för att stärka kvinnors rättigheter världen över.
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| 6. |
- Andersson, Per H., et al.
(författare)
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Theoretical study of structural and electronic properties of VHx
- 1998
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Ingår i: Physical Review B Condensed Matter. - 0163-1829 .- 1095-3795. ; 58:9, s. 5230-5235
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Tidskriftsartikel (refereegranskat)abstract
- We have calculated the change in the electronic structure and the distortion of the lattice in vanadium upon hydrogenation from first principles using the full-potential linear muffin-tin-orbital method and the linear augmented plane-wave method in the local-density approximation. The calculated hydrogen induced volume expansions agree with experiment and the change in the c/a ratio is also in good agreement with observations where such are available for single phase VHx. Among several changes in the electronic structure, we note a hybridization of the d band of vanadium with the hydrogen 1s band. We also observe an antiferromagnetically ordered moment at V/Vexp=1.08. The possibility of producing magnetic V by means of hydrogenation in combination with epitaxial growth is suggested.
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| 7. |
- Belonoshko, Anatoly B., et al.
(författare)
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Quasi ab initio molecular dynamic study of Cu melting
- 2000
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 61:6, s. 3838-3844
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Tidskriftsartikel (refereegranskat)abstract
- We have investigated the melting of Cu theoretically by means of a molecular dynamic method employing the Sutton-Chen model for the interatomic interaction. This interaction has been fitted to reproduce results from first-principles self-consistent total-energy calculations within the local-density approximation using the full-potential linear-muffin-tin-orbital method for the bcc, fee, hcp, and liquid configurations. No experimental data were used to tune the potential. A large number of properties including equation of state, melting temperature, high-pressure melting curve, change of volume and entropy at melting, liquid structure, diffusion coefficient in liquid, and vacancy formation energy are all in good agreement with experimental data. Inclusion of the full potential energy of a liquid configuration in the fitting procedure is critical for obtaining good agreement with experiment. Different ways to calculate the melting transition are shown to produce very different results. The use of a large number of particles in combination with the solid-liquid interface as an initial configuration in the simulation is essential in order to obtain the correct melting temperatures.
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| 9. |
- Bomström Aho, Erika
(författare)
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Villkor för lärande : Utbildning på språkintroduktionsprogrammet ur lärar- och elevperspektiv
- 2023
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Using the third space theory, the overall aim of this thesis is to study and problematize conditions for learning which are provided for newly arrived students in the Language Introduction Program in upper secondary school. By highlighting factors that affect these students' education in four sub-studies, the study contributes in-depth knowledge about the Language Introduction Program. The program is one of five introductory programs in Swedish upper secondary school that admits newly arrived students from the ages of 16 to 19. The thesis adopts an ethnographically inspired approach and consists of four qualitative sub-studies that highlight factors and issues that affect the education of students in the program. The data consist of observations of lessons in five different subjects, interviews with teachers and students, and assessment material that looks at the prior knowledge and experiences of students. The theoretical framework of the thesis is Bhabha’s third space theory, which is employed for the analysis of the results and conclusions.The findings indicate that knowledge in Swedish and knowledge learned in Swedish schools is highly valued by the teachers. What teachers and students say demonstrates that knowledge of Swedish is perceived as key to employment and a place within society. The results also show that some school knowledge gained earlier by students, in addition to knowledge acquired in Swedish schools, is more highly valued and made visible in a different way than the knowledge gained in other ways. The findings also indicate that what teachers say about knowledge in relation to Language Introduction students positions the students as students not knowing Swedish, or as some of the participating teachers put it, students who do not "have the language", indicating specifically Swedish. The students themselves talk about how they lack Swedish and how they must learn Swedish, which corresponds then with what the teachers say. Furthermore, the results show that some teachers use the term "students without background" to refer to students with little or no experience of formal schooling. This makes knowledge gained through formal schooling visible, and knowledge gained in other ways by students "without background" invisible. A conclusion that can be drawn from this thesis is that the students at Language Introduction are stereotyped as students with different knowledge than expected, that the education on the program is not based on the students' conditions and that their opportunities for learning are therefore not equivalent to those of students in other programs in Swedish schools.
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