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Showing results 1-50 of 145 << Previous 1 2 3    Next >>

2024
1 Karen, Pavel.
Synthesis ranges for YBaFe<inf>4</inf>O<inf>7</inf> and its topotactic oxidation in ambient air to YBaFe<sup>III</sup> <inf>4</inf>O<inf>8.5</inf>. Journal of Solid State Chemistry 2024 ;Volume 332.
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2023
2 Karen, Pavel.
Crystal structure and oxygen nonstoichiometry of ErBa2Fe3O8. Journal of Solid State Chemistry 2023 ;Volume 322. p. -
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3 Karen, Pavel.
Heuristic algorithms for understanding chemistry via simple quantities. Pure and Applied Chemistry 2023 ;Volume 95.(6) p. 683-700
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4 Karen, Pavel.
LaBa2Fe3O8 cubic perovskite; oxygen-nonstoichiometry defects and conductivity. Journal of Solid State Chemistry 2023 ;Volume 324.
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2022
5 Karen, Pavel.
Defect chemistry and oxygen nonstoichiometry of CeBaFe2O5.5. Journal of Solid State Chemistry 2022 ;Volume 307. p. -
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6 Karen, Pavel.
Structural changes and valence-mixing transition in EuBaCo2O5. Journal of Solid State Chemistry 2022 ;Volume 314.
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7 Karen, Pavel.
Thermal evolution of the EuBaCo2O5.5 crystal structure. Journal of Solid State Chemistry 2022 ;Volume 311. p. -
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8 Karen, Pavel.
Why is Mn charge ordered and AFM coupled in YBaMn2O5. Journal of Solid State Chemistry 2022 ;Volume 315. p. -
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2021
9 Karen, Pavel.
Oxygen nonstoichiometry in LnBaFe2O5+w across Ln = Nd, Sm, Gd. Journal of Solid State Chemistry 2021 ;Volume 301. p. -
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10 Karen, Pavel.
Synthesis and equilibrium oxygen nonstoichiometry of PrBaFe2O5+w. Journal of Solid State Chemistry 2021 ;Volume 299. p. 1-8
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11 Karen, Pavel.
The challenge to establish a definition. Chemistry International 2021 ;Volume 43.(3) p. 38-39
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12 Lindroos, F.; Slotte, J.M.K.; Lindén, J.; Chumakov, A.I.; Karen, Pavel.
Suppression of the nuclear forward scattering signal in GdBaFe2O5 and PrBaFe2O5. Physics Letters A 2021 ;Volume 416. p. -
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13 Woodward, Patrick M.; Karen, Pavel; Evans, John S. O.; Vogt, Thomas.
Solid State Materials Chemistry. Cambridge University Press 2021 (ISBN 9780521873253) 708 p.
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2017
14 Karen, Pavel.
KJM 1120 Uorganisk kjemi, Laboratoriekurs høstsemester 2017. Blindern: Reprosentralen UiO 2017 60 p.
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15 Linden, J; Lindroos, F.; Karen, Pavel.
Orbital occupancy evolution across spin- and charge-ordering transitions in YBaFe2O5. Journal of Solid State Chemistry 2017 ;Volume 252. p. 119-128
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2016
16 Görbitz, Carl Henrik; Karen, Pavel; Dusek, Michal; Petricek, Vaclav.
An exceptional series of phase transitions in hydrophobic amino acids with linear side chains. IUCrJ 2016 ;Volume 3. p. 341-353
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17 Karen, Pavel; McArdle, Patrick; Takats, Josef.
Comprehensive definition of oxidation state (IUPAC Recommendations 2016). Pure and Applied Chemistry 2016 ;Volume 88. p. 831-839
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2015
18 Gorbitz, Carl Henrik; Karen, Pavel.
Twin displacive phase transitions in amino acid quasiracemates. Journal of Physical Chemistry B 2015 ;Volume 119.(15) p. 4975-4984
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19 Karen, Pavel.
Oxidation state, a long-standing issue!. Angewandte Chemie International Edition 2015 ;Volume 54.(16) p. 4716-4726
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2014
20 Jantsky, Laurent; Okamoto, Hiroshi; Thomas, Michael; Karen, Pavel; Hauback, Bjørn; Rosseinsky, Matthew J; Fjellvåg, Helmer.
Complex Magnetic Behavior in the PrSr3(Fe1–xCox)3O10−δ n = 3 Ruddlesden–Popper-Type Solid Solution with High Valent Cobalt and Iron. Chemistry of Materials 2014 ;Volume 26.(2) p. 886-897
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21 Karen, Pavel; McArdle, Patrick; Takats, Josef.
Toward a comprehensive definition of oxidation state (IUPAC Technical Report). Pure and Applied Chemistry 2014 ;Volume 86.(6) p. 1017-1081
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22 Lindén, Johan; Lindroos, F.; Karen, Pavel.
Iron orbital occupancies upon valence mixing of charge-ordered GdBaFeIIFeIIIO5. Hyperfine Interactions 2014 ;Volume 226.(1-3) p. 329-339
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23 Olsen, Jørn Eirik; Karen, Pavel; Sørby, Magnus Helgerud; Hauback, Bjørn.
Effect of chloride substitution on the order-disorder transition in NaBH4 and (NaBD4)-B-11. Journal of Alloys and Compounds 2014 ;Volume 587. p. 374-379
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2012
24 Lindén, J.; Karen, Pavel.
Modeling hyperfine parameters observed from the charge-ordered to valence-mixed state of NdBaFe2O5. Journal of Physics: Condensed Matter 2012 ;Volume 24.(37) p. -
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2011
25 Karen, Pavel.
KJM1120 Uorganisk kjemi, Laboratoriekurs høstsemester 2011. Blindern: Reprosentralen UiO 2011 62 p.
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2010
26 Linden, J; Karen, Pavel.
NdBaFe2O5+w and steric effect of Nd on valence mixing and ordering of Fe. Journal of Solid State Chemistry 2010 ;Volume 183.(11) p. 2703-2713
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2009
27 Andersson, K. Kristoffer; Karen, Pavel.
Mössbauer Spectroscopy in the Nordic countries; University of Oslo. Mössbauer Effect Reference and Data Journal 2009 ;Volume 32.(1) p. 34-36
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28 Seibel, HA; Karen, Pavel; Wagner, TR; Woodward, PM.
Synthesis and characterization of color variants of nitrogen- and fluorine-substituted TiO2. Journal of Materials Chemistry 2009 ;Volume 19.(4) p. 471-477
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2008
29 Karen, Pavel.
KJM1120 Uorganisk kjemi, Laboratoriekurs, høstsemester 2008. Blindern: Reprosentralen UiO 2008 60 p.
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30 Karen, Pavel.
Most pressurized elements aren't simple cubic. Physics today 2008 ;Volume 61. p. 10-10
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31 Karen, Pavel.
Valence mixing and ordering in RBaFe2O5+w. Solid State Chemistry Conference; 2008-03-10 - 2008-03-13
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32 Woodward, PM; Goldberger, J; Stoltzfus, MW; Eng, HW; Ricciardo, RA; Santhosh, PN; Karen, Pavel; Moodenbaugh, AR.
Electronic, magnetic, and structural properties of Sr2MnRuO6 and LaSrMnRuO6 double perovskites. Journal of The American Ceramic Society 2008 ;Volume 91. p. 1796-1806
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2007
33 Chang, S; Karen, Pavel; Hehlen, MP; Trouw, FR; McQueeney, RJ.
Damping of antiferromagnetic spin waves by valence fluctuations in the double layer perovskite YBaFe2O5. Physical Review Letters 2007 ;Volume 99.
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34 Karen, Pavel.
KJM1030 Uorganisk kjemi Laboratoriekurs, vårsemester 2007. : Reprosentralen UiO 2007 65 p.
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35 Karen, Pavel.
Valence-mixed compounds (Fe3O4 and RBaFe2O5). Seminar, Theoretical Chemistry (Institute of Materials Chemistry); 2007-06-25 - 2007-06-27
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36 Karen, Pavel; Gustafsson, K; Linden, J.
EuBaFe2O5: Extent of charge ordering by Mossbauer spectroscopy and high-intensity high-resolution powder diffraction. Journal of Solid State Chemistry 2007 ;Volume 180.
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37 Karen, Pavel; Gustafsson, K; Linden, J.
EuBaFe2O5+w: Valence mixing and charge ordering are two separate cooperative phenomena. Journal of Solid State Chemistry 2007 ;Volume 180. p. 148-157
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2006
38 Karen, Pavel.
KJM1030 Uorganisk kjemi, Laboratoriekurs, vårsemester 2006. Universitetet i Oslo: Reprosentralen 2006 76 p.
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39 Karen, Pavel.
KJM1021 Kjemisk Struktur og Reaktivitet, Laboratoriekurs uorganisk del høstsemesteret 2006. Blindern: UiO Reprosentralen 2006 29 p.
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40 Karen, Pavel.
Nonstoichiometry in oxides and its control. Journal of Solid State Chemistry 2006 ;Volume 179. p. 3167-3183
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41 Karen, Pavel; Moodenbaugh, AR; Goldberger, J; Santhosh, PN; Woodward, PM.
Electronic, magnetic and structural properties of A(2)VMoO(6) perovskites (A = Ca, Sr). Journal of Solid State Chemistry 2006 ;Volume 179.
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42 Linden, J; Karen, Pavel; Nakamura, J; Karppinen, M; Yamauchi, H.
Transport and magnetotransport properties across the two-step Verwey transition in BaGdFe2O5+w. Physical Review B. Condensed Matter and Materials Physics 2006 ;Volume 73.
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2005
43 Karen, Pavel.
Nonstoichiometry in oxides and its control. 5th SCOOTMO meeting; 2005-05-08 - 2005-05-09
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44 Karen, Pavel.
Verwey transition in a perovskite-type structure. XX. Congress of the International Union of Crystallography; 2005-08-23 - 2005-08-31
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45 Karen, Pavel.
What is Verwey transition and why it may matter. Inorganic Chemistry Seminar, OSU; 2005-10-28 - 2005-10-28
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46 Karen, Pavel; Suard, Emmanuelle; Fauth, Francois.
Crystal Structure of Stoichiometric YBa2Fe3O8. Inorganic Chemistry 2005 ;Volume 44. p. 8170-8172
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47 Karen, Pavel.
KJM1030 Uorganisk kjemi, Laboratoriekurs, vårsemester 2005. Blindern: Reprosentralen UiO 2005 89 p.
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48 Karen, Pavel; Benneche, Tore.
KJM1010 Kjemiske strukturer og prinsipper, Laboratoriekurs, vårsemester 2005. Blindern: Reprosentralen UiO 2005 77 p.
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2004
49 Karen, Pavel.
Tuning the Verwey transition as an orbital ordering, ILL Annual Report 2003, p.24-5. Grenoble, Frankrike: Institute Laue--Langevin 2004 2 p.
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50 Karen, Pavel.
What RBaFe2O5+w tells us about Verwey transition and why it matters. 10th International Workshop on Chemical Designing and Processing of High-Tc Superconductors and Related Materials; 2004-11-21 - 2004-11-22
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