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Showing results 1-50 of 129 << Previous 1 2 3    Next >>

2017
1 Karen, Pavel.
KJM 1120 Uorganisk kjemi, Laboratoriekurs høstsemester 2017. Blindern: Reprosentralen UiO 2017 60 p.
UiO Untitled
 
2 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
UiO Untitled
 
2016
3 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
UiO Untitled
 
4 Karen, Pavel; McArdle, Patrick; Takats, Josef.
Comprehensive definition of oxidation state (IUPAC Recommendations 2016). Pure and Applied Chemistry 2016 ;Volume 88. p. 831-839
UiO Untitled
 
2015
5 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
UiO Untitled
 
6 Karen, Pavel.
Oxidation state, a long-standing issue!. Angewandte Chemie International Edition 2015 ;Volume 54.(16) p. 4716-4726
UiO Untitled
 
2014
7 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
IFE UiO Untitled
 
8 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
UiO Untitled
 
9 Lindé, Johan Kaarle Mikael; Lindroos, F.; Karen, Pavel.
Iron orbital occupancies upon valence mixing of charge-ordered GdBaFeIIFeIIIO5. Hyperfine Interactions 2014 ;Volume 226.(1-3) p. 329-339
UiO Untitled
 
10 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
IFE UiO Untitled
 
2012
11 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. -
UiO Untitled
 
2010
12 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
UiO Untitled
 
2009
13 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
UiO Untitled
 
14 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
UiO Untitled
 
2008
15 Karen, Pavel.
KJM 1120 Uorganisk kjemi Laboratoriekurs hoestsemester 2008. Blindern: Reprosentralen 2008 61 p.
UiO Untitled
 
16 Karen, Pavel.
Most pressurized elements aren't simple cubic. Physics today 2008 ;Volume 61. p. 10-10
UiO Untitled
 
17 Karen, Pavel.
Valence mixing and ordering in RBaFe2O5+w. Solid State Chemistry Conference; 2008-03-10 - 2008-03-13
UiO Untitled
 
18 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
UiO Untitled
 
2007
19 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.
UiO Untitled
 
20 Karen, Pavel.
KJM1030 Uorganisk kjemi Laboratoriekurs, vårsemester 2007. : Reprosentralen UiO 2007 65 p.
UiO Untitled
 
21 Karen, Pavel.
Valence-mixed compounds (Fe3O4 and RBaFe2O5). Seminar, Theoretical Chemistry (Institute of Materials Chemistry); 2007-06-25 - 2007-06-27
UiO Untitled
 
22 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.
UiO Untitled
 
23 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
UiO Untitled
 
2006
24 Karen, Pavel.
KJM1030 Uorganisk kjemi, Laboratoriekurs, vårsemester 2006. Universitetet i Oslo: Reprosentralen 2006 76 p.
UiO Untitled
 
25 Karen, Pavel.
KJM1021 Kjemisk Struktur og Reaktivitet, Laboratoriekurs uorganisk del høstsemesteret 2006. Blindern: UiO Reprosentralen 2006 29 p.
UiO Untitled
 
26 Karen, Pavel.
Nonstoichiometry in oxides and its control. Journal of Solid State Chemistry 2006 ;Volume 179. p. 3167-3183
UiO Untitled
 
27 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.
UiO Untitled
 
28 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.
UiO Untitled
 
2005
29 Karen, Pavel.
Nonstoichiometry in oxides and its control. 5th SCOOTMO meeting; 2005-05-08 - 2005-05-09
UiO Untitled
 
30 Karen, Pavel.
Verwey transition in a perovskite-type structure. XX. Congress of the International Union of Crystallography; 2005-08-23 - 2005-08-31
UiO Untitled
 
31 Karen, Pavel.
What is Verwey transition and why it may matter. Inorganic Chemistry Seminar, OSU; 2005-10-28 - 2005-10-28
UiO Untitled
 
32 Karen, Pavel; Suard, Emmanuelle; Fauth, Francois.
Crystal Structure of Stoichiometric YBa2Fe3O8. Inorganic Chemistry 2005 ;Volume 44. p. 8170-8172
UiO Untitled
 
2004
33 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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34 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
UiO Untitled
 
35 Karen, Pavel; Benneche, Tore.
KJM1010 Kjemiske strukturer og prinsipper - Laboratoriekurs. Blindern, Oslo: Universitetet i Oslo, Reprosentralen 2004 81 p.
UiO Untitled
 
36 Karen, Pavel; Furuseth, Sigrid Breien.
KJM1010 Kjemiske strukturer og prinsipper - Tilleggskompendium: Konsepter i uorganisk reaksjonskjemi. Blindern, Oslo: Universitetet i Oslo, Reprosentralen 2004 24 p.
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37 Karen, Pavel; Suard, Emmanuelle; Fauth, Francois; Woodward, Patrick M..
YBaMnCoO5; neither valence mixed nor charge ordered. Solid State Sciences 2004 ;Volume 6.(11) p. 1195-1204
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38 Lindén, Johan; Karen, Pavel; Yamauchi, Hisao; Karppinen, Maarit.
Exploring the Verwey-Type Transition in GdBaFe2O5+w Using 57Fe Moessbauer Spectroscopy. Hyperfine Interactions 2004 ;Volume 156/157.(1-4) p. 321-325
UiO Untitled
 
39 Lindén, Johan; Karen, Pavel; Yamauchi, Hisao; Karppinen, Maarit.
Valence mixing, separation and ordering in double-cell perovskite GdBaFe2O5+w. Journal of Magnetism and Magnetic Materials 2004 ;Volume 272-276. Suppl. 1 p. E267-E268
UiO Untitled
 
40 Karen, Pavel.
Chemistry and thermodynamics of the twin charge-ordering transitions in RBaFe2O5+w series. Journal of Solid State Chemistry 2004 ;Volume 177. p. 281-292
UiO Untitled
 
41 Moritomo, Y; Hanawa, M; Xu, S; Ishikawa, H; Ohishi, Y; Kato, K; Honma, T; Karen, Pavel; Karppinen, M; Yamauchi, H.
Pressure effects on the charge-ordering transition of BaYCo2O5.0. Physical Review B. Condensed Matter and Materials Physics 2004 ;Volume 69. p. art. no.-134118
UiO Untitled
 
42 Nakamura, J; Karppinen, M; Karen, Pavel; Linden, J; Yamauchi, H.
Isovalent-substitution effect on the Verwey-type transition in the A-site-ordered double perovskite (Ba,Sr)RFe2O5. Physical Review B. Condensed Matter and Materials Physics 2004 ;Volume 70. p. -
UiO Untitled
 
2003
43 Huang, Q. Z.; Karen, V. L.; Santoro, A.; Kjekshus, Arne; Lindén, Johan; Pietari, T.; Karen, Pavel.
Substitution of Co3+ in YBa2Fe3O8. Journal of Solid State Chemistry 2003 ;Volume 172. p. 73-80
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44 Karen, Pavel.
Effects of oxygen nonstoichiometry and of its distribution on Verwey-type transitions and structure of GdBaFe2O5+w. Journal of Solid State Chemistry 2003 ;Volume 170. p. 9-23
UiO Untitled
 
45 Karen, Pavel; Kjekshus, Arne; Huang, Q.; Karen, V. L.; Lynn, J. W.; Rosov, N.; Natali Sora, I.; Santoro, A..
Neutron powder diffraction study of nuclear and magnetic structures of oxidized and reduced YBa2Fe3O8+w. Journal of Solid State Chemistry 2003 ;Volume 174. p. 87-95
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46 Woodward, Patrick M.; Karen, Pavel.
Mixed valence in YBaFe2O5. Inorganic Chemistry 2003 ;Volume 42.(4) p. 1121-1129
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47 Woodward, Patrick M.; Suard, Emmanuelle; Karen, Pavel.
Structural tuning of charge, orbital, and spin ordering in double-cell perovskite series between NdBaFe2O5 and HoBaFe2O5. Journal of the American Chemical Society 2003 ;Volume 125. p. 8889-8899
UiO Untitled
 
2002
48 Karen, Pavel.
Charge ordering that only succeeds after nature's second attempt. 8th International Workshop on Chemical Designing and Processing of High Tc Superconductors and Related Materials; 2002-11-08
UiO Untitled
 
49 Karen, Pavel.
KJ 102 Uorganisk kjemi, Laboratoriekurs, høstsemester 2002. : Kjemisk institutt 2002 109 p.
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50 Karen, Pavel; Woodward, Patrick M.; Lindén, Johan.
Charge ordering that only succeeds after nature's second attempt. XIX Congress and General Assembly of the International Union of Crystallography; 2002-08-06
UiO Untitled
 
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