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Publisher Correction: Direct imaging of the electron liquid at oxide interfaces
Song, Kyung,Ryu, Sangwoo,Lee, Hyungwoo,Paudel, Tula R.,Koch, Christoph T.,Park, Bumsu,Lee, Ja Kyung,Choi, Si-Young,Kim, Young-Min,Kim, Jong Chan,Jeong, Hu Young,Rzchowski, Mark S.,Tsymbal, Evgeny Y.,E Nature Publishing Group UK 2018 Nature nanotechnology Vol.13 No.7
In the version of this Letter originally published, in two instances in Fig. 1 the layers in the cross-sectional view of the (001) interface were incorrectly labelled: in Fig. 1b SrO<SUP>+</SUP> should have read SrO<SUP>0</SUP>; in Fig. 1c LaO<SUP>+</SUP>, AlO<SUB>2</SUB><SUP>–</SUP>, LaO<SUP>+</SUP>, TiO<SUB>2</SUB><SUP>0</SUP>, SrO<SUP>+</SUP>, TiO<SUB>2</SUB><SUP>0</SUP> should have read LaO<SUB>3</SUB><SUP>3–</SUP>, Al<SUP>3+</SUP>, LaO<SUB>3</SUB><SUP>3–</SUP>, Ti<SUP>4+</SUP>, SrO<SUB>3</SUB><SUP>4–</SUP>, Ti<SUP>4+</SUP>. In Fig. 3c the upper-right equation read –σ<SUB>s</SUB> = –e/2a<SUP>2</SUP> but should have read –σ<SUB>s</SUB> = e/2a<SUP>2</SUP> and in Fig. 3f the lower-right equation read –σ<SUB>s</SUB> = –e/2√3a<SUP>2</SUP> but should have read σ<SUB>s</SUB> = –e/2√3a<SUP>2</SUP>. These errors have now been corrected in the online version of the Letter.
Transition Metal Ion-Chelating Ordered Mesoporous Carbons as Noble Metal-Free Fuel Cell Catalysts
Dombrovskis, Johanna K.,Jeong, Hu Y.,Fossum, Kjell,Terasaki, Osamu,Palmqvist, Anders E. C. American Chemical Society 2013 Chemistry of materials Vol.25 No.6
<P>A new concept for noble metal-free polymer electrolyte membrane fuel cell catalysts has been developed. The catalysts consist of chelated transition metal ions incorporated in a nitrogen-functionalized ordered mesoporous carbon matrix, which is evidenced by a combination of X-ray absorption fine structure analysis and high-resolution transmission electron microscopy. The ordered mesoporous carbon matrix of the catalyst offers an exceptionally high specific surface area and allows conceptually for a high degree of tuning, enabling controlled variability of, e.g., pore size and curvature and thickness of the pore walls of the catalysts. Single cell fuel cell tests of membrane electrode assemblies prepared with a cathode made of iron- or cobalt-based versions of the catalyst show high power densities, reaching up to one-third of a commercial Pt/C catalyst at 0.6 V.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/cmatex/2013/cmatex.2013.25.issue-6/cm303357p/production/images/medium/cm-2012-03357p_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/cm303357p'>ACS Electronic Supporting Info</A></P>
Multiferroic tunnel junctions and ferroelectric control of magnetic state at interface (invited)
Yin, Y. W.,Raju, M.,Hu, W. J.,Burton, J. D.,Kim, Y.-M.,Borisevich, A. Y.,Pennycook, S. J.,Yang, S. M.,Noh, T. W.,Gruverman, A.,Li, X. G.,Zhang, Z. D.,Tsymbal, E. Y.,Li, Qi American Institute of Physics 2015 Journal of Applied Physics Vol.117 No.17
Xie, F,Hu, Y,Turvey, SE,Magee, LA,Brunham, RM,Choi, K-C,Krajden, M,Leung, PCK,Money, DM,Patrick, DM,Thomas, E,von Dadelszen, P Wiley (Blackwell Publishing) 2010 BJOG Vol.117 No.1
<P>Pre-eclampsia involves a maternal inflammatory response that differs from both normal pregnancy and normotensive intrauterine growth restriction (IUGR). Our objective was to examine neutrophil Toll-like receptor (TLR), cryopyrin, nuclear factor-kappaB (NF-kappaB) subunit and interleukin-1beta (IL-1beta), and inflammatory cytokine profiles in women with pre-eclampsia or normotensive IUGR, as well as in normal pregnancy and non-pregnancy controls.</P>
Electronic and spin states ofSrRuO3thin films: An x-ray magnetic circular dichroism study
Agrestini, S.,Hu, Z.,Kuo, C.-Y.,Haverkort, M. W.,Ko, K.-T.,Hollmann, N.,Liu, Q.,Pellegrin, E.,Valvidares, M.,Herrero-Martin, J.,Gargiani, P.,Gegenwart, P.,Schneider, M.,Esser, S.,Tanaka, A.,Komarek, A American Physical Society 2015 Physical review. B, Condensed matter and materials Vol.91 No.7
Guo, J.,Hu, X.,Liu, J.,Feng, T.,Yoon, E.Y.,Kim, H.S. PAS 2015 ARCHIVES OF METALLURGY Vol.60 No.2
<B>Abstract</B><P>Amorphous alloys or metallic glasses have attracted significant interest in the materials science and engineering communities due to their unique physical, mechanical, and chemical properties. The viscous flow of amorphous alloys exhibiting high strain rate sensitivity and homogeneous deformation is considered to be an important characteristic in thermoplastic forming processes performed within the supercooled liquid region because it allows superplastic-like deformation behavior. Here, the correlation between the superheated liquid fragility, and the onset temperature of crystallization for Al-based alloys, is investigated. The activation energy for viscous flow of the liquid is also investigated. There is a negative correlation between the parameter of superheated liquid fragility and the onset temperature of crystallization in the same Al-based alloy system. The activation energy decreases as the onset temperature of crystallization increases. This indicates that the stability of a superheated liquid can affect the thermal stability of the amorphous alloy. It also means that a liquid with a large superheated liquid fragility, when rapidly solidified, forms an amorphous alloy with a low thermal stability.</P>
Electronically highly cubic conditions for Ru in α−RuCl3
Agrestini, S.,Kuo, C.-Y.,Ko, K.-T.,Hu, Z.,Kasinathan, D.,Vasili, H. B.,Herrero-Martin, J.,Valvidares, S. M.,Pellegrin, E.,Jang, L.-Y.,Henschel, A.,Schmidt, M.,Tanaka, A.,Tjeng, L. H. American Physical Society 2017 Physical Review B Vol.96 No.16
K. Karthikeyan,남경완,E. Y. Hu,X. Q. Yang,Y. S. Lee 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.7
Layered Li1.2(Fe0.16Mn0.32Ni0.32)O2 was prepared by the mixed hydroxide method at various temperatures. Xray diffraction (XRD) pattern shows that this material has a α-NaFeO2 layered structure with R3m space group and that cation mixing is reduced with increasing synthesis temperature. Scanning electron microscopy (SEM) reveals that nano-sized Li1.2(Fe0.16Mn0.32Ni0.32)O2 powder has uniform particle size distribution. X-ray absorption near edge structure (XANES) analysis is used to study the local electronic structure changes around the Mn, Fe, and Ni atoms in this material. The sample prepared at 700 °C delivers the highest discharge capacity of 207 mAhg−1 between 2-4.5 V at 0.1 mAcm−2 with good capacity retention of 80% after 20 cycles.