348,193 Hits in 3.0 sec

Pair weakening in mixed rare-earth nickel borocarbides (R,R')Ni2B2C [article]

J. Freudenberger, K.-H. Mueller, G. Fuchs, M. Wolf, K. Nenkov, L. Schultz
2008 arXiv   pre-print
Depending on the selection of the rare earth elements R and R' this disorder induced deterioration of superconductivity is combined with magnetic pair breaking of Abrikosov-Gorkov type or pair breaking  ...  In this study pseudoquaternary rare-earth nickel borocarbide superconductors RxR'1-xNi2B2C have been investigated predominantly in the diluted limit x << 1 or (1 x) << 1.  ...  In rare-earth nickel borocarbides magnetic moments only results from the 4f electrons of the rare-earth elements whereas the Nickel does not contribute to localized or itinerant magnetic moments in these  ... 
arXiv:0811.1694v1 fatcat:5bjk27x4hvaytm3a6hpewarf64

Titrirmethode f�r Kupfer und Nickel und f�r Kupfer und Zink

C. K�nzel
1863 Analytical and Bioanalytical Chemistry  
Zur Feststellung der SchwefelnatriumlSsung fi~r Nickel wird eine bekannte MeRge desselben in Sgure gelSst, Ammoniak im Uebersehuss hinzugefiigt, ,erd~innt und darauf soviel der Sehwefelnatrium!  ...  Gehalt an Nickel erkennen.  ... 
doi:10.1007/bf01430259 fatcat:pmk7k56oqnfutehpcnhwgmlzpa


Jin-Cai Wu, Ning Tang, Kai-Bei Yu
2003 Acta Crystallographica Section E  
Key indicators Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.006 A Ê R factor = 0.043 wR factor = 0.100  ...  E59, m977-m979 [] {N,N′-Bis[3-methoxymethyl-5-methylsalicylidene]-(R,R)-1,2-diphenylenedi-amino}nickel(II) Jin-Cai Wu, Ning Tang and Kai-Bei Yu 6,6′-bis(methoxymethyl  ...  The weighted R-factor wR and goodness of fit S are based on F 2 , conventional R-factors R are based on F, with F set to zero for negative F 2 .  ... 
doi:10.1107/s1600536803021949 fatcat:lmvvgyavlvbctmwi4rln7kqkxu

Crystal Structure of the Dinuclear (R,R)-tartrato Nickel(II) Complex: [Ni2((R,R)-C4H4O6)2(H2O)4]2·10H2O

Fangfang JIAN, Qing YU, Hailian XIAO, Pingping SUN
2005 Analytical Sciences X-ray Structure Analysis Online  
The structure consists of two independent nickel (R,R)tartrate units and ten water molecules.  ...  The dinuclear (R,R)-tartrate nickel(II) complex, [Ni2((R,R)-C4H4O6)2 (H2O)4]2·10H2O, has been synthesized and its crystal structure has been determined by single-crystal X-ray diffraction.  ...  Herein, we report the synthesis and crystal structure of the hydrated nickel(II) (R,R)-tartrate complex [Ni2((R,R)-C4H4O6)2 (H2O)4]2·10H2O ( Fig. 1 ).  ... 
doi:10.2116/analscix.21.x95 fatcat:kbjcjodsjzeb3e76wgkfj2by6e

Neue Trennungsmethoden f�r Kupfer, Zink, Kadmium, Nickel und Kobalt

A. Carnot
1918 Analytical and Bioanalytical Chemistry  
geue Trennungsmethoden f~r Kupfer, Zink, Kadmium, Nickel and Kobalt hat A. Carn ot ~) unter Benutzung der in vorstehendem Berieht besproehenen Bestimmungsmethoden ausge~rbeitet. 1. Kupfer und Zink.  ...  Nickel and Kobalt. Hierbei maeht der Verfasser yon der Eigensehaft des Nickels Gebraueh, dass dasselbe in verdtmnter L6sung .'  ... 
doi:10.1007/bf01443782 fatcat:nd6cqie6ovgudlsugiwev5ht3e

Die Legierungen: Nickel-Zinn, Nickel-Blei, Nickel-Thallium, Nickel-Wismut, Nickel-Chrom, Nickel-Magnesium, Nickel-Zink und Nickel-Cadmium

G. Voss
1908 Zeitschrift f�r anorganische Chemie  
Jeschwindigkeit der Ab-k⟨, in einem grokan Konzentrationabereich wesentlich versohiedone S t m k h m erhdten. 3 e i Gelegenheit van Molekulargewichtsbeatimmungen an Metallen bestimmten H~~Y O O I I und NEVIIZE~ h r  ...  Dl6 Legferungen : Nickel-Zinn, Nickel-Blei, Nlckel-Thallium, Nickel-Wismut, Nickel-Chrom, Nickel-Magnesium, Nickel-Zink und Nickel-Cadmium. (-3, voss. Von Mit 8 Figuren im Text und 6 Tdeln.  ...  Die Nickel-Bleilsgiemngen, h e r Nickel-Bleilegierungen finden sich in der Literatur gar keine Angden, daher scbien es von Iuteresse, auch das Verhalten dieeer beiden Metalle zneinander kennen zu lernen  ... 
doi:10.1002/zaac.19080570103 fatcat:ds5vuc7c6nbvzgu4z4to3shbiq

The Effect of 'R' Group in Bis (N-R, Salim) Nickel (II) on the Dehalogenation of Chloroform

1980 Zenodo  
by the ligand substitution reaction system, consisting of bis (N-R, salim) nickel (II) (with R=H, CH3 C2H5, n-C3117, n-C4H2, s-C4H9,t-C4H9) and N,N,N',N'-tetramethyl­ethylenediamine has been carried out  ...  The deviation observed from this relation (R=H) has been attributed to the geometrical factors.  ...  R. Kuodalkar for her help during a part of the work .  ... 
doi:10.5281/zenodo.6361808 fatcat:72ufzinnxjcydpcjogs6wswzay

Electronic structure and magnetism in infinite-layer nickelates RNiO_2 (R= La-Lu) [article]

Jesse Kapeghian, Antia S. Botana
2020 arXiv   pre-print
Using first-principles calculations, we analyze the evolution of the electronic structure and magnetic properties of infinite-layer nickelates RNiO_2 (R= rare-earth) as R changes across the lanthanide  ...  An antiferromagnetic ground state is obtained for all RNiO_2 (R=La-Lu).  ...  In essence, all the changes in the electronic structure of RNiO 2 nickelates linked to a change in R (namely the bandwidth, size of the R-d pockets and charge transfer energy), can be mimicked by a simple  ... 
arXiv:2007.15087v1 fatcat:j7peggthsbgvnebev44itre6hy

R-curve Evaluation of Copper and Nickel Single Crystals Using Atomistic Simulations

Xiao Zhuo, Jang Kim, Hyeon Beom
2018 Crystals  
It should be noted that the Gc is lower in comparison to R. To explain the reason behind this deviation between the Gc and R, one must recall their physical meanings.  ...  Figure 8 . 8 (a) R-curve of the Cu nanoplate with a crack length of 25c. (b) R-curve of the Cu nanoplate with a crack length of 25c. Δc is the amount of crack growth.  ... 
doi:10.3390/cryst8120441 fatcat:msdshwowrjhljnb3pv6xczdwma

Eine indirekte titrimetrische Bestimmungsmethode f�r Chrom, Kupfer, Nickel, Kobalt, Zink und Blei

A. Bacovescu, E. Vlahuta
1911 Analytical and Bioanalytical Chemistry  
~,r.  ...  Eine indirekte titrimetrische Bestimmungsmethode fiir Chrom, Kupfer, Nickel, Kobalt, Zink und Blsi ist yon A. Baeoveseu und E. Ylahuta ~) vorgesehlagen worden.  ... 
doi:10.1007/bf01371212 fatcat:4ahbhznkingkrnwrgdinyfbgzm

Structural and physical properties of trilayer nickelates R_4Ni_3O_10 (R = La, Pr and Nd) [article]

Dibyata Rout, Sanchayeta Ranajit Mudi, Marco Hoffmann, Sven Spachmann, Rüdiger Klingeler, Surjeet Singh
2020 arXiv   pre-print
We investigate the low temperature structural and physical properties of the trilayer nickelates R4Ni3O10 (R = La, Pr and Nd) using resistivity, thermopower, thermal conductivity, specific heat, high-resolution  ...  The strongly suppressed magnetic long-range ordering in both R = Pr and Nd suggests the presence of strong magnetic frustration in these compounds.  ...  SUMMARY & CONCLUSIONS We investigated the trilayered nickelates R 4 Ni 3 O 10 (R = La, Pr and Nd) that are n = 3 members of the RP series.  ... 
arXiv:2007.00498v2 fatcat:2fax66ic5vfyhdulerz3l5cii4

Book review: Stoeckmann M., Biedermann R., Nickel H. & Niedringhaus R. 2013: The Nymphs of the Planthoppers and Leafhoppers of Germany

2014 European Journal of Entomology  
doi:10.14411/eje.2015.027 fatcat:tohd3rbeabh3thlv4sbg72axgy

Crystal structure of aqua(benzoylacetonato)(R,R-dibenzylstilbene-diamine)( nitrato)nickel(II) ethanol disolvate, Ni(H2O)(C10H10O2)(C28H28N2)(NO3) · 1.9C2H5OH

Keiko Miyamoto, Tomoko Yajima, Ernst Horn, Yutaka Fukuda
2007 Zeitschrift für Kristallographie - New Crystal Structures  
The atomic arrangement about C11 and C12 reflects the R , R configuration of dibenzylstilbene of the overall absolute molecularstructure.  ...  Finally, the oxygen of water molecule locates at the distance of 2.057(5)Åfrom the nickel.  ... 
doi:10.1524/ncrs.2007.0102 fatcat:aychl7a4vfaappmnbkyao2riga

Activities of Raney Nickel Catalysts. IX. The Measure m ent of the Size of Nickel Crystals by Powder X-R ay Analysis

1961 Nippon kagaku zassi  
ー - ー ー 報 金 合 R R R R R R R R R ー ー ー t ㈹ " " " " " ㈹ ㈹ ㈹ ㈹ ㈹ ㈹ 器 ㈹ ㈹ ㈹ ㈹ ㈹ " " " " " ㈹ ㈹ ㈹ 器 " " " ㈹ " ㈹ " " ㈹ " 面 " " ㈹ ㈹ ㈹ ㈹ ㈹ " " ㈹ ㈹ ㈹ R R R R R R 澱 獄 9 ︒ 5 の 影 響 が展 開 時 間 よ り大 きい ため か,上 述 の よ うな  ...  Cに おい て展 開 時 間5-180分 間 に,R(50)で はい 。,ず れ も30Aと な って,ほ とん ど結 晶粒子 の 成長 は 認 め られ な いが,R(30)に お い て は42-47Aと な り, ま た100。C,180分 間 にR(m)で は62Aと な る に過 ぎない が,R(30)で は82Aと い ち じる し く 大 き くな る。  ... 
doi:10.1246/nikkashi1948.82.2_135 fatcat:5rihl4xprbaehllnsrwr4jatxi

Theory of Nickel and Nickel-Hydrogen Complexes in Silicon

R. Jones, S. Öberg, J. Goss, P. R. Briddon, A. Resende
1995 Physical Review Letters  
For example, r 1 2 1 + r 2 2 2 terms where r k and k are the changes in the equilibrium Si k -H k lengths and angles respectively.  ...  We report here local density functional spin-polarized calculations on substitutional nickel, Ni s , and Ni-H 2 complexes using large (up to 133 atoms) H-terminated clusters.  ... 
doi:10.1103/physrevlett.75.2734 pmid:10059391 fatcat:ajjymognufhndai7yelxrvjluy
« Previous Showing results 1 — 15 out of 348,193 results