Zeitschrift fur Naturforschung B (Z NATURFORSCH B )
Zeitschrift für Naturforschung B (Chemical Sciences) is an international scientific journal which publishes original papers, microreviews, and letters from all areas of inorganic chemistry, solid state chemistry, coordination chemistry, molecular chemistry, and organic chemistry.
- Impact factor0.90Show impact factor historyHide impact factor history
- 5-year impact0.74
- Cited half-life0.00
- Immediacy index0.13
- Article influence0.16
- WebsiteZeitschrift für Naturforschung - B website
- Other titlesZeitschrift für Naturforschung., Zeitschrift für Naturforschung. B, A journal of chemical sciences, Journal of chemical sciences, Chemical sciences
- Material typePeriodical, Internet resource
- Document typeJournal / Magazine / Newspaper, Internet Resource
Publications in this journal
- Zeitschrift fur Naturforschung B 04/2014; 69b:466 – 480.
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ABSTRACT: Substitution effects on magnetism of shandite-type compounds have been studied by density functional theory. The decrease of the Fermi level in the novel half-metallic ferromagnet Sn2Co3S2 to higher maxima of the density of states was modeled for substitutions on the Co site by the 3d metals Fe, Mn and Cr due to a rigid band scheme. Spin-polarized energy hyper surfaces and densities of states are calculated for Sn2Co3S2, and experimentally not yet known Sn2Fe3S2, Sn2Mn3S2 and Sn2Cr3S2 with shandite-type structure. The stability of half-metallic ferromagnetic characteristics, Slater-Pauling behavior, and alternative metastable spin states are discussed.Zeitschrift fur Naturforschung B 01/2014; 69(1):55.
Article: The New Ternary Silicide ErCo3Si2Zeitschrift fur Naturforschung B 01/2014; 69:369-372.
- Zeitschrift fur Naturforschung B 01/2014; 69b:141.
- Zeitschrift fur Naturforschung B 07/2013; 68(b):931 – 938.
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ABSTRACT: The solid solutions Ce(Rh1-xRux)Sn were investigated by means of susceptibility measurements, specific heat, electrical resistivity, X-ray absorption spectroscopy (XAS), and 119Sn Mössbauer spectroscopy. Magnetic measurements as well as XAS data show a cerium valence change in dependence on the ruthenium content. Higher ruthenium content causes an increase from 3.22 to 3.45 at 300 K. Furthermore c and c-1 data indicate valence fluctuation for cerium as a function of temperature. For example, Ce(Rh0:8Ru0:2)Sn exhibits valence fluctuations between 3.42 and 3.32 in the temperature range of 10 to 300 K. This could be proven by using the interconfiguration fluctuation (ICF) model introduced by Sales and Wohlleben. Cerium valence change does not influence the tin atoms as proven by 119Sn Mössbauer spectroscopy, but it influences the electrical properties. Ce(Rh0:9Ru0:1)Sn behaves like a typical valence fluctuating compound, and higher ruthenium content causes an increase of the metallic behavior.Zeitschrift fur Naturforschung B 07/2013; 68b:960 – 970.
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ABSTRACT: Results of potential-dependent differential capacitance measurements on the interface between six different ionic liquids and the (111) surface of single-crystalline gold are presented. The measurements were done by means of broadband impedance spectroscopy in a frequency range from 10 mHz to 1 MHz. We discuss the influence of the IL cation, the IL anion and the cations’ alkyl chain length on the interfacial capacitance. Our results suggest that (i) there is no simple relationship between the cation size and the value of the differential capacitance, (ii) the general shape of the potentialdependent differential capacitance curve is more strongly influenced by the IL anion, and (iii) experimental differential capacitance curves do not exhibit a simple “camel-” or “bell-shaped” curvature as predicted by mean-field theories. Furthermore, the broadband measurements show that two capacitive processes can be distinguished, which take place on millisecond and second time scales, respectively. While a millisecond time scale is expected for double-layer charging governed by the bulk conductivity of the IL, the existence of a slow process points to additional barriers for charge transport at the interface. The capacitance contribution of the slow process is most pronounced for ILs based on the N-butyl-N-methyl-pyrrolidinium ([Pyr1;4]) cation. A comparison of capacitance data with in situ STM data from previous studies suggests that the slow process is connected to herringbone-type structures at the interface. While the herringbone superstructure of the Au(111) surface is well known in aqueous electrochemistry, a herringbone-type structure of adsorbed ions was described in a recent MD simulation paper by Federov and coworkers (K. Kirchner, T. Kirchner, V. Ivaniˇstˇsev, M. V. Fedorov, Electrochim. Acta 2013, in press: doi: 10.1016/j.electacta.2013.05.049).Zeitschrift fur Naturforschung B 06/2013; 68b:1143-1153.
- Zeitschrift fur Naturforschung B 05/2013; 32b:181.
- Zeitschrift fur Naturforschung B 04/2013; 68:1041-1048.
Article: The Crystal Structure of GdZn3Zeitschrift fur Naturforschung B 01/2013; 68:1265 – 1268.
Article: The solid solutions (Ce1-xLax)RuSn[show abstract] [hide abstract]
ABSTRACT: X-Ray-pure samples of the solid solutions (Ce1−xLax)RuSn were obtained up to x = 0.5. Powder diffraction data show the CeRuSn-type superstructure up to x ≈ 0.3 and the CeCoAl-type subcell for higher lanthanum contents. The structure of a single crystal with x = 0.5 was refined on the basis of single-crystal X-ray diffractometer data: CeCoAl type, C2/m, a = 1160.8(2), b = 477.6(1), c = 511.6(1) pm, β =102.97(2)°, wR = 0.0510, 444 F2 values, 20 variables. Magnetic investigations were performed for all samples up to a lanthanum content of x = 0.4. No cooperative phenomena could be observed, and all samples show Curie-Weiss behavior above a certain temperature. The cerium valence is about 3.32(2) for all samples of the solid solution. Hence, La3+ has to replace Ce3+as well as Ce4+ in a particular quantity. The electrical resistivity measurements confirm the suppression of the magnetic ordering and the structural transition upon replacement of cerium by lanthanum. 119Sn Mössbauer spectra of samples with x = 0.2 and 0.5 are indicative of single tin sites with isomer shifts of δ = 1.86(1) mm s−1 for x = 0.2 and δ = 1.88(1) mm s−1 for x = 0.5. Both signals are subject to significant quadrupole splitting, a consequence of the low site symmetry. Results of XANES measurements are perfectly in line with the cerium valences determined by susceptibility measurements and yield a constant value of 3.16(1) for all investigated compounds.Zeitschrift fur Naturforschung B 01/2013; 68:1279-1287.
Data provided are for informational purposes only. Although carefully collected, accuracy cannot be guaranteed. The impact factor represents a rough estimation of the journal's impact factor and does not reflect the actual current impact factor. Publisher conditions are provided by RoMEO. Differing provisions from the publisher's actual policy or licence agreement may be applicable.
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