A minor Ni-Cu-deposit at Telkkälä, SE-Finland
نویسندگان
چکیده
منابع مشابه
Enthalpies of Formation of (Cu,Ni)3Sn, (Cu,Ni)6Sn5-HT and (Ni,Cu)3Sn2-HT
Standard enthalpies of formation of ternary phases in the Cu-Ni-Sn system were determined along sections at 25, 41 and 45.5 at.% Sn applying tin solution drop calorimetry. Generally, the interaction of Ni with Sn is much stronger than that of Cu with Sn. Along all sections the enthalpy of formation changes almost linearly with the mutual substitution of Cu and Ni within the respective homogenei...
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Magnetic hyperfine fields for Se on Ni(111) and Ni(001) surfaces were measured with the perturbed angular correlation technique. The results are jBhfj 2.7s3d T for Se on Ni(111) and jBhfj 0.8s3d T for Se on Ni(001) at 90 K. These values of magnetic hyperfine fields of an adatom deviate drastically from the known bulk value of Bhf 15 T. The surface site positions of the probe atoms are dis...
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متن کاملNi-Cu ion exchange observed for Ni(II)-porphyrins on Cu(111).
A Ni-Cu ion exchange has been observed for (5,15-dibromo-10,20-diphenylporphyrinato)nickel(II) (NiDBrDPP) and (5,10,15,20-tetrakis(4-bromophenyl)porphyrinato)nickel(II) (NiTBrPP) on Cu(111). The ion exchange proceeds at a faster rate for the NiDBrDPP/Cu(111) system compared to NiTBrPP/Cu(111). This is explained in terms of the macrocycle-substrate distance and the distortions that occur when th...
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ژورنال
عنوان ژورنال: Bulletin of the Geological Society of Finland
سال: 1975
ISSN: 1799-4632,0367-5211
DOI: 10.17741/bgsf/47.1-2.007