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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Kotzyba, Gunter Ernet, Uta Eckert, Hellmut Mosel, Bernd D. Pöttgen, Rainer Müllmann, Ralf |
| Copyright Year | 1997 |
| Abstract | Magnetic susceptibility, 119 Sn and 151 Eu Mössbauer effect measurements are reported for the Zintl phase EuZnSn which crystallizes with the TiNiSi-type structure. The stannide shows Curie–Weiss behaviour above 40 K with an experimental magnetic moment of µ exp =7.88(5) µ B /Eu, close to that of the free Eu 2+ ion of µ eff =7.94 µ B . At 20.5(2) K a magnetic phase transition to the antiferromagnetic state is observed in the temperature dependence of the inverse susceptibility at a magnetic flux density of 0.01 T. Magnetization measurements at 5 K indicate metamagnetism with a saturation magnetic moment of 6.80(5) µ B /Eu and a critical field of 0.7(1) T. 151 Eu Mössbauer measurements show an isomer shift δ=-10.9 mm s -1 against EuF 3 , as is typically observed for divalent europium. While onset of magnetic ordering is evident at T 0 =26.5(5) K, full magnetic order is detected near 15 K. 119 Sn Mössbauer spectra show a large transferred magnetic field of 12.8 T at 4.2 K. The temperature dependence of this field is closely correlated with the internal magnetic field measured at the 151 Eu site (23.4 T at 4.2 K). |
| Starting Page | 255 |
| Ending Page | 257 |
| Page Count | 3 |
| File Format | |
| ISSN | 09599428 |
| Volume Number | 7 |
| Issue Number | 2 |
| Journal | Journal of Materials Chemistry |
| DOI | 10.1039/a604874i |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Curie Weiss Magnetic susceptibility Zintl phase Stannide Curie\u2013Weiss law Magnetic moment Ion Phase transition Antiferromagnetism Correlation and dependence Magnetic field Magnetization Metamagnetism Isomeric shift Europium |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Materials Chemistry |
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