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- SPASOJEVIC, V (author)
MAGNETIC-SUSCEPTIBILITY OF THE SEMIMAGNETIC SEMICONDUCTOR HG1-XMNXS
- Article/chapterEnglish1993
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- Elsevier BV,1993
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- LIBRIS-ID:oai:DiVA.org:uu-195533
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-195533URI
- https://doi.org/10.1016/0304-8853(93)90170-7DOI
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- Language:English
- Summary in:English
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- The magnetic susceptibility of Hg1-xMnxS (x = 0.05, 0.10, 0.20, 0.30) has been measured in a SQUID magnetometer (T = 2-250 K) in a magnetic field of 9 kG. The high-temperature susceptibility of Hg1-xMnxS was found to behave in accordance with the Curie-Weiss law. From chi(T) measurements, for the first time, the microscopic parameter J1/k(B) = -(6.3 +/- 0.1) K (effective exchange integral) has been obtained. A spin S = 2.48 +/- 0.09, close to its atomic value S = 5/2, was also found. Low-temperature susceptibility measurements show that the sample with the highest Mn-concentration (x = 0.30) exhibits a difference between field-cooled and zero-field-cooled susceptibility signalling a spin-glass phase transition at about 4 K. As Hg1-xMnxS is the last uninvestigated alloy from the A1-xIIMnxBVI group, a complete review of experimental values (J1/k(B)) is also given.
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- RODIC, D (author)
- NORDBLAD, PUppsala universitet,Fasta tillståndets fysik (author)
- BAJOREK, A (author)
- Uppsala universitetFasta tillståndets fysik (creator_code:org_t)
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- In:Journal of Magnetism and Magnetic Materials: Elsevier BV118, s. 152-1580304-88531873-4766
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