DC pole | Wartość | Język |
dc.contributor.author | Jendrzejewska, Izabela | - |
dc.contributor.author | Groń, Tadeusz | - |
dc.contributor.author | Kwapuliński, Piotr | - |
dc.contributor.author | Kusz, Joachim | - |
dc.contributor.author | Pietrasik, Ewa | - |
dc.contributor.author | Goryczka, Tomasz | - |
dc.contributor.author | Sawicki, Bogdan | - |
dc.contributor.author | Ślebarski, Andrzej | - |
dc.contributor.author | Fijałkowski, Marcin | - |
dc.contributor.author | Jampilek, Josef | - |
dc.contributor.author | Duda, Henryk | - |
dc.date.accessioned | 2021-06-07T07:59:50Z | - |
dc.date.available | 2021-06-07T07:59:50Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | "Materials" (2021), iss. 11, art. no. 2749, s. 1-15 | pl_PL |
dc.identifier.issn | 1996-1944 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.12128/20341 | - |
dc.description.abstract | The new series of single-crystalline chromium selenides, Ta-doped ZnCr2Se4, was synthesised
by a chemical vapour transport method to determine the impact of a dopant on the structural
and thermodynamic properties of the parent compound. We present comprehensive investigations
of structural, electrical transport, magnetic, and specific heat properties. It was expected that a partial
replacement of Cr ions by a more significant Ta one would lead to a change in direct magnetic interactions
between Cr magnetic moments and result in a change in the magnetic ground state and electric
transport properties of the ZnCr2xTaxSe4 (x = 0.05, 0.06, 0.07, 0.08, 0.1, 0.12) system. We found that
all the elements of the cubic system had a cubic spinel structure; however, the doping gain linearly
increased the ZnCr2xTaxSe4 unit cell volume. Doping with tantalum did not significantly change
the semiconductor and magnetic properties of ZnCr2Se4. For all studied samples (0 x 0.12),
an antiferromagnetic order (AFM) below TN~22 K was observed. However, a small amount of Ta
significantly reduced the second critical field (Hc2) from 65 kOe for x = 0.0 (ZnCr2Se4 matrix) up to
42.2 kOe for x = 0.12, above which the spin helical system changed to ferromagnetic (FM). The Hc2
reduction can lead to strong competition among AFM and FM interactions and spin frustration, as
the specific heat under magnetic fields H < Hc2 shows a strong field decrease in TN. | pl_PL |
dc.language.iso | en | pl_PL |
dc.rights | Uznanie autorstwa 3.0 Polska | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/pl/ | * |
dc.subject | single crystals | pl_PL |
dc.subject | semiconductors | pl_PL |
dc.subject | antiferromagnetic | pl_PL |
dc.subject | specific heat | pl_PL |
dc.title | Study of the structure, magnetic, thermal and electrical characterisation of ZnCr2Se4: Ta single crystals obtained by chemical vapour transport | pl_PL |
dc.type | info:eu-repo/semantics/article | pl_PL |
dc.identifier.doi | 10.3390/ma14112749 | - |
Pojawia się w kolekcji: | Artykuły (WNŚiT)
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