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Pregled bibliografske jedinice broj: 1233762

Superconductivity and possible variable range hopping in (TiZrNbCu)(1-x)Nix, (TiZrNbNi)(1-x)Cux and (TiZrNbCu)(1-x)Cox complex amorphous alloys


Kuveždić, Marko; Tafra, Emil; Babić, Emil; Figueroa, Ignacio A.; Basletić, Mario
Superconductivity and possible variable range hopping in (TiZrNbCu)(1-x)Nix, (TiZrNbNi)(1-x)Cux and (TiZrNbCu)(1-x)Cox complex amorphous alloys // European C-MetAC Days 2020 Program
Split, Hrvatska, 2022. P-2, 60 (poster, nije recenziran, sažetak, znanstveni)


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Naslov
Superconductivity and possible variable range hopping in (TiZrNbCu)(1-x)Nix, (TiZrNbNi)(1-x)Cux and (TiZrNbCu)(1-x)Cox complex amorphous alloys

Autori
Kuveždić, Marko ; Tafra, Emil ; Babić, Emil ; Figueroa, Ignacio A. ; Basletić, Mario

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
European C-MetAC Days 2020 Program / - , 2022

Skup
European C-MetAC Days 2022

Mjesto i datum
Split, Hrvatska, 21-24.11.2022

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
High entropy alloys ; Metallic glasses ; Hall effect ; Magnetotransport ; Superconductivity

Sažetak
We present the result of a systematic study of electrical resistivity, superconductive transitions and Hall effect for three systems of compositionally complex amorphous alloys of early (TE) and late (TL) transition metals in a broad composition range x (0.1-0.5). All samples showed a high resistivity at room temperature (140-240 μΩ cm) and the superconducting transition temperatures decrease with increasing TL content, similar to binary amorphous [3] and crystalline HEA TE-TL alloys [4]. With the highest recorded transition for (TiZrNbCu)0.90Co0.10 at 1.94 K. The Hall coefficient RH is temperature independent and positive for all samples except for (TiZrNbCu)0.57Co0.43 with an interpolated critical concentration at xc=0.34, in good agreement with binary TE-TL alloys [1]. For the temperature dependence of resistivity, we discuss possible variable range hopping (VRH) like parallel conduction mode, in temperature range 30-150K, with an exponent p=1/2. We examine this in the context of VRH in granular materials [2]. References: [1] J. Ivkov and E. Babić, J. Phys.: Condens. Matter 2 (1990) 3891 [2] V. F. Gantmakher, Electrons and Disorder in Solids (OUP Oxford, 2005). [3] E. Babić et al, Solid State Commun. 39 (1981) 139 [4] K. Stolze et al, Chem. Mater. 30 (2018) 906

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
EK-EFRR-KK.01.1.1.02.0013 - Centar za Napredna Istraživanja Kompleksnih Sustava (CeNIKS) (Grbić, Mihael Srđan; Tafra, Emil, EK - KK.01.1.1.02) ( CroRIS)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Mario Basletić (autor)

Avatar Url Emil Babić (autor)

Avatar Url Emil Tafra (autor)

Avatar Url Marko Kuveždić (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada

Citiraj ovu publikaciju:

Kuveždić, Marko; Tafra, Emil; Babić, Emil; Figueroa, Ignacio A.; Basletić, Mario
Superconductivity and possible variable range hopping in (TiZrNbCu)(1-x)Nix, (TiZrNbNi)(1-x)Cux and (TiZrNbCu)(1-x)Cox complex amorphous alloys // European C-MetAC Days 2020 Program
Split, Hrvatska, 2022. P-2, 60 (poster, nije recenziran, sažetak, znanstveni)
Kuveždić, M., Tafra, E., Babić, E., Figueroa, I. & Basletić, M. (2022) Superconductivity and possible variable range hopping in (TiZrNbCu)(1-x)Nix, (TiZrNbNi)(1-x)Cux and (TiZrNbCu)(1-x)Cox complex amorphous alloys. U: European C-MetAC Days 2020 Program.
@article{article, author = {Kuve\v{z}di\'{c}, Marko and Tafra, Emil and Babi\'{c}, Emil and Figueroa, Ignacio A. and Basleti\'{c}, Mario}, year = {2022}, pages = {60}, chapter = {P-2}, keywords = {High entropy alloys, Metallic glasses, Hall effect, Magnetotransport, Superconductivity}, title = {Superconductivity and possible variable range hopping in (TiZrNbCu)(1-x)Nix, (TiZrNbNi)(1-x)Cux and (TiZrNbCu)(1-x)Cox complex amorphous alloys}, keyword = {High entropy alloys, Metallic glasses, Hall effect, Magnetotransport, Superconductivity}, publisherplace = {Split, Hrvatska}, chapternumber = {P-2} }
@article{article, author = {Kuve\v{z}di\'{c}, Marko and Tafra, Emil and Babi\'{c}, Emil and Figueroa, Ignacio A. and Basleti\'{c}, Mario}, year = {2022}, pages = {60}, chapter = {P-2}, keywords = {High entropy alloys, Metallic glasses, Hall effect, Magnetotransport, Superconductivity}, title = {Superconductivity and possible variable range hopping in (TiZrNbCu)(1-x)Nix, (TiZrNbNi)(1-x)Cux and (TiZrNbCu)(1-x)Cox complex amorphous alloys}, keyword = {High entropy alloys, Metallic glasses, Hall effect, Magnetotransport, Superconductivity}, publisherplace = {Split, Hrvatska}, chapternumber = {P-2} }




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