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Pregled bibliografske jedinice broj: 82878

Decoupled CuO2 and RuO2 layers in superconducting and magnetically ordered RuSr2GdCu2O8


Požek, Miroslav; Dulčić, Antonije; Paar, Dalibor; Hamzić, Amir; Basletić, Mario; Tafra, Emil; Williams, G. V. M.; Krämer, S.
Decoupled CuO2 and RuO2 layers in superconducting and magnetically ordered RuSr2GdCu2O8 // Physical Review B, 65 (2002) (međunarodna recenzija, članak, znanstveni)


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Naslov
Decoupled CuO2 and RuO2 layers in superconducting and magnetically ordered RuSr2GdCu2O8

Autori
Požek, Miroslav ; Dulčić, Antonije ; Paar, Dalibor ; Hamzić, Amir ; Basletić, Mario ; Tafra, Emil ; Williams, G. V. M. ; Krämer, S.

Izvornik
Physical Review B (0163-1829) 65 (2002);

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
strontium compounds; ruthenium compounds; gadolinium compounds; high-temperature superconductors; magnetic susceptibility; electrical resistivity; magnetoresistance; Hall effect; penetration depth (superconductivity); high-frequency effects; ferromagnetic

Sažetak
Comprehensive measurements of dc and ac susceptibility, dc resistance, magnetoresistance, Hall resistivity, and microwave absorption and dispersion in fields up to 8 T have been carried out on RuSr2GdCu2O8 with the aim to establish the properties of RuO2 and CuO2 planes. At ~130 K, where the magnetic order develops in the RuO2 planes, one observes a change in the slope of dc resistance, change in the sign of magnetoresistance, and the appearance of an extraordinary Hall effect. These features indicate that the RuO2 planes are conducting. A detailed analysis of the ac susceptibility and microwave data on both ceramic and powder samples show that the penetration depth remains frequency dependent and larger than the London penetration depth even at low temperatures. We conclude that the conductivity in the RuO2 planes remains normal even when superconducting order is developed in the CuO2 planes below ~45 K. Thus, experimental evidence is provided in support of theoretical models which base the coexistence of superconductivity and magnetic order on decoupled CuO2 and RuO2 planes.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
0119251
0119275

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Antonije Dulčić (autor)

Avatar Url Mario Basletić (autor)

Avatar Url Miroslav Požek (autor)

Avatar Url Dalibor Paar (autor)

Avatar Url Emil Tafra (autor)

Avatar Url Amir Hamzić (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada

Citiraj ovu publikaciju:

Požek, Miroslav; Dulčić, Antonije; Paar, Dalibor; Hamzić, Amir; Basletić, Mario; Tafra, Emil; Williams, G. V. M.; Krämer, S.
Decoupled CuO2 and RuO2 layers in superconducting and magnetically ordered RuSr2GdCu2O8 // Physical Review B, 65 (2002) (međunarodna recenzija, članak, znanstveni)
Požek, M., Dulčić, A., Paar, D., Hamzić, A., Basletić, M., Tafra, E., Williams, G. & Krämer, S. (2002) Decoupled CuO2 and RuO2 layers in superconducting and magnetically ordered RuSr2GdCu2O8. Physical Review B, 65.
@article{article, year = {2002}, pages = {174514}, keywords = {strontium compounds, ruthenium compounds, gadolinium compounds, high-temperature superconductors, magnetic susceptibility, electrical resistivity, magnetoresistance, Hall effect, penetration depth (superconductivity), high-frequency effects, ferromagnetic}, journal = {Physical Review B}, volume = {65}, issn = {0163-1829}, title = {Decoupled CuO2 and RuO2 layers in superconducting and magnetically ordered RuSr2GdCu2O8}, keyword = {strontium compounds, ruthenium compounds, gadolinium compounds, high-temperature superconductors, magnetic susceptibility, electrical resistivity, magnetoresistance, Hall effect, penetration depth (superconductivity), high-frequency effects, ferromagnetic} }
@article{article, year = {2002}, pages = {174514}, keywords = {strontium compounds, ruthenium compounds, gadolinium compounds, high-temperature superconductors, magnetic susceptibility, electrical resistivity, magnetoresistance, Hall effect, penetration depth (superconductivity), high-frequency effects, ferromagnetic}, journal = {Physical Review B}, volume = {65}, issn = {0163-1829}, title = {Decoupled CuO2 and RuO2 layers in superconducting and magnetically ordered RuSr2GdCu2O8}, keyword = {strontium compounds, ruthenium compounds, gadolinium compounds, high-temperature superconductors, magnetic susceptibility, electrical resistivity, magnetoresistance, Hall effect, penetration depth (superconductivity), high-frequency effects, ferromagnetic} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI





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