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Pregled bibliografske jedinice broj: 396248

Anisotropy of critical fields in HgBa2CuO4+delta


Požek, Miroslav; Grbić, Mihael Srđan; Dulčić, Antonije; Barišić, Neven; Li, Yuan; Zhao, Xudong; Dressel, Martin; Greven, Martin
Anisotropy of critical fields in HgBa2CuO4+delta // 429. WE-Heraeus-Seminar Microwaves for Condensed Matter Physics 2009 / Scheffler, Marc ; Dressel, Martin (ur.).
Bad Honnef: Wilhelm und Else Heraeus-Stiftung, 2009. (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Anisotropy of critical fields in HgBa2CuO4+delta

Autori
Požek, Miroslav ; Grbić, Mihael Srđan ; Dulčić, Antonije ; Barišić, Neven ; Li, Yuan ; Zhao, Xudong ; Dressel, Martin ; Greven, Martin

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

Izvornik
429. WE-Heraeus-Seminar Microwaves for Condensed Matter Physics 2009 / Scheffler, Marc ; Dressel, Martin - Bad Honnef : Wilhelm und Else Heraeus-Stiftung, 2009

Skup
429. WE-Heraeus-Seminar Microwaves for Condensed Matter Physics 2009

Mjesto i datum
Bad Honnef, Njemačka, 05.-08.07.2009

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
microwaves; cuprate superconductors; aisotropy
(429. WE-Heraeus-Seminar Microwaves for Condensed Matter Physics 2009)

Sažetak
Microwave absorption measurements have proven to be a useful tool for the determination of upper critical fields in high-Tc superconductors, even beyond the experimentally reachable dc magnetic fields. The analysis is usually based on the model for effective microwave conductivity in the mixed state of type-II superconductors, which takes into account vortex pinning mechanisms. Here we show microwave measurements of ab- and c-axis conductivity, which is particularly sensitive if the proper sample geometry is chosen. As an example, we have taken a high quality single crystal of HgBa2CuO4+delta, which can be considered as the model single-layered high-Tc superconductor known for its unique property to confine extrinsic disorder away from the superconducting layer. The upper critical fields are determined in two orientations (Bdc || c-axis and Bdc || ab-plane), and the anisotropy is extracted.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
119-1191458-1022 - Mikrovalna istraživanja novih materijala (Požek, Miroslav, MZOS ) ( POIROT)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb


Citiraj ovu publikaciju

Požek, Miroslav; Grbić, Mihael Srđan; Dulčić, Antonije; Barišić, Neven; Li, Yuan; Zhao, Xudong; Dressel, Martin; Greven, Martin
Anisotropy of critical fields in HgBa2CuO4+delta // 429. WE-Heraeus-Seminar Microwaves for Condensed Matter Physics 2009 / Scheffler, Marc ; Dressel, Martin (ur.).
Bad Honnef: Wilhelm und Else Heraeus-Stiftung, 2009. (poster, međunarodna recenzija, sažetak, znanstveni)
Požek, M., Grbić, M., Dulčić, A., Barišić, N., Li, Y., Zhao, X., Dressel, M. & Greven, M. (2009) Anisotropy of critical fields in HgBa2CuO4+delta. U: Scheffler, M. & Dressel, M. (ur.)429. WE-Heraeus-Seminar Microwaves for Condensed Matter Physics 2009.
@article{article, year = {2009}, keywords = {microwaves, cuprate superconductors, aisotropy}, title = {Anisotropy of critical fields in HgBa2CuO4+delta}, keyword = {microwaves, cuprate superconductors, aisotropy}, publisher = {Wilhelm und Else Heraeus-Stiftung}, publisherplace = {Bad Honnef, Njema\v{c}ka} }
@article{article, year = {2009}, keywords = {429. WE-Heraeus-Seminar Microwaves for Condensed Matter Physics 2009}, title = {Anisotropy of critical fields in HgBa2CuO4+delta}, keyword = {429. WE-Heraeus-Seminar Microwaves for Condensed Matter Physics 2009}, publisher = {Wilhelm und Else Heraeus-Stiftung}, publisherplace = {Bad Honnef, Njema\v{c}ka} }




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