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Unconventional charge order in a co-doped high-Tc superconductor


Pelc, Damjan; Vučković, Marija; Grafe, Hans-Joachim; Baek, Seung-Ho; Požek, Miroslav
Unconventional charge order in a co-doped high-Tc superconductor // Nature Communications, 7 (2016), 12775-1 doi:10.1038/ncomms12775 (međunarodna recenzija, članak, znanstveni)


Naslov
Unconventional charge order in a co-doped high-Tc superconductor

Autori
Pelc, Damjan ; Vučković, Marija ; Grafe, Hans-Joachim ; Baek, Seung-Ho ; Požek, Miroslav

Izvornik
Nature Communications (2041-1723) 7 (2016); 12775-1

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

Ključne riječi
High temperature superconductivity ; charge order ; stripes ; nematic phase

Sažetak
Charge-stripe order has recently been established as an important aspect of cuprate high-Tc superconductors. However, owing to the complex interplay between competing phases and the influence of disorder, it is unclear how it emerges from the parent high-temperature state. Here we report on the discovery of an unconventional ordered phase between charge-stripe order and (pseudogapped) metal in the cuprate La1.8-xEu0.2SrxCuO4. We use three complementary experiments—nuclear quadrupole resonance, nonlinear conductivity and specific heat—to demonstrate that the order appears through a sharp phase transition and exists in a dome-shaped region of the phase diagram. Our results imply that the new phase is a state, which preserves translational symmetry: a charge nematic. We thus resolve the process of charge-stripe development in cuprates, show that this nematic phase is distinct from high-temperature pseudogap and establish a link with other strongly correlated electronic materials with prominent nematic order.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
HRZZ-IP-2013-11-2729 - Lokalna proba i mezoskopska dinamika u novim fazama jako koreliranih elektronskih sustava (Miroslav Požek, )

Ustanove
Prirodoslovno-matematički fakultet, Zagreb

Citiraj ovu publikaciju

Pelc, Damjan; Vučković, Marija; Grafe, Hans-Joachim; Baek, Seung-Ho; Požek, Miroslav
Unconventional charge order in a co-doped high-Tc superconductor // Nature Communications, 7 (2016), 12775-1 doi:10.1038/ncomms12775 (međunarodna recenzija, članak, znanstveni)
Pelc, D., Vučković, M., Grafe, H., Baek, S. & Požek, M. (2016) Unconventional charge order in a co-doped high-Tc superconductor. Nature Communications, 7, 12775-1 doi:10.1038/ncomms12775.
@article{article, year = {2016}, pages = {12775-1-12775-7}, DOI = {10.1038/ncomms12775}, keywords = {high temperature superconductivity, charge order, stripes, nematic phase}, journal = {Nature Communications}, doi = {10.1038/ncomms12775}, volume = {7}, issn = {2041-1723}, title = {Unconventional charge order in a co-doped high-Tc superconductor}, keyword = {high temperature superconductivity, charge order, stripes, nematic phase} }

Časopis indeksira:


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


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