Occurrence of a high-temperature superconducting phase in (CaCuO2)(n)/(SrTiO3)(m) superlattices

@article{ ISI:000310129000008,
Author = {Di Castro, D. and Salvato, M. and Tebano, A. and Innocenti, D. and
   Aruta, C. and Prellier, W. and Lebedev, O. I. and Ottaviani, I. and
   Brookes, N. B. and Minola, M. and Sala, M. Moretti and Mazzoli, C. and
   Medaglia, P. G. and Ghiringhelli, G. and Braicovich, L. and Cirillo, M.
   and Balestrino, G.},
Title = {{Occurrence of a high-temperature superconducting phase in
   (CaCuO2)(n)/(SrTiO3)(m) superlattices}},
Journal = {{PHYSICAL REVIEW B}},
Year = {{2012}},
Volume = {{86}},
Number = {{13}},
Month = {{OCT 22}},
Abstract = {{We report the occurrence of superconductivity, with maximum T-c = 40 K,
   in superlattices (SLs) based on two insulating oxides, namely CaCuO2 and
   SrTiO3. In these (CaCuO2)(n)/(SrTiO3)(m) SLs, the CuO2 planes belong
   only to CaCuO2 block, which is an antiferromagnetic insulator.
   Superconductivity, confined within a few unit cells at the CaCuO2/SrTiO3
   interface, shows up only when the SLs are grown in a highly oxidizing
   atmosphere, because of extra oxygen ions entering at the interfaces. The
   hole doping is obtained by charge transfer from the interface layers,
   which thus act as charge reservoir.}},
Publisher = {{AMER PHYSICAL SOC}},
Address = {{ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Di Castro, D (Corresponding Author), Univ Roma Tor Vergata, CNR SPIN, Via Politecn 1, I-00133 Rome, Italy.
   Di Castro, D.; Tebano, A.; Innocenti, D.; Medaglia, P. G.; Balestrino, G., Univ Roma Tor Vergata, CNR SPIN, I-00133 Rome, Italy.
   Di Castro, D.; Tebano, A.; Innocenti, D.; Balestrino, G., Univ Roma Tor Vergata, Dipartimento Ingn Civile & Ingn Informat, I-00133 Rome, Italy.
   Medaglia, P. G., Univ Roma Tor Vergata, Dipartimento Ingn Ind, I-00133 Rome, Italy.
   Salvato, M.; Ottaviani, I.; Cirillo, M., Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy.
   Salvato, M.; Ottaviani, I.; Cirillo, M., Univ Roma Tor Vergata, MINAS Lab, I-00133 Rome, Italy.
   Aruta, C., CNR SPIN, Dipartimento Sci Fis, I-80126 Naples, Italy.
   Prellier, W.; Lebedev, O. I., CNRS ENSICAEN, Lab CRISMAT, UMR 6508, F-14050 Caen, France.
   Brookes, N. B.; Sala, M. Moretti, European Synchrotron Radiat Facil, F-38043 Grenoble 9, France.
   Minola, M.; Sala, M. Moretti; Mazzoli, C.; Ghiringhelli, G.; Braicovich, L., Politecn Milan, CNISM, I-20133 Milan, Italy.
   Minola, M.; Sala, M. Moretti; Mazzoli, C.; Ghiringhelli, G.; Braicovich, L., Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy.}},
DOI = {{10.1103/PhysRevB.86.134524}},
Article-Number = {{134524}},
ISSN = {{2469-9950}},
EISSN = {{2469-9969}},
Keywords-Plus = {{RAY-ABSORPTION-SPECTROSCOPY; ELECTRONIC-STRUCTURE; INTERFACES; FILMS}},
Research-Areas = {{Materials Science; Physics}},
Web-of-Science-Categories  = {{Materials Science, Multidisciplinary; Physics, Applied; Physics,
   Condensed Matter}},
ResearcherID-Numbers = {{innocenti, davide/H-7786-2012
   Lebedev, Oleg I/B-4443-2014
   Aruta, Carmela/L-2957-2015
   Ghiringhelli, Giacomo/D-1159-2014
   Sala, Marco Moretti/H-1034-2014
   Brookes, Nicholas B/C-6718-2019
   Prellier, W/AAB-3819-2019
   Moretti, Marco/AAF-9255-2019
   }},
ORCID-Numbers = {{innocenti, davide/0000-0002-0465-3039
   Aruta, Carmela/0000-0002-6917-6667
   Ghiringhelli, Giacomo/0000-0003-0867-7748
   Sala, Marco Moretti/0000-0002-9744-9976
   Brookes, Nicholas B/0000-0002-1342-9530
   Prellier, W/0000-0002-1492-2837
   Moretti, Marco/0000-0002-9744-9976
   TEBANO, ANTONELLO/0000-0002-0229-671X
   DI CASTRO, DANIELE/0000-0002-0878-6904
   Mazzoli, Claudio/0000-0001-9774-1507
   Minola, Matteo/0000-0003-4084-0664
   Ottaviani, Ivano/0000-0002-0766-629X
   Braicovich, Lucio/0000-0001-6548-9140}},
Funding-Acknowledgement = {{Italian MIURMinistry of Education, Universities and Research (MIUR)
   {[}PRIN-20094W2LAY]}},
Funding-Text = {{W.P. and O.I.L. are grateful to A. Pautrat for helpful discussion and to
   M. L. Gouleuf for the preparation of the samples for HRTEM measurements.
   D.D.C. thanks A. Maisuradze for support during magnetization
   measurement. C.A. and D.D.C. thank J. Zeghenagen for fruitful
   discussions. This work was partly supported by the Italian MIUR (Grant
   No. PRIN-20094W2LAY, ``Ordine orbitale e di spin nelle eterostrutture di
   cuprati e manganiti{''}).}},
Number-of-Cited-References = {{29}},
Times-Cited = {{30}},
Usage-Count-Last-180-days = {{1}},
Usage-Count-Since-2013 = {{65}},
Journal-ISO = {{Phys. Rev. B}},
Doc-Delivery-Number = {{024SN}},
Unique-ID = {{ISI:000310129000008}},
DA = {{2020-12-22}},
}