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Observation of a three-dimensional quasi-long-range electronic supermodulation in YBa 2 Cu 3 O 7 x / La 0 . 7 Ca 0 . 3 MnO 3 heterostructures
| Content Provider | Semantic Scholar |
|---|---|
| Author | He, Junfeng Shafer, Padraic Mion, Thomas R. Tra, Vu Thanh He, Qing Guo Kong, J. Chuang, Y.-D. Yang, Wang Lin Graf, Michael J. Arenholz, Enno He, Ruihua |
| Copyright Year | 2016 |
| Abstract | Recent developments in high-temperature superconductivity highlight a generic tendency of the cuprates to develop competing electronic (charge) supermodulations. While coupled with the lattice and showing different characteristics in different materials, these supermodulations themselves are generally conceived to be quasi-two-dimensional, residing mainly in individual CuO2 planes, and poorly correlated along the c axis. Here we observed with resonant elastic X-ray scattering a distinct type of electronic supermodulation in YBa2Cu3O7 x (YBCO) thin films grown epitaxially on La0.7Ca0.3MnO3 (LCMO). This supermodulation has a periodicity nearly commensurate with four lattice constants in-plane, eight out of plane, with long correlation lengths in three dimensions. It sets in far above the superconducting transition temperature and competes with superconductivity below this temperature for electronic states predominantly in the CuO2 plane. Our finding sheds light on the nature of charge ordering in cuprates as well as a reported long-range proximity effect between superconductivity and ferromagnetism in YBCO/LCMO heterostructures. DOI: 10.1038/ncomms10852 OPEN |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://ir.nctu.edu.tw/bitstream/11536/133522/1/72e0ddcebf1716f180030ced3ad0a654.pdf |
| Alternate Webpage(s) | http://ftp.ncbi.nlm.nih.gov/pub/pmc/c1/0b/ncomms10852.PMC4773509.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
