http://www.cnr.it/ontology/cnr/individuo/prodotto/ID169092
Optical Properties of (SrMnO3)(n)/(LaMnO3)(2n) Superlattices: An Insulator-to-Metal Transition Observed in the Absence of Disorder (Articolo in rivista)
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- Optical Properties of (SrMnO3)(n)/(LaMnO3)(2n) Superlattices: An Insulator-to-Metal Transition Observed in the Absence of Disorder (Articolo in rivista) (literal)
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- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/nl1022628 (literal)
- Alternative label
Perucchi, Andrea; Baldassarre, Leonetta; Nucara, Alessandro; Calvani, Paolo; Adamo, Carolina; Schlom, Darrell G.; Orgiani, Pasquale; Maritato, Luigi; Lupi, Stefano (2010)
Optical Properties of (SrMnO3)(n)/(LaMnO3)(2n) Superlattices: An Insulator-to-Metal Transition Observed in the Absence of Disorder
in Nano letters (Print); ACS, American chemical society, Washington, DC (Stati Uniti d'America)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Perucchi, Andrea; Baldassarre, Leonetta; Nucara, Alessandro; Calvani, Paolo; Adamo, Carolina; Schlom, Darrell G.; Orgiani, Pasquale; Maritato, Luigi; Lupi, Stefano (literal)
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- http://pubs.acs.org/doi/abs/10.1021/nl1022628 (literal)
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- Sincrotrone Trieste, Area Science Park, I-34012 Trieste, Italy; CNR-SPIN and Dipartimento di Fisica, Universita` di Roma La Sapienza, Piazzale Aldo Moro 2, I-00185 Rome, Italy; Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853-1501, United States; CNR-SPIN and Dipartimento di Matematica ed Informatica, Universita` di Salerno, Baronissi, I-84081 Salerno, Italy; CNR-IOM and Dipartimento di Fisica, Universita` di Roma La Sapienza, Piazzale Aldo Moro 2, I-00185 Rome, Italy (literal)
- Titolo
- Optical Properties of (SrMnO3)(n)/(LaMnO3)(2n) Superlattices: An Insulator-to-Metal Transition Observed in the Absence of Disorder (literal)
- Abstract
- We measure the optical conductivity sigma(1)(omega) of (SrMnO3)(n)/(LaMnO3)(2n) superlattices (SL) for n = 1 3 5 and 8 and 10 < T < 400 K Data show a T dependent Insulator to metal transition (IMT) for n <= 3 driven by the softening of a polaronic mid infrared band At n = 5 that softening is incomplete while at the largest period n = 8 compound the MIR band is independent of T and the SL remains insulating One can thus first observe the IMT in a Manganite system in the absence of the disorder due to chemical doping Unsuccessful reconstruction of the SL optical properties from those of the original bulk materials suggests that (SrMnO3)(n)/(LaMnO3)(2n) heterostructures give rise to a novel electronic state. (literal)
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