Chlorination effects in electrical transport properties of ceramic La2-xSrxCuO4-δ-yCly
We have measured the electrical resistivity ρ{variant}(T) of the chlorinated La2-xSrxCuO4-δ high-Tc superconductor, in a wide range of temperatures (40 ≤ T ≤ 800 K). The systematic effects in ρ{variant}(T) of Cl and Sr contents allowed us, within the Drude and VRH models, to determine the role playe...
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1994
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| LEADER | 09015caa a22011537a 4500 | ||
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| 001 | PAPER-87 | ||
| 003 | AR-BaUEN | ||
| 005 | 20250212084500.0 | ||
| 008 | 190411s1994 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0028465865 | |
| 030 | |a PHYCE | ||
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Acha, C. | |
| 245 | 1 | 0 | |a Chlorination effects in electrical transport properties of ceramic La2-xSrxCuO4-δ-yCly |
| 260 | |c 1994 | ||
| 270 | 1 | 0 | |m Acha, C. |
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| 506 | |2 openaire |e Política editorial | ||
| 520 | 3 | |a We have measured the electrical resistivity ρ{variant}(T) of the chlorinated La2-xSrxCuO4-δ high-Tc superconductor, in a wide range of temperatures (40 ≤ T ≤ 800 K). The systematic effects in ρ{variant}(T) of Cl and Sr contents allowed us, within the Drude and VRH models, to determine the role played by Cl in electrical transport properties: carrier concentration decreases linearly with increasing Cl concentration, and Cl also modifies the electron localized low temperature conducting regime, increasing disorder for low Sr concentration (x = 0.065) while ordering the system for high Sr concentrations (0.08 ≤ x ≤ 0.2). Changes in lattice parameters indicate different structural site occupancies for Cl, depending on Sr doping: for low Sr concentrations an expansion in the c-crystallographic axis with increasing Cl content is observed, while a contraction results for higher Sr contents. © 1994. |l eng | |
| 536 | |a Detalles de la financiación: PID 303320088 | ||
| 536 | |a Detalles de la financiación: TWAS | ||
| 536 | |a Detalles de la financiación: We acknowledge D. Rodriguez Melgarejo, D. Gimenez, C. Chiliotte and E. Perez Wodtke for their technical assistance and E. Manghi, P.K. de Perazzo and M.R. Casal for many helpfull discussions. This work was partially supported by CONICET PID 303320088 and by TWAS Research Grant No. MP 90-042. | ||
| 593 | |a Laboratorio de Bajas Temperaturas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Buenos Aires, Ciudad Universitaria, Pab. I (1428) Cap. Fed., Argentina, Argentina | ||
| 593 | |a División Física del Sólido, Departamento de Física, Comisión Nacional de Energia Atómica, Libertador 8250 (1429) Cap. Fed., Argentina | ||
| 690 | 1 | 0 | |a CERAMIC MATERIALS |
| 690 | 1 | 0 | |a CHARGE CARRIERS |
| 690 | 1 | 0 | |a CHLORINATION |
| 690 | 1 | 0 | |a COMPOSITION EFFECTS |
| 690 | 1 | 0 | |a COPPER OXIDES |
| 690 | 1 | 0 | |a CRYSTAL LATTICES |
| 690 | 1 | 0 | |a DOPING (ADDITIVES) |
| 690 | 1 | 0 | |a ELECTRIC CONDUCTIVITY MEASUREMENT |
| 690 | 1 | 0 | |a ELECTRON TRANSPORT PROPERTIES |
| 690 | 1 | 0 | |a LANTHANUM COMPOUNDS |
| 690 | 1 | 0 | |a ORDER DISORDER TRANSITIONS |
| 690 | 1 | 0 | |a STRONTIUM |
| 690 | 1 | 0 | |a DRUDE MODEL |
| 690 | 1 | 0 | |a LANTHANUM STRONTIUM COPPER OXIDE |
| 690 | 1 | 0 | |a LATTICE PARAMETERS |
| 690 | 1 | 0 | |a VRH MODEL |
| 690 | 1 | 0 | |a HIGH TEMPERATURE SUPERCONDUCTORS |
| 700 | 1 | |a Bekeris, V. | |
| 700 | 1 | |a Urba, L. | |
| 700 | 1 | |a Polla, G. | |
| 700 | 1 | |a Levy, P. | |
| 700 | 1 | |a Leyva, G. | |
| 700 | 1 | |a de Benyacar, M.A.R. | |
| 700 | 1 | |a Cruz, Fernando Pablo de la | |
| 773 | 0 | |d 1994 |g v. 227 |h pp. 237-244 |k n. 3-4 |p Phys C Supercond Appl |x 09214534 |w (AR-BaUEN)CENRE-278 |t Physica C: Superconductivity and its applications | |
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