Lattice displacements above TC in the layered manganite La1.2Sr1.8Mn2O7

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Standard

Lattice displacements above TC in the layered manganite La1.2Sr1.8Mn2O7. / Argyriou, D. N.; Bordallo, H. N.; Mitchell, J. F.; Jorgensen, J. D.; Strouse, G. F.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 60, No. 9, 01.01.1999, p. 6200-6203.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Argyriou, DN, Bordallo, HN, Mitchell, JF, Jorgensen, JD & Strouse, GF 1999, 'Lattice displacements above TC in the layered manganite La1.2Sr1.8Mn2O7', Physical Review B - Condensed Matter and Materials Physics, vol. 60, no. 9, pp. 6200-6203. https://doi.org/10.1103/PhysRevB.60.6200

APA

Argyriou, D. N., Bordallo, H. N., Mitchell, J. F., Jorgensen, J. D., & Strouse, G. F. (1999). Lattice displacements above TC in the layered manganite La1.2Sr1.8Mn2O7. Physical Review B - Condensed Matter and Materials Physics, 60(9), 6200-6203. https://doi.org/10.1103/PhysRevB.60.6200

Vancouver

Argyriou DN, Bordallo HN, Mitchell JF, Jorgensen JD, Strouse GF. Lattice displacements above TC in the layered manganite La1.2Sr1.8Mn2O7. Physical Review B - Condensed Matter and Materials Physics. 1999 Jan 1;60(9):6200-6203. https://doi.org/10.1103/PhysRevB.60.6200

Author

Argyriou, D. N. ; Bordallo, H. N. ; Mitchell, J. F. ; Jorgensen, J. D. ; Strouse, G. F. / Lattice displacements above TC in the layered manganite La1.2Sr1.8Mn2O7. In: Physical Review B - Condensed Matter and Materials Physics. 1999 ; Vol. 60, No. 9. pp. 6200-6203.

Bibtex

@article{0bc95c07fe5b491f9da4212b998e101c,
title = "Lattice displacements above TC in the layered manganite La1.2Sr1.8Mn2O7",
abstract = "Neutron-diffraction data presented in this paper demonstrate the relevance of lattice displacement above TC, in our understanding of the evolution of the crystal structure with temperature in the layered colossal magnetoresistance manganite La1.2Sr1.8Mn2O7. The anomalous temperature behavior of thermal diffuse scattering in La1.2Sr1.8Mn2O7 strongly suggests that it arises from lattice displacements and correlates directly with anomalies in the displacement parameters of the O and Mn atoms and the Mn-O bond lengths. From our measurements, the insulator-metal transition can be described as a transition from a high-temperature state with disordered Mn-O bond lengths to a low-temperature state with a more uniform distribution on Mn-O bonds. These observations are in agreement with polaronic charge transport above TC in the perovskite manganites; as electron hopping is responsible for bond disorder above TC, below the transition where eg carriers are delocalized, any lattice displacements are uniformly averaged.",
author = "Argyriou, {D. N.} and Bordallo, {H. N.} and Mitchell, {J. F.} and Jorgensen, {J. D.} and Strouse, {G. F.}",
year = "1999",
month = jan,
day = "1",
doi = "10.1103/PhysRevB.60.6200",
language = "English",
volume = "60",
pages = "6200--6203",
journal = "Physical Review B",
issn = "2469-9950",
publisher = "American Physical Society",
number = "9",

}

RIS

TY - JOUR

T1 - Lattice displacements above TC in the layered manganite La1.2Sr1.8Mn2O7

AU - Argyriou, D. N.

AU - Bordallo, H. N.

AU - Mitchell, J. F.

AU - Jorgensen, J. D.

AU - Strouse, G. F.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - Neutron-diffraction data presented in this paper demonstrate the relevance of lattice displacement above TC, in our understanding of the evolution of the crystal structure with temperature in the layered colossal magnetoresistance manganite La1.2Sr1.8Mn2O7. The anomalous temperature behavior of thermal diffuse scattering in La1.2Sr1.8Mn2O7 strongly suggests that it arises from lattice displacements and correlates directly with anomalies in the displacement parameters of the O and Mn atoms and the Mn-O bond lengths. From our measurements, the insulator-metal transition can be described as a transition from a high-temperature state with disordered Mn-O bond lengths to a low-temperature state with a more uniform distribution on Mn-O bonds. These observations are in agreement with polaronic charge transport above TC in the perovskite manganites; as electron hopping is responsible for bond disorder above TC, below the transition where eg carriers are delocalized, any lattice displacements are uniformly averaged.

AB - Neutron-diffraction data presented in this paper demonstrate the relevance of lattice displacement above TC, in our understanding of the evolution of the crystal structure with temperature in the layered colossal magnetoresistance manganite La1.2Sr1.8Mn2O7. The anomalous temperature behavior of thermal diffuse scattering in La1.2Sr1.8Mn2O7 strongly suggests that it arises from lattice displacements and correlates directly with anomalies in the displacement parameters of the O and Mn atoms and the Mn-O bond lengths. From our measurements, the insulator-metal transition can be described as a transition from a high-temperature state with disordered Mn-O bond lengths to a low-temperature state with a more uniform distribution on Mn-O bonds. These observations are in agreement with polaronic charge transport above TC in the perovskite manganites; as electron hopping is responsible for bond disorder above TC, below the transition where eg carriers are delocalized, any lattice displacements are uniformly averaged.

UR - http://www.scopus.com/inward/record.url?scp=0000943722&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.60.6200

DO - 10.1103/PhysRevB.60.6200

M3 - Journal article

AN - SCOPUS:0000943722

VL - 60

SP - 6200

EP - 6203

JO - Physical Review B

JF - Physical Review B

SN - 2469-9950

IS - 9

ER -

ID: 218269865