Structural aspects of pressure-dependent hole ordering in La1.67M0.33NiO4 (M=Ca,Sr,orBa)

S. H. Han, M. B. Maple, Z. Fisk, S. W. Cheong, A. S. Cooper, O. Chmaissem, J. D. Sullivan, M. Marezio

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

A structural aspect of the hole ordering phenomenon in the La2-xMxNiO4 (x=13 and M=Ca,Sr,orBa) system has been investigated by means of x-ray diffraction experiments and measurements of the hydrostatic pressure dependence of the hole ordering temperature Tc. No significant change of the average lattice parameters was found near Tc, which is consistent with previous arguments that the origin of the ordering is electronic or magnetic in nature. The electrical resistivity conforms to variable range hopping behavior at low temperatures far below Tc and the associated thermal activation energy shows a linear pressure dependence. The highest Tc at ambient pressure was achieved with Sr doping. The pressure dependence of Tc is positive for M=Ba, negative for M=Ca, and very small and negative for M=Sr. The doping and pressure dependences of Tc are examined in the context of the coupling between the holes and the crystal lattice. We suggest that there is an optimum distance of 5.42 between the nearest-neighbor ordered holes which gives the maximum Tc.

Original languageEnglish (US)
Pages (from-to)1347-1351
Number of pages5
JournalPhysical Review B
Volume52
Issue number2
DOIs
StatePublished - Jan 1 1995
Externally publishedYes

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pressure dependence
crystal lattices
hydrostatic pressure
lattice parameters
x ray diffraction
activation energy
electrical resistivity
electronics
temperature

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Han, S. H., Maple, M. B., Fisk, Z., Cheong, S. W., Cooper, A. S., Chmaissem, O., ... Marezio, M. (1995). Structural aspects of pressure-dependent hole ordering in La1.67M0.33NiO4 (M=Ca,Sr,orBa). Physical Review B, 52(2), 1347-1351. https://doi.org/10.1103/PhysRevB.52.1347
Han, S. H. ; Maple, M. B. ; Fisk, Z. ; Cheong, S. W. ; Cooper, A. S. ; Chmaissem, O. ; Sullivan, J. D. ; Marezio, M. / Structural aspects of pressure-dependent hole ordering in La1.67M0.33NiO4 (M=Ca,Sr,orBa). In: Physical Review B. 1995 ; Vol. 52, No. 2. pp. 1347-1351.
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abstract = "A structural aspect of the hole ordering phenomenon in the La2-xMxNiO4 (x=13 and M=Ca,Sr,orBa) system has been investigated by means of x-ray diffraction experiments and measurements of the hydrostatic pressure dependence of the hole ordering temperature Tc. No significant change of the average lattice parameters was found near Tc, which is consistent with previous arguments that the origin of the ordering is electronic or magnetic in nature. The electrical resistivity conforms to variable range hopping behavior at low temperatures far below Tc and the associated thermal activation energy shows a linear pressure dependence. The highest Tc at ambient pressure was achieved with Sr doping. The pressure dependence of Tc is positive for M=Ba, negative for M=Ca, and very small and negative for M=Sr. The doping and pressure dependences of Tc are examined in the context of the coupling between the holes and the crystal lattice. We suggest that there is an optimum distance of 5.42 between the nearest-neighbor ordered holes which gives the maximum Tc.",
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Han, SH, Maple, MB, Fisk, Z, Cheong, SW, Cooper, AS, Chmaissem, O, Sullivan, JD & Marezio, M 1995, 'Structural aspects of pressure-dependent hole ordering in La1.67M0.33NiO4 (M=Ca,Sr,orBa)', Physical Review B, vol. 52, no. 2, pp. 1347-1351. https://doi.org/10.1103/PhysRevB.52.1347

Structural aspects of pressure-dependent hole ordering in La1.67M0.33NiO4 (M=Ca,Sr,orBa). / Han, S. H.; Maple, M. B.; Fisk, Z.; Cheong, S. W.; Cooper, A. S.; Chmaissem, O.; Sullivan, J. D.; Marezio, M.

In: Physical Review B, Vol. 52, No. 2, 01.01.1995, p. 1347-1351.

Research output: Contribution to journalArticle

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T1 - Structural aspects of pressure-dependent hole ordering in La1.67M0.33NiO4 (M=Ca,Sr,orBa)

AU - Han, S. H.

AU - Maple, M. B.

AU - Fisk, Z.

AU - Cheong, S. W.

AU - Cooper, A. S.

AU - Chmaissem, O.

AU - Sullivan, J. D.

AU - Marezio, M.

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Y1 - 1995/1/1

N2 - A structural aspect of the hole ordering phenomenon in the La2-xMxNiO4 (x=13 and M=Ca,Sr,orBa) system has been investigated by means of x-ray diffraction experiments and measurements of the hydrostatic pressure dependence of the hole ordering temperature Tc. No significant change of the average lattice parameters was found near Tc, which is consistent with previous arguments that the origin of the ordering is electronic or magnetic in nature. The electrical resistivity conforms to variable range hopping behavior at low temperatures far below Tc and the associated thermal activation energy shows a linear pressure dependence. The highest Tc at ambient pressure was achieved with Sr doping. The pressure dependence of Tc is positive for M=Ba, negative for M=Ca, and very small and negative for M=Sr. The doping and pressure dependences of Tc are examined in the context of the coupling between the holes and the crystal lattice. We suggest that there is an optimum distance of 5.42 between the nearest-neighbor ordered holes which gives the maximum Tc.

AB - A structural aspect of the hole ordering phenomenon in the La2-xMxNiO4 (x=13 and M=Ca,Sr,orBa) system has been investigated by means of x-ray diffraction experiments and measurements of the hydrostatic pressure dependence of the hole ordering temperature Tc. No significant change of the average lattice parameters was found near Tc, which is consistent with previous arguments that the origin of the ordering is electronic or magnetic in nature. The electrical resistivity conforms to variable range hopping behavior at low temperatures far below Tc and the associated thermal activation energy shows a linear pressure dependence. The highest Tc at ambient pressure was achieved with Sr doping. The pressure dependence of Tc is positive for M=Ba, negative for M=Ca, and very small and negative for M=Sr. The doping and pressure dependences of Tc are examined in the context of the coupling between the holes and the crystal lattice. We suggest that there is an optimum distance of 5.42 between the nearest-neighbor ordered holes which gives the maximum Tc.

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