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Antiferromagnetism inLa2CuO4−y
Abstract
Powder neutron diffraction studies of undoped ${\mathrm{La}}_{2}$${\mathrm{CuO}}_{4\mathrm{\ensuremath{-}}\mathrm{y}}$ have revealed new superlattice peaks below \ensuremath{\sim}220 K. The absence of corresponding x-ray superlattice lines and an observed susceptibility anomaly near 220 K suggest the occurrence of antiferromagnetism. From the magnetic peak intensities we deduce a structure consisting of ferromagnetic sheets of Cu spins alternating along the [100] orthorhombic axis, with the spins aligned along the [001] orthorhombic axis, The low-temperature magnetic moment is approximately 0.5${\mathrm{\ensuremath{\mu}}}_{\mathrm{B}}$/(Cu atom). The tetragonal-orthorhombic transition at 505 K has also been studied.
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Citations
Cites
Possible highT c superconductivity in the Ba?La?Cu?O system
Bednorz, J. G., & M�ller, K. A. (1986) · Zeitschrift f�r Physik B Condensed Matter · doi:10.1007/bf01303701 · Cited by 14,319
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Effective Hamiltonian for the superconducting Cu oxides
Zhang, F. C., & Rice, T. M. (1988) · Physical Review B · doi:10.1103/physrevb.37.3759 · Cited by 3,403
Cuprate superconductors as viewed through a striped lens
Tranquada, J. M. (2020) · Advances in Physics · doi:10.1080/00018732.2021.1935698 · Cited by 84
The random mass Dirac model and long-range correlations on an integrated optical platform
Keil, R., Zeuner, J. M., Dreisow, F., Heinrich, M., Tünnermann, A., Nolte, S., & Szameit, A. (2013) · Nature Communications · doi:10.1038/ncomms2384 · Cited by 24
Metadata
- Authors
- Vaknin, D., Sinha, S. K., Moncton, D. E., Johnston, D. C., Newsam, J. M., Safinya, C. R., & King, H. E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1987-06-29
- Volume
- 58
- Issue
- 26
- Pages
- 2802-2805
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2521969232
- Cited by
- 1,113
- References
- 1
- FWCI
- 51.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- Vaknin, D., Sinha, S. K., Moncton, D. E., Johnston, D. C., Newsam, J. M., Safinya, C. R., & King, H. E. (1987). Antiferromagnetism inLa2CuO4−y. Physical Review Letters. https://doi.org/10.1103/physrevlett.58.2802
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