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Observation of fractional spin S=1/2 on open ends of S=1 linear antiferromagnetic chains: Nonmagnetic doping
Abstract
Approximately 0.5% of nonmagnetic divalent ions Zn, Cd, and Hg have been alternatively substituted for Ni in the linear chain of antiferromagnetically coupled ${\mathrm{Ni}}^{2+}$ (S=1) spins in [Ni(${\mathrm{C}}_{2}$${\mathrm{H}}_{8}$${\mathrm{N}}_{2}$${)}_{2}$(${\mathrm{NO}}_{2}$)]${\mathrm{CIO}}_{4}$ (NENP). While at low temperature the pure NENP shows no EPR signal, the doped NENP shows identical EPR spectra corresponding to the fractional spin S=1/2 states at the ``open'' ends of the Ni chains adjacent to the nonmagnetic substitutions.
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Citations
Cited by
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Chen, X., Gu, Z.-C., Liu, Z.-X., & Wen, X.-G. (2012) · Science · doi:10.1126/science.1227224 · Cited by 640
Observation of a symmetry-protected topological phase of interacting bosons with Rydberg atoms
de Léséleuc, S., Lienhard, V., Scholl, P., Barredo, D., Weber, S., Lang, N., Büchler, H. P., Lahaye, T., & Browaeys, A. (2019) · Science · doi:10.1126/science.aav9105 · Cited by 543
Metadata
- Authors
- Glarum, S. H., Geschwind, S., Lee, K. M., Kaplan, M. L., & Michel, J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1991-09-16
- Volume
- 67
- Issue
- 12
- Pages
- 1614-1617
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2071180144
- Cited by
- 178
- References
- 0
- FWCI
- 6.93
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Observation of fractional spin S=1/2 on open ends of S=1 linear antiferromagnetic chains: Nonmagnetic doping. https://app.cochat.ai/papers/10.1103/physrevlett.67.1614
- The paper
- Glarum, S. H., Geschwind, S., Lee, K. M., Kaplan, M. L., & Michel, J. (1991). Observation of fractional spin S=1/2 on open ends of S=1 linear antiferromagnetic chains: Nonmagnetic doping. Physical Review Letters. https://doi.org/10.1103/physrevlett.67.1614
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