The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Evidence for Pb-O Covalency in TetragonalPbTiO3
Abstract
Accurate charge-density distributions of cubic and tetragonal ${\mathrm{PbTiO}}_{3}$ and ${\mathrm{BaTiO}}_{3}$ have been obtained by the MEM(maximum entropy method)/Rietveld analysis using synchrotron-radiation powder data. The Pb-O bonds in tetragonal ${\mathrm{PbTiO}}_{3}$ show rather strong covalency, while those in cubic ${\mathrm{PbTiO}}_{3}$ are ionic. This is the clear evidence of the Pb-O hybridization in tetragonal ${\mathrm{PbTiO}}_{3}$, which has been theoretically predicted as a key factor of much larger ferroelectricity of this substance than that of ${\mathrm{BaTiO}}_{3}$. Tetragonal ${\mathrm{PbTiO}}_{3}$ forms a layered structure of a two-dimensional covalent-bonding network consisting of the $\mathrm{Ti}\ensuremath{-}{O}_{5}$ pyramid.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
Shannon, R. D. (1976) · Acta Crystallographica Section A · doi:10.1107/s0567739476001551 · Cited by 66,145
Cited by
The origin of ferroelectricity in magnetoelectric YMnO3
Van Aken, B. B., Palstra, T. T. M., Filippetti, A., & Spaldin, N. A. (2004) · Nature Materials · doi:10.1038/nmat1080 · Cited by 1,247
Ferroelectricity from iron valence ordering in the charge-frustrated system LuFe2O4
Ikeda, N., Ohsumi, H., Ohwada, K., Ishii, K., Inami, T., Kakurai, K., Murakami, Y., Yoshii, K., Mori, S., Horibe, Y., et al. (2005) · Nature · doi:10.1038/nature04039 · Cited by 990
Likhtman, A. E. (2005) · Macromolecules · doi:10.1021/ma050399h · Cited by 304
Metadata
- Authors
- Kuroiwa, Y., Aoyagi, S., Sawada, A., Harada, J., Nishibori, E., Takata, M., & Sakata, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2001-11-06
- Volume
- 87
- Issue
- 21
- Pages
- 217601-217601
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1982309691
- Cited by
- 471
- References
- 1
- FWCI
- 6.20
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Evidence for Pb-O Covalency in TetragonalPbTiO3. https://app.cochat.ai/papers/10.1103/physrevlett.87.217601
- The paper
- Kuroiwa, Y., Aoyagi, S., Sawada, A., Harada, J., Nishibori, E., Takata, M., & Sakata, M. (2001). Evidence for Pb-O Covalency in TetragonalPbTiO3. Physical Review Letters. https://doi.org/10.1103/physrevlett.87.217601
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
