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PreprintarXiv licencearXiv

The Structure-tuning Magnetism in the Co(NbxTa1-x)2O6 Series

  • Sirui Huang
  • Lun Jin
  • Yuchen Liu
  • Xiyu Chen
  • Leili Tan
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Abstract

Low dimensional quantum materials have been extensively studied within the physics community, among which Co2+ is one of the most popular magnetic ions to be embedded into the structural motif. CoNb2O6 and CoTa2O6 both have adopted an effective spin-1/2 state, with the former attracting enduring interest while the latter being rarely investigated. This difference can be attributed to their distinct crystal structures, not only in crystal systems, but more important, how the CoO6 octahedra are connected. We successfully merge these two compounds together and map out the doping limits. We find out Ta and Nb dopants modify the properties of the parent compounds in subtle but different ways and construct a magnetic phase diagram of the Co(NbxTa1-x)2O6 (0 < x < 1) series. In addition, our results suggest that Ta-doping may pave a way to strengthen the lower-dimensional quantum phenomena in CoNb2O6 before its crystal structure starts to melt down.

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Cite

BibTeXRIS
BibTeX
@misc{huang2026structuretuning,
  title = {{The Structure-tuning Magnetism in the Co(NbxTa1-x)2O6 Series}},
  author = {Sirui Huang and Lun Jin and Yuchen Liu and Xiyu Chen and Leili Tan},
  howpublished = {arXiv},
  year = {2026},
  month = jun,
  doi = {10.48550/arxiv.2606.14183},
  eprint = {2606.14183},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.14183},
}
RIS
TY  - UNPB
TI  - The Structure-tuning Magnetism in the Co(NbxTa1-x)2O6 Series
AU  - Sirui Huang
AU  - Lun Jin
AU  - Yuchen Liu
AU  - Xiyu Chen
AU  - Leili Tan
PY  - 2026
DA  - 2026/06/12
PB  - arXiv
DO  - 10.48550/arxiv.2606.14183
UR  - https://arxiv.org/abs/2606.14183
AB  - Low dimensional quantum materials have been extensively studied within the physics community, among which Co2+ is one of the most popular magnetic ions to be embedded into the structural motif. CoNb2O6 and CoTa2O6 both have adopted an effective spin-1/2 state, with the former attracting enduring interest while the latter being rarely investigated. This difference can be attributed to their distinct crystal structures, not only in crystal systems, but more important, how the CoO6 octahedra are connected. We successfully merge these two compounds together and map out the doping limits. We find out Ta and Nb dopants modify the properties of the parent compounds in subtle but different ways and construct a magnetic phase diagram of the Co(NbxTa1-x)2O6 (0 < x < 1) series. In addition, our results suggest that Ta-doping may pave a way to strengthen the lower-dimensional quantum phenomena in CoNb2O6 before its crystal structure starts to melt down.
ER  -