Intertwined Spin and Orbital Density Waves in MnP Uncovered by Resonant Soft X-Ray Scattering
Abstract
Unconventional superconductors are often characterized by numerous competing and even intertwined orders in their phase diagrams. The fluctuations associated with these orders may provide the exotic pairing glue that underlies their high-temperature superconductivity. Helimagnet MnP, the first Mn-based superconductor under pressure, lacks high rotational symmetry. However, our resonant soft x-ray scattering experiment discovers novel helical orbital density wave (ODW) orders in MnP and reveals intertwined ordering phenomena. In particular, an ODW forms with half the period of the spin order and fully develops slightly above the spin ordering temperature, which resembles the behaviors of the nematic phase of the iron-based superconductors. Moreover, we find that their domains develop simultaneously, yet the spin order domains are larger than those of the ODW; and they cooperatively produce another ODW with 1/3 the period of the spin order. These observations provide a comprehensive picture of the intertwined orders in this three-dimensional, low-symmetry system and shed light on the understanding of its superconducting mechanism.
- Authors:
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC)
- OSTI Identifier:
- 1527063
- Alternate Identifier(s):
- OSTI ID: 1546741
- Grant/Contract Number:
- AC02-76SF00515; 11804137; 15ZR1402900; ZR2018BA026; 24-7906; 2016YFA0300200; 2017YFA0303104
- Resource Type:
- Published Article
- Journal Name:
- Physical Review. X
- Additional Journal Information:
- Journal Name: Physical Review. X Journal Volume: 9 Journal Issue: 2; Journal ID: ISSN 2160-3308
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Pan, B. Y., Jang, H., Lee, J. -S., Sutarto, R., He, F., Zeng, J. F., Liu, Y., Zhang, X. W., Feng, Y., Hao, Y. Q., Zhao, J., Xu, H. C., Chen, Z. H., Hu, J. P., and Feng, D. L. Intertwined Spin and Orbital Density Waves in MnP Uncovered by Resonant Soft X-Ray Scattering. United States: N. p., 2019.
Web. doi:10.1103/PhysRevX.9.021055.
Pan, B. Y., Jang, H., Lee, J. -S., Sutarto, R., He, F., Zeng, J. F., Liu, Y., Zhang, X. W., Feng, Y., Hao, Y. Q., Zhao, J., Xu, H. C., Chen, Z. H., Hu, J. P., & Feng, D. L. Intertwined Spin and Orbital Density Waves in MnP Uncovered by Resonant Soft X-Ray Scattering. United States. https://doi.org/10.1103/PhysRevX.9.021055
Pan, B. Y., Jang, H., Lee, J. -S., Sutarto, R., He, F., Zeng, J. F., Liu, Y., Zhang, X. W., Feng, Y., Hao, Y. Q., Zhao, J., Xu, H. C., Chen, Z. H., Hu, J. P., and Feng, D. L. Wed .
"Intertwined Spin and Orbital Density Waves in MnP Uncovered by Resonant Soft X-Ray Scattering". United States. https://doi.org/10.1103/PhysRevX.9.021055.
@article{osti_1527063,
title = {Intertwined Spin and Orbital Density Waves in MnP Uncovered by Resonant Soft X-Ray Scattering},
author = {Pan, B. Y. and Jang, H. and Lee, J. -S. and Sutarto, R. and He, F. and Zeng, J. F. and Liu, Y. and Zhang, X. W. and Feng, Y. and Hao, Y. Q. and Zhao, J. and Xu, H. C. and Chen, Z. H. and Hu, J. P. and Feng, D. L.},
abstractNote = {Unconventional superconductors are often characterized by numerous competing and even intertwined orders in their phase diagrams. The fluctuations associated with these orders may provide the exotic pairing glue that underlies their high-temperature superconductivity. Helimagnet MnP, the first Mn-based superconductor under pressure, lacks high rotational symmetry. However, our resonant soft x-ray scattering experiment discovers novel helical orbital density wave (ODW) orders in MnP and reveals intertwined ordering phenomena. In particular, an ODW forms with half the period of the spin order and fully develops slightly above the spin ordering temperature, which resembles the behaviors of the nematic phase of the iron-based superconductors. Moreover, we find that their domains develop simultaneously, yet the spin order domains are larger than those of the ODW; and they cooperatively produce another ODW with 1/3 the period of the spin order. These observations provide a comprehensive picture of the intertwined orders in this three-dimensional, low-symmetry system and shed light on the understanding of its superconducting mechanism.},
doi = {10.1103/PhysRevX.9.021055},
journal = {Physical Review. X},
number = 2,
volume = 9,
place = {United States},
year = {2019},
month = {6}
}
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