Abstract
Translational symmetry breaking is foundational to condensed matter physics because it is associated with crystal formation. At much lower energy scales, the breaking of crystalline translational symmetry can be driven by electronic, rather than ionic, degrees of freedom and may give rise to stripe order, a unidirectional ordered state. Such symmetry breaking has been seen in two-dimensional and strongly correlated systems. Here, for the first time, we report the observation of stripe order in an elemental solid, tellurium. Through topographic and spectroscopic imaging, we discover a commensurate 4 × 1 stripe phase. Surprisingly, this exotic order is so robust that it survives close to room temperature. Notably, our diffraction experiments confirm the bulk nature of the stripe order, showing the minuteness of potential lattice distortion associated with the order. Our discovery of the stripe order in tellurium opens new windows to understanding the spontaneous symmetry breaking in elemental solids.
| Original language | English |
|---|---|
| Pages (from-to) | 10386-10394 |
| Number of pages | 9 |
| Journal | Nano Letters |
| Volume | 25 |
| Issue number | 26 |
| DOIs | |
| State | Published - Jul 2 2025 |
Funding
We are grateful to P. Padmanabhan for helpful discussions.M.Z.H.’s group at Princeton University acknowledges primary support from the US Department of Energy (DOE), Office of Science, under the Basic Energy Sciences (DOE-BES) programme (Grant No. DOE/BES DE-FG-02- 05ER46200) for the advanced spectroscopic measurements and theoretical including ARPES and the National Quantum Information Science Research Centers, the Quantum Science Center and Princeton University; ARPES, STM and transport instrumentation support from the Gordon and Betty Moore Foundation (Grant No. GBMF9461)and Princeton University; and support from the US DOE under the Basic Energy Sciences (DOE-BES) programme (Grant No. DOE/BES DE-FG-02- 05ER46200) for the theoretical work and extensive sample characterization. J.L.G.J., H.W., and W.X. were supported by the Beckman Young Investigator award. H.L. acknowledges support from the National Key R&D Program of China (Grants 2023YFA1406500 and 2022YFA1403800) and National Natural Science Foundation of China (Grant 12274459). S.S.T. acknowledges funding by MCIN/AEI/10.13039/501100011033 through Grant PID2021-129035NB-I00 and the European Union (H2020-MSCA-COFUND-2020-101034228-WOLFRAM2). T.N. acknowledges support from the Swiss National Science Foundation through a Consolidator Grant (iTQC, TMCG-2_213805). L.B. is supported by DOE-BES through the award DE-SC0002613. The National High Magnetic Field Laboratory acknowledges support from the US-NSF Cooperative agreement Grant number DMR-DMR-2128556 and the state of Florida. The authors acknowledge the use of Princeton’s Imaging and Analysis Center, which is partially supported by the Princeton Center for Complex Materials, a National Science Foundation (NSF)-MRSEC program (DMR-2011750). Y. G. has been supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) through Project-ID 314695032─SFB 1277. Work at Nanyang Technological University was supported by the National Research Foundation, Singapore, under its Fellowship Award (NRF-NRFF13-2021-0010), the Singapore Ministry of Education (MOE) Academic Research Fund Tier 3 grant (MOE-MOET32023-0003), and the Nanyang Assistant Professorship grant (NTU-SUG).
Keywords
- X-ray diffraction
- charge order
- chiral crystals
- phase transitions
- scanning tunneling microscopy
- semiconductors
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