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Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope
Published on: March 24, 2019
Ferro-orbitally ordered stripes in systems with alternating orbital order.
1Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Straße 38, 01187 Dresden, Germany.
Physical Review Letters
|September 28, 2010
Summary
We discovered a new stripe formation mechanism in doped materials. This involves ferro-orbital order domain walls enabling deconfined hole motion, leading to stable solitonic stripes.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Solid-State Physics
Background:
- Doped materials with orbital degeneracy exhibit complex electronic phases.
- Understanding stripe formation is crucial for designing novel electronic devices.
Purpose of the Study:
- To elucidate a novel mechanism for stripe formation in doped systems with alternating t(2g) orbital order.
- To investigate the role of ferro-orbital order and hole concentration in stripe stability.
Main Methods:
- Theoretical modeling of electronic systems with orbital order.
- Analysis of domain wall structures and their impact on charge carrier motion.
Main Results:
- A novel stripe formation mechanism involving ferro-orbital ordered domain walls was established.
- These domain walls allow deconfined motion of holes along the stripe.
- Solitonic stripes are stabilized at finite hole concentrations.
Conclusions:
- The study reveals a new pathway for stripe formation in orbitally degenerate materials.
- Ferro-orbital order plays a key role in stabilizing these stripes.
- Findings offer insights into the physics of doped correlated electron systems.
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