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Related Experiment Video

Updated: Mar 19, 2026

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

Published on: March 24, 2019

Long-range charge-density-wave proximity effect at cuprate/manganate interfaces.

A Frano^1,2, S Blanco-Canosa¹, E Schierle²

¹Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany.

Nature Materials

|June 21, 2016

Summary

Interfaces enhance charge density waves (CDWs) in high-temperature superconductors. This proximity effect stabilizes CDWs, offering new ways to study their interplay with superconductivity in metal oxides.

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Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

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Area of Science:

Condensed Matter Physics
Materials Science
Solid State Chemistry

Background:

Investigating the relationship between charge density waves (CDWs) and high-temperature superconductivity is crucial.
Experimental challenges include disorder effects in bulk copper oxides and difficulty accessing CDW states in high magnetic fields.

Purpose of the Study:

To investigate how interfaces affect CDW formation in high-temperature superconductors.
To explore the potential of heterointerfaces in manipulating collective electronic phenomena.

Main Methods:

Utilized resonant X-ray scattering in zero magnetic field.
Studied the optimally doped superconductor YBa2Cu3O6+δ (δ ∼ 1) at interfaces with La2/3Ca1/3MnO3.

Main Results:

Interfaces with La2/3Ca1/3MnO3 significantly enhance CDW formation in YBa2Cu3O6+δ.
This enhancement effect persists over tens of nanometres.
The CDW wavevector confirmed charge carrier concentration, ruling out oxygen non-stoichiometry and indicating an electronic proximity effect.

Conclusions:

Heterointerfaces can induce long-range proximity effects, stabilizing the CDW state in cuprates.
This approach provides a powerful method to manipulate the interplay between CDWs and superconductivity.
The findings offer new avenues for controlling collective phenomena in metal oxides.