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Research Highlight | Center for Nanoscale Materials

Topological kink plasmons demonstrated experimentally

In a study published in Nature Communications, researchers demonstrated kink magnetoplasmon (KMP) architecture could be generalized to more complex magnetic patterns useful for novel integrated topological circuits.

Scientific Achievement

For the first time, high-frequency topological kink modes — kink magnetoplasmons (KMPs) — have been demonstrated in a unique device featuring biased magnetic domains.

Significance and Impact

The demonstrated KMP architecture could be generalized to more complex magnetic patterns useful for novel integrated topological circuits.

Research Details

  • KMPs localized at the magnetic domain boundaries in a homogeneous two-dimensional electron gas were experimentally demonstrated.
  • Sample processing used a scanning electron-beam and focused ion beam system, and low-temperature sample characterization used a dilution refrigerator system; both systems are at the Center for Nanoscale Materials (CNM).

Work was performed in part at CNM.


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About Argonne’s Center for Nanoscale Materials
The Center for Nanoscale Materials is one of the five DOE Nanoscale Science Research Centers, premier national user facilities for interdisciplinary research at the nanoscale supported by the DOE Office of Science. Together the NSRCs comprise a suite of complementary facilities that provide researchers with state-of-the-art capabilities to fabricate, process, characterize and model nanoscale materials, and constitute the largest infrastructure investment of the National Nanotechnology Initiative. The NSRCs are located at DOE’s Argonne, Brookhaven, Lawrence Berkeley, Oak Ridge, Sandia and Los Alamos National Laboratories. For more information about the DOE NSRCs, please visit https://​sci​ence​.osti​.gov/​U​s​e​r​-​F​a​c​i​l​i​t​i​e​s​/​U​s​e​r​-​F​a​c​i​l​i​t​i​e​s​-​a​t​-​a​-​G​lance.

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