Search results for photoemission

Condensed Matter Apr 17, 2024

A new spin on materials analysis: Benefits of probing electron spin states at much higher resolution and efficiency

Electron spin states can now be probed at much higher resolution and more efficiently, opening new opportunities in materials analysis and data processing technologies.

Condensed Matter Apr 10, 2024

Physicists discover a novel quantum state in an elemental solid

Physicists have observed a novel quantum effect termed "hybrid topology" in a crystalline material. This finding opens up a new range of possibilities for the development of efficient materials and technologies for next-generation ...

Condensed Matter Mar 19, 2024

Spectroscopy and theory shed light on excitons in semiconductors

From solar panels on our roofs to the new OLED TV screens, many everyday electronic devices simply wouldn't work without the interaction between light and the materials that make up semiconductors. A new category of semiconductors ...

Analytical Chemistry Mar 19, 2024

Molecular orientation is key: Shining new light on electron behavior using 2-photon photoemission spectroscopy

Organic electronics is a field that has garnered significant interest in academic and industrial circles due to its potential applications in OLEDs and organic solar cells, offering advantages such as lightweight design, ...

Condensed Matter Mar 12, 2024

Powerful new tool ushers in new era of quantum materials research

Research in quantum materials is paving the way for groundbreaking discoveries and is poised to drive technological advancements that will redefine the landscapes of industries like mining, energy, transportation, and medtech.

Condensed Matter Mar 6, 2024

Weird electron behavior gets even weirder: Charge fractionalization observed spectroscopically

A research team led by the Paul Scherrer Institute has spectroscopically observed the fractionalization of electronic charge in an iron-based metallic ferromagnet. Experimental observation of the phenomenon is not only of ...

Condensed Matter Feb 14, 2024

Altermagnetism: A new type of magnetism, with broad implications for technology and research

There is now a new addition to the magnetic family: thanks to experiments at the Swiss Light Source SLS, researchers have proved the existence of altermagnetism. The experimental discovery of this new branch of magnetism ...

Optics & Photonics Feb 12, 2024

Measuring exciton 'holes': Insights into charge transfer at atomically thin interfaces between semiconductors

Semiconductors are ubiquitous in modern technology, working to either enable or prevent the flow of electricity. In order to understand the potential of two-dimensional semiconductors for future computer and photovoltaic ...

Condensed Matter Feb 9, 2024

Evidence that atomically thin hafnium telluride is an excitonic insulator

The condensation of excitons with non-zero momentum can give rise to so-called charge density waves (CDW). This phenomenon can prompt the transition of materials into a fascinating new quantum phase, known as an excitonic ...

Condensed Matter Feb 9, 2024

New research demonstrates how to study low concentrations of electrons in complex oxide films

Semiconductors in modern electronics rely on small quantities of added impurity elements, called dopants, that alter the ability of the material to conduct electricity. While the role of these dopants is often straightforward, ...

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