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13 05, 2025

QUANTUM HEAT DYNAMICS TOGGLED BY MAGNETIC FIELDS

By |2025-05-13T09:00:19+00:00May 13th, 2025|SCI Highlights|0 Comments

Stanislaw Galeski, HLD and HFML-FELIX. The ability to transport heat is one of the most fundamental properties of matter, crucial for engineering applications. In most materials, at room temperature transport is well understood. Things, however, are not as straightforward under extreme conditions such as temperatures close to absolute zero or [...]

13 05, 2025

THERMODYNAMIC SIGNATURES OF IN-GAP FERMIONIC QUASIPARTICLE STATES IN A KONDO INSULATOR

By |2025-05-13T09:06:22+00:00May 13th, 2025|SCI Highlights|0 Comments

Zhuo Yang and Yoshimitsu Kohama, ISSP at University of Tokyo, Japan, Duncan K. Maude, LNCMI-Toulouse, Christophe Marcenat, CEA, IRIG, and PHELIQS, Grenoble. In the mixed-valence compound YbB12, thermal-conductivity measurements at low temperatures reveal highly mobile excitations that carry heat like in a metal but do not conduct electricity. The Wiedemann-Franz [...]

12 05, 2025

TUNING TERAHERTZ MAGNONS IN A MIXED VAN DER WAALS ANTIFERROMAGNET

By |2025-05-12T12:55:57+00:00May 12th, 2025|SCI Highlights|0 Comments

Florian Le Mardelé and Milan Orlita, LNCMI-Grenoble. Alloying stands out as a pivotal technological method employed across various compounds, be they metallic, magnetic, or semiconducting, serving to fine-tune their properties to meet specific requirements. Ternary semiconductors represent a prominent example of such alloys. They allow fine-tuning of electronic bands – [...]

12 05, 2025

EXCITING MOMENTS ON THE EDGE

By |2025-05-12T12:24:52+00:00May 12th, 2025|SCI Highlights|0 Comments

Raj Pandya, University of Warwick, UK, Chris Howard, University College London, UK, Peter Christianen, HFML-FELIX Nijmegen. For the first time, researchers have demonstrated that phosphorene nanoribbons – thin pieces of black phosphorus, only a few nanometers wide (figure 1, bottom) – exhibit both magnetic and semiconducting properties at room temperature. [...]

3 02, 2025

UNUSUAL METALLIC STATE IN SUPERCONDUCTING A15-TYPE La4H23

By |2025-02-03T16:42:30+00:00February 3rd, 2025|SCI Highlights|0 Comments

Toni Helm, HLD. Superhydrides are metallic hydride compounds that exhibit superconductivity (SC) under mega-bar pressure at extraordinarily high temperatures. The observation of superconducting critical temperatures, Tc, as high as 250 K has revived scientists' dream of room-temperature superconductivity. While current research has focused on pushing Tc even higher, room-temperature applications [...]

3 02, 2025

ILLUMINATING A FRONTIER: LUMINESCENT THERMOMETERS IN EXTREME MAGNETIC FIELDS

By |2025-02-03T16:02:09+00:00February 3rd, 2025|SCI Highlights|0 Comments

Jérôme Long, ICGM, Montpellier, France, Luís D. Carlos, University of Aveiro, Portugal, Paulina Plochocka, LNCMI Toulouse. Luminescence thermometry has gained significant attention as a versatile and non-invasive tool for remote temperature measurements in diverse fields, including nanomedicine, microelectronics, catalysis, and plasmonics. One of its perceived advantages is the presumed immunity [...]

3 02, 2025

PROBING BERRY CURVATURE IN A MAGNETIC TOPOLOGICAL INSULATOR USING MAGNETO-OPTICS

By |2025-02-03T15:32:43+00:00February 3rd, 2025|SCI Highlights|0 Comments

Badih Assaf, University of Notre Dame, USA, Milan Orlita, LNCMI-Grenoble. Magnetic circular dichroism (MCD) is a widely known phenomenon with a long history in physics that dates back to the original experiments carried out by Faraday, dealing with the interaction of light with matter subjected to an externally applied magnetic [...]

3 02, 2025

UNCONVENTIONAL ELECTRONIC STATES IN OXIDE INTERFACES

By |2025-02-03T14:34:17+00:00February 3rd, 2025|SCI Highlights|0 Comments

Km Rubi, NHMFL, Los Alamos, USA, Walter Escoffier, LNCMI Toulouse, Uli Zeitler, HFML-FELIX Nijmegen. In the last two decades, two-dimensional electron systems (2DES) have been observed at the surfaces and interfaces of severalperovskite transition-metal oxides, so-called complex oxides. In particular, the widely studied 2DESs based on SrTiO3 (STO) and KTaO3 [...]

12 11, 2024

EXPERIMENTAL OBSERVATION OF REPULSIVELY BOUND MAGNONS

By |2024-11-12T12:37:29+00:00November 12th, 2024|SCI Highlights|0 Comments

Sergei Zvyagin, HLD. The importance of attractive forces, stabilizing multi-particle bound states in condensed matter is generally accepted. By contrast, multiparticle bound states stabilized by means of repulsive forces were long thought to be only theoretical constructions, due to the strong dissipative channels present in real materials. Recently, Zhe Wang [...]

12 11, 2024

CHARGE ORDER NEAR THE ANTIFERROMAGNETIC QUANTUM CRITICAL POINT IN THE TRILAYER HIGH-TC CUPRATE HgBa2Ca2Cu3O8+δ

By |2024-11-12T11:53:03+00:00November 12th, 2024|SCI Highlights|0 Comments

V. Oliviero, D. Vignolles, C. Proust, LNCMI Toulouse, W. A. Atkinson, Trent University, Canada. The ubiquity of the interplay between antiferromagnetic (AFM) order, charge density waves (CDWs), and superconductivity is a general feature of hole-doped cuprates. The role of AFM order is still strongly debated, although the pairing mechanism is [...]

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