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An international collaboration, including contributions from Italy's Cnr-Spin and the University of Padua, has identified a new mechanism through which light interacts with quantum materials. The phenomenon, described in the journal Advanced Materials, , has been named the MISOH effect (Multipolar-Induced Spin–Optical Helicity effect) and could pave the way for new technologies in future electronics.
How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
An international collaboration
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The role of kagome materials
Researchers observed the effect in a material with a kagome structure, an emerging class of quantum materials characterised by a particular electronic lattice geometry and properties such as superconductivity. The name refers to the weave of traditional Japanese bamboo baskets, which this structure resembles.
Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
An international collaboration
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The role of kagome materials
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Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
An international collaboration
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The role of kagome materials
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Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
An international collaboration
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The role of kagome materials
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Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
An international collaboration
The study involved numerous international partners, including the University of Krakow, the Soleil Synchrotron in Paris, and the University of California at Santa Barbara. For Italy, the Istituto Officina dei Materiali of Cnr and the Universities of Salerno and Bologna also participated.
The role of kagome materials
Researchers observed the effect in a material with a kagome structure, an emerging class of quantum materials characterised by a particular electronic lattice geometry and properties such as superconductivity. The name refers to the weave of traditional Japanese bamboo baskets, which this structure resembles.
Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
An international collaboration
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The role of kagome materials
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Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
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The role of kagome materials
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Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
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The role of kagome materials
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
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The role of kagome materials
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Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
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The role of kagome materials
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Potential applications
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
An international collaboration
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The role of kagome materials
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Potential applications
In addition to its fundamental scientific value, the discovery could have significant practical applications. The MISOH effect, in fact, opens up prospects for developing ultra-fast and energy-efficient devices, with potential uses in highly sensitive sensors and innovative systems for next-generation information processing.
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How the new effect works
According to researchers, when these materials are illuminated, electrons with polarised spin are generated, a sort of "internal rotation," whose direction depends on the rotation of the light, i.e., its right or left helicity. This response allows for obtaining unprecedented information on the internal electronic organisation of the material."This interaction encodes deep information about the electronic structure of quantum matter, going beyond the typical mechanisms observed in traditional magnets," explain Mario Cuoco from Cnr-Spin and Federico Mazzola from the University of Padua.
The frontier of multipolartronics
The discovery also introduces a new study paradigm, defined as "multipolartronics," based on the analysis of multipolar spin-orbit interactions. This approach is different from both traditional electronics, which is based on electric charge, and spintronics, which exploits electron spin, as it focuses on more complex electronic configurations within materials.
An international collaboration
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The role of kagome materials
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Potential applications
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