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Switching spin states in manganese ions with light opens new path for molecular memory
United Kingdom🔬 Science4 days ago

Switching spin states in manganese ions with light opens new path for molecular memory

Researchers at Johannes Gutenberg University Mainz (JGU) have developed a new manganese-based material that enables molecular memory devices to operate at higher temperatures compared to previous iron-based systems. Traditional iron-based materials required temperatures as low as 100 Kelvin (-173°C), limiting practical applications due to cooling demands. The manganese-based material achieves operation at approximately -132°C, representing an 11-Kelvin increase over prior iron-based systems. This advancement could reduce energy costs associated with maintaining low temperatures for data storage. The material uses manganese paired with N-heterocyclic carbene ligands, which stabilize the low-spin state and create a high energy barrier between spin states. The findings were published in *Nature Chemistry*.

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Phys.org logoPhys.orgIndependentCenter4 days ago
Switching spin states in manganese ions with light opens new path for molecular memory

Researchers at Johannes Gutenberg University Mainz (JGU) have developed a new manganese-based material that enables molecular memory devices to operate at higher temperatures compared to previous iron-based systems. Traditional iron-based materials required temperatures as low as 100 Kelvin (-173°C), limiting practical applications due to cooling demands. The manganese-based material achieves operation at approximately -132°C, representing an 11-Kelvin increase over prior iron-based systems. This advancement could reduce energy costs associated with maintaining low temperatures for data storage. The material uses manganese paired with N-heterocyclic carbene ligands, which stabilize the low-spin state and create a high energy barrier between spin states. The findings were published in *Nature Chemistry*.

Bias read (Center): The article presents scientific research without overt ideological framing. It focuses on technical advancements in materials science and their implications for data storage technology. There is no indication of partisan bias or loaded language. The tone remains objective, emphasizing empirical data

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