Results 61 to 70 of about 110,582 (265)

Fast‐Responding O2 Gas Sensor Based on Luminescent Europium Metal‐Organic Frameworks (MOF‐76)

open access: yesAdvanced Functional Materials, Volume 36, Issue 43, 29 May 2026.
Luminescent MOF‐76 materials based on Eu(III) and mixed Eu(III)/Y(III) show rapid and reversible changes in emission intensity in response to O2 with very short response times. The effect is based on triplet quenching of the linker ligands that act as photosensitizers. Average emission lifetimes of a few milliseconds turn out to be mostly unaffected by
Zhenyu Zhao   +5 more
wiley   +1 more source

Quantum Lifshitz points in an altermagnetic superconductor

open access: yesAAPPS Bulletin
We predict the existence of two tri-critical quantum Lifshitz points in recently discovered d-wave altermagnetic metals subjected to an external magnetic field.
Hui Hu, Xia-Ji Liu
doaj   +1 more source

Breakdown of emergent Lifshitz symmetry in holographic matter with Harris-marginal disorder

open access: yesJournal of High Energy Physics, 2020
We revisit the theory of strongly correlated quantum matter perturbed by Harris-marginal random-field disorder, using the simplest holographic model. We argue that for weak disorder, the ground state of the theory is not Lifshitz invariant with a non ...
Koushik Ganesan, Andrew Lucas
doaj   +1 more source

Electroactive Metal–Organic Frameworks for Electrocatalysis

open access: yesAdvanced Functional Materials, Volume 36, Issue 43, 29 May 2026.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska   +7 more
wiley   +1 more source

Altermagnetism-driven FFLO superconductivity in finite-filling 2D lattices

open access: yesAAPPS Bulletin
We systematically investigate the emergence of finite-momentum Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconductivity in a square lattice Hubbard model with finite filling, driven by either $$d_{xy}$$ -wave or $$d_{x^{2}-y^{2}}$$ -wave altermagnetic ...
Xia-Ji Liu, Hui Hu
doaj   +1 more source

Temporal quantum theory [PDF]

open access: yesPhysical Review A, 1999
We propose a framework for temporal quantum theories for the purpose of describing states and observables associated with extended regions of space time quantum mechanically. The proposal is motivated by Isham's history theories. We discuss its relation to Isham's history theories and to standard quantum mechanics.
openaire   +2 more sources

On‐Surface Indigo‐Based Bimolecular Coordination Networks with Programmable Regular or Vitreous Structure

open access: yesAdvanced Functional Materials, Volume 36, Issue 43, 29 May 2026.
A previously unreported coordination motif stabilising single Fe atoms by indigo chelation and pyridyl coordination on Au(111) has been revealed. By using planar tritopic pyridyl linkers (TPyB), extended 2D porous networks of indigo3(TPyB)2Fe6 form. These networks can be crystalline or vitreous and offer an environment where individual coordination ...
Hongxiang Xu   +9 more
wiley   +1 more source

Exact calculation of spectral properties of a particle interacting with a one-dimensional Fermi gas in optical lattices

open access: yesAAPPS Bulletin
By using the exact Bethe wavefunctions of the one-dimensional Hubbard model with N spin-up fermions and one spin-down impurity, we derive an analytic expression of the impurity form factor, in the form of a determinant of a $$(N+1)$$ ( N + 1 ) by $$(N+1)$
Xia-Ji Liu, Hui Hu
doaj   +1 more source

Photoswitching Conduction in Framework Materials

open access: yesAdvanced Functional Materials, Volume 36, Issue 43, 29 May 2026.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez   +4 more
wiley   +1 more source

Quantum switch instabilities with an open control

open access: yesCommunications Physics
The superposition of causal orders shows promise in various quantum technologies. However, the fragility of quantum systems arising from environmental interactions, leading to dissipative behavior and irreversibility, demands a deeper understanding of ...
Otavio A. D. Molitor   +5 more
doaj   +1 more source

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