Results 201 to 210 of about 4,291,467 (251)
Advanced Materials, EarlyView.This review examines passive, active, and hybrid liquid manipulation strategies, highlighting hybrid approaches as an emerging route to reconcile energy efficiency with adaptive control. By actively reconstructing passive surfaces to store programmable interfacial energy, hybrid systems enable flexible yet low‐power liquid transport, with perspectives ...
Jiaqi Miao +3 more
wiley +1 more source
Establishing Atomic Coherence in Twisted Oxide Membranes Containing Volatile Elements
Advanced Materials, EarlyView.Twisted oxide membranes containing volatile elements often suffer from amorphous interfacial dead layers that suppress coupling. An oxygen‐annealing strategy establishes atomically coherent and chemically bonded interfaces in twisted NaNbO3 membranes, enabling coherent oxide moiré architectures in volatile‐element‐containing systems.
Young‐Hoon Kim +6 more
wiley +1 more source
Above Room Temperature Ferroelectricity in Epitaxially Strained KTaO3
Advanced Materials, EarlyView.Through precise epitaxial engineering, the cubic and paraelectric KTaO3${\rm KTaO}_3$ is transformed into a robust ferroelectric. By leveraging lattice‐mismatched substrates to apply controlled epitaxial strain, a stable ferroelectric ground‐state is achieved with a transition temperature as high as 475 K, establishing KTaO3${\rm KTaO}_3$ as a highly ...
Tobias Schwaigert +11 more
wiley +1 more source
Advanced Materials, EarlyView.This work introduces sustainable PLA/graphene oxide bioelectronic interfaces featuring electrodes with tunable conductivity and strong electrocatalytic performance. These platforms were used to implement a new method for tuning astrocyte Ca2+ signaling and for the efficient detection of key biomarkers.
Alessandra Scidà +15 more
wiley +1 more source
Adsorption‐Engineered Hydrocarbon Ionomers for Durable Proton‐Exchange Membrane Fuel Cells
Advanced Materials, EarlyView.Hydrocarbon ionomers suffer from oxidation‐driven interfacial degradation in PEM fuel cell cathodes, leading to catalyst instability. Here, adsorption‐engineered poly(fluorene) ionomers decouple interfacial anchoring from oxidative degradation, enabling strong catalyst–ionomer interactions while resisting electrochemical oxidation.
Heemin Park +14 more
wiley +1 more source
Tailoring Symmetry Breaking in Engineered van der Waals Superlattices
Advanced Materials, EarlyView.We pioneer a scheme to tailor superpotentials in graphene based on intrinsic substrate electronic orders rather than twist angle. The resulting superpotential folds graphene's Dirac cones to either Γ$\Gamma$ or K‐points, leading to distinct symmetry behaviors.
Keda Jin +7 more
wiley +1 more source
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The Kronecker theta function and a decomposition theorem for theta functions I
Ramanujan Journal, 2021The Kronecker theta function \(K_y(z|\tau)\) is a quotient of the Jacobi theta functions, given by \[ K_y(z|\tau)=\frac{\theta'_1(0|\tau)\theta_1(z+y|\tau)}{\theta_1(z|\tau)\theta_1(y|\tau)}, \tag{1} \] where \(\operatorname{Im}\tau>0\) and \begin{align*} \theta_1(z|\tau) &=2\sum_{n=0}^\infty(-1)^nq^{(2n+1)^2/8}\sin(2n+1)z,\\ \theta'_1(0|\tau) &=2q^{1 ...
Zhi-Guo Liu, Liu Zhi-Guo
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Hyperquasipolynomials for the Theta-Function
Functional Analysis and Its Applications, 2018An entire function \(f\) is hyperquasipolynomial w.r.t. a function \(g: \mathbb{C}\to \mathbb{C}\) if \(f\) satisfies \[ f(x+y)g(x-y)=\sum_{j=1}^r \alpha_j(x) \beta_j(y) \] for some \(r\in \mathbb{N}\) and functions \(\alpha_j, \beta_j: \mathbb{C} \to \mathbb{C}\) [\textit{V. A. Bykovskii}, Funct. Anal. Appl. 50, No.
Illarionov, A. A., Romanov, M. A.
exaly +2 more sources