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Advanced materials 35(17), 2209759 (2023). doi:10.1002/adma.202209759, Exchange bias (EB) is highly desirable for widespread technologies. Generally, conventional exchange-bias heterojunctions require excessively large cooling fields for sufficient bias fields, which are generated by pinned spins at the interface of ferromagnetic and antiferromagnetic layers. It is crucial for applicability to obtain considerable exchange-bias fields with minimum cooling fields. Here, an exchange-bias-like effect is reported in a double perovskite, Y$_2$NiIrO$_6$, which shows long-range ferrimagnetic ordering below 192 K. It displays a giant bias-like field of 1.1 T with a cooling field of only 15 Oe at 5 K. This robust phenomenon appears below 170 K. This fascinating bias-like effect is the secondary effect of the vertical shifts of the magnetic loops, which is attributed to the pinned magnetic domains due to the combination of strong spin–orbit coupling on Ir, and antiferromagnetically coupled Ni- and Ir-sublattices. The pinned moments in Y$_2$NiIrO$_6$ are present throughout the full volume, not just at the interface as in conventional bilayer systems., Published by Wiley-VCH, Weinheim

Additional file 1: Fig. S1. Soil water content. Statistical significance was identified by the Wilcoxon test with false discovery rate (FDR)-corrected pairwise P values. *, P

In this paper, a method combining the distance variation function (DVF) and image source method (ISM) is presented to generate binaural 3D audio with accurate feeling of distance. The DVF is introduced to indicate the change in intensity and inter-aural difference when the distance between listener and source changes. Then an artificial reverberation simulated by ISM is added. The reverberation introduces the energy ratio of direct-to-reverberant, which provides an absolute cue to distance perception. The distance perception test results indicate improvement for distance perception when sound sources located within 50 cm. In addition, the variance of perceptual distance was much smaller than that using DVF only. The reduction of variance is a proof that the method proposed in this paper can generate 3D audio with more accurate and steadier feeling of distance.

By using RFID and ZigBee technologies, a novel collection system of logistics management is proposed, in which the data collection terminal with real-time data transmission, data graphics management and multi-thread task scheduling is designed. In the simulation studies, communication characteristic test and analysis are given. The simulation results demonstrate that our proposed system is feasible and the system functions such as RF-Information collection, wireless transmission and information real-time trace are realized.

A multi-objective operation model is proposed in this paper to deal with a multi-product, multi-period supply chain consisting of a supplier and a producer. In this supply chain, the amount of raw materials supply and their prices, ultimate products demand and their prices are uncertain. The uncertainties of prices are described by the uncertain intervals; the supplies and demands are described as a scenario set with certain probability. The model is constructed as a multi-objective programming problem to satisfy several conflict objectives, such as the operating coordination of supply chain, making the maximum profit of all participants as much as possible, and robustness of decision to uncertain markets. The result of a numerical example shows that the model we proposed is robust.

Under the synthetically consideration of re-distribution, remanufacturing and reuse, the dynamic operation models for a closed-loop supply chain is established. The supply chain is composed of one manufacturer and one supplier, in which the manufacturer is in charge of recollecting and re-disposal the used products. The operations of closed-loop supply chain are dynamic and meet multi-objectives such as coordination between members, maximum profits of each member. Uncertain demands are described as a scenario set with certain probability, the supply chain operation model is constructed by using the robust linear programming method based on scenario analysis. The result of a numerical example verified the robustness of the operation strategy.