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In superconducting quantum circuits, Josephson junctions are a key component to provide nonlinearity and enable superconducting qubits. Fabricating junctions with precise critical currents is crucial to defining qubit frequency. Here we suppress the critical current variation of Josephson junctions by varying the critical current density Jc and junction areas. The relative standard deviation of the critical current Ic is controlled to be below 0.8%. This uniform fabrication is promising for realizing scalable superconducting quantum computation. [ABSTRACT FROM AUTHOR]

Simple Summary: With the rapid development of aquaculture, searching for alternative lipid sources to fish oil has become an important task for the aqua-feed industry. Lard is regarded as a valuable alternative lipid source. Basa fish (Pangasius bocourti) offal oil also has a large annual production and high potential to be used in fish feeds. Evaluation of the efficacy of lard and Basa fish offal oil in fish feeds will provide useful information for their application in aquaculture. Both lard and Basa fish offal oil have high levels of saturated fatty acids and monounsaturated fatty acids. The "n-3 LC-PUFA sparing effects" of saturated fatty acids and monounsaturated fatty acids in fish feeds have been observed in many fish species. The present study was also aimed at validating the "n-3 LC-PUFA sparing effects" of saturated fatty acids and monounsaturated fatty acids in lard and Basa fish offal oil. Moreover, the effects of dietary lard and Basa fish offal oil on fish body composition and muscle quality were also evaluated. Lard (LD) and Basa fish offal oil (BFO) have similar fatty acid profiles, both containing high contents of saturated fatty acids (SFA) and monounsaturated fatty acids (MUFA). The present study aimed to investigate the efficacy of partial or complete replacement of marine fish oil (MFO, herring oil) by LD or BFO in the diets of tiger puffer. The control diet contained 49.1% crude protein and 9.28% crude lipid content including 6% added MFO. In other diets, 1/3, 2/3, and 3/3 of the added MFO was replaced by LD or BFO, respectively. Each diet was fed to triplicate tanks of juvenile fish (initial body weight, 13.88 g). A 46-day feeding trial was conducted in a flow-through seawater system. Each diet was fed to triplicate 200-L rectangular polyethylene tanks, each of which was stocked with 30 fish. Fish were fed to satiation three times a day. The complete replacement of added MFO (replacing 65% of the total crude lipid) had no adverse effects on fish growth performance in terms of survival (>94%), weight gain (360–398%), feed intake (2.37–3.04%), feed conversion ratio (0.84–1.02), and somatic indices. The dietary LD or BFO supplementation also had marginal effects on fish body proximate composition, biochemical parameters, muscle texture, and water-holding ability, as well as the hepatic expression of lipid metabolism-related genes. Partial (2/3) replacement of added MFO by LD or BFO did not significantly reduce the muscle n-3 LC-PUFA content, indicating the n-3 LC-PUFA sparing effects of SFA and MUFA in LD and BFO. In general, dietary LD or BFO reduced the peroxidation level and led to significant changes in the muscle volatile flavor compound profile, which were probably attributed to the change in fatty acid composition. The results of this study evidenced that LD and BFO are good potential lipid sources for tiger puffer feeds. [ABSTRACT FROM AUTHOR]

Mixed matrix composite membranes (MMCMs) hold great potential to realize efficient CO 2 removal from natural gas. However, the reduction of separation performance arising from the interfacial defects, significant plasticization and aging effect in the thin films severely limit their application. Herein, we fabricated a series of polyimide MMCMs with MOF-protruding structure wherein amino-functionalized ZIF-8 nanocrystals nearly penetrate the thin selective layer. Through engineering the interfacial interactions, e.g., covalent or hydrogen bondings, we successfully fabricated defect-free MMCMs with the thickness ranging from 140 to 280 nm. The stronger interfacial interactions eliminate the interfacial defects and restrict the mobility of polymer chains under high pressure. Accordingly, the MMCM displays a high CO 2 permeance of 778 GPU and a CO 2 /CH 4 selectivity of 34 with significantly improved resistance to plasticization and aging. Considering the superior performance, we anticipate our work could provide guidelines on designing advanced MMMs to tackle critical separations. [Display omitted] • Defect-free mixed matrix composite membranes (MMCMs) are fabricated by engineering the hydrogen or covalent bonding in 140-280 nm thick selective layer. • Embedded amino-functionalized MOFs nearly penetrate the polymer matrix and thus facilitate the CO 2 permeation. • The resulting MMCM shows an outstanding CO 2 /CH 4 separation performance as well as improved plasticization and aging resistance, surpassing most the reported composite MMMs. [ABSTRACT FROM AUTHOR]

Metal organic frameworks (MOFs) hold great potential as one of the most promising membrane materials for propylene/propane separation which is a challenging process in petrochemical industries. However, the dramatic performance decline of MOF-based membranes arising from either increased feed pressure or blended polymer limits their application. Here, we demonstrate mixed matrix membranes (MMMs) with ZIF-8 direct-through channels (DTC) can delicately solve the above two critical problems. The 6FDA-DAM polymer network surrounding ZIF-8 was speculated to restrain the linker or seal the defects between ZIF-8 crystals. Accordingly, DTC-MMMs exhibit weakly pressure-dependent separation performance. At a feed pressure of 6 bar, the separation factor decrease of DTC-MMMs is only 9.1% in comparison with 35.7, 54.1, and 52.3% from conventional mixed matrix membranes (cMMMs), 6FDA-DAM and ZIF-8, respectively. Meanwhile, the DTC-MMMs exhibit a high propylene permeability of 582 Barrer and propylene/propane separation factor of 42.8, which is respectively 8.6 and 2.1 times higher than those from the state-of-the-art cMMMs and retains nearly 70% of the ZIF-8 crystal's separation performance according to Maxwell modeling. Considering the high-pressure stability, superior separation performance, and solution-processability, we anticipate that the DTC-MMMs could pave a new avenue to the design of next-generation MMMs for diverse molecular separations. [Display omitted] • A new class of mixed matrix membrane (MMM) with direct-through channels (DTC) is developed. • Embedded MOF crystals nearly penetrate the polymer matrix and thus dominate the separation performance. • Exceptionally high-pressure stability at 6 bar and outstanding C 3 H 6 /C 3 H 8 separation performance are achieved. • The transport mechanism is elucidated by Maxwell and in-parallel flow models. [ABSTRACT FROM AUTHOR]

Abstract: A novel kind of porous carbon nitride was prepared by pyrolysis of polymerized ethylenediamine using H-magadiite as the template. This material was characterized by XRD, FT-IR, XPS, and nitrogen sorption at 77 K. The BET surface area, pore volume and the median pore width are 436 m2/g, 0.69 cm3/g and 0.84 nm, respectively, based on the N2 sorption. Using glass carbon electrodes modified by this material, an excellent linear determination range (0.05–0.99 μM) with a low detected concentration limit of 6.9×10−3 μM could be obtained on the determination of differential pulse voltammetries of dopamine in the presence of 400-fold excess of ascorbic acid. [Copyright &y& Elsevier]

We demonstrate an active reset protocol in a superconducting quantum circuit. The thermal population on the excited state of a transmon qubit is reduced through driving the transitions between the qubit and an ancillary qubit. Furthermore, we investigate the efficiency of this approach at different temperatures. The result shows that population in the first excited state can be dropped from 7% to 2.55% in 27 ns at 30 mK. The efficiency improves as the temperature increases. Compared to other schemes, our proposal alleviates the requirements for measurement procedure and equipment. With the increase of qubit integration, the fast reset technique holds the promise of improving the fidelity of quantum control. [ABSTRACT FROM AUTHOR]

Fabricating ultrathin covalent organic framework (COF) membranes toward high‐permeance molecular separations is highly desired yet challenging. Herein, a polyelectrolyte‐mediated assembly (PMA) strategy is developed to fabricate ultrathin ionic COF membrane for efficient CO2 separation. The PMA strategy allows a facile control over the assembly mode between polyethyleneimine (PEI) and TpPa‐SO3H, yielding PEI‐bridged ultra‐large COF nanosheets which are readily processed into COF membranes with thickness down to 8 nm. The resulting COF membranes exhibit a high CO2 permeances of 1371 GPU and CO2/N2 selectivity of 33 for stimulated flue gas. This PMA strategy may open up a new avenue to fabricating ultrathin 2D material membranes for diverse applications. [ABSTRACT FROM AUTHOR]

Metal–organic frameworks (MOFs) are one of the most promising membrane materials for olefin/paraffin separations. However, most of MOF membranes have a thickness over 1 µm, which greatly compromises the permeation flux. While previous studies are focused on increasing crystal nucleus density on the substrates, achieving ultrathin membrane via modulation of the crystal growth is lacking. Herein, an inhibited Ostwald ripening (IOR) strategy is proposed to fabricate ultrathin ZIF‐8 membranes, through incorporating polymer‐based inhibitors into the membrane formula to inhibit the growth process of ZIF‐8 crystals via the metal–organic coordination. The IOR process can be readily tuned by varying the functional groups, molecular weights, and concentrations of the inhibitors, enabling a facile control over the IOR degree and thus the membrane thickness. Consequently, the thickness of ZIF‐8 membranes can be dramatically reduced to 180 nm. The resulting membranes exhibit ultrahigh C3H6/C3H8 separation performance with C3H6 permeance of 386 GPU and C3H6/C3H8 separation factor of 120. It is anticipated that this straightforward and efficient IOR strategy can open a new avenue for the fabrication of ultrathin MOF membranes to tackle many critical molecular separations. [ABSTRACT FROM AUTHOR]

Covalent organic framework (COF) membranes with tunable ordered channels and free organic groups hold great promise in molecular separations owing to the synergy of physical and chemical microenvironments. Herein, we develop a defect engineering strategy to fabricate COF membranes for efficient CO2 separation. Abundant amino groups are in situ generated on the COF nanosheets arising from the missing‐linker defects during the reactive assembly of amine monomer and mixed aldehyde monomers. The COF nanosheets are assembled to fabricate COF membranes. Amino groups, as the CO2 facilitated transport carriers, along with ordered channels endow COF membrane with high CO2 permeances exceeding 300 GPU and excellent separation selectivity of 80 for CO2/N2, and 54 for CO2/CH4 mixed gas under humidified state. Our defect engineering strategy offers a facile approach to generating free organic functional groups in COF membranes and other organic framework membranes for diverse chemical separations. [ABSTRACT FROM AUTHOR]

Covalent organic framework (COF) membranes with tunable ordered channels and free organic groups hold great promise in molecular separations owing to the synergy of physical and chemical microenvironments. Herein, we develop a defect engineering strategy to fabricate COF membranes for efficient CO2 separation. Abundant amino groups are in situ generated on the COF nanosheets arising from the missing‐linker defects during the reactive assembly of amine monomer and mixed aldehyde monomers. The COF nanosheets are assembled to fabricate COF membranes. Amino groups, as the CO2 facilitated transport carriers, along with ordered channels endow COF membrane with high CO2 permeances exceeding 300 GPU and excellent separation selectivity of 80 for CO2/N2, and 54 for CO2/CH4 mixed gas under humidified state. Our defect engineering strategy offers a facile approach to generating free organic functional groups in COF membranes and other organic framework membranes for diverse chemical separations. [ABSTRACT FROM AUTHOR]

In superconducting quantum circuits, airbridges are critical for eliminating parasitic slotline modes of coplanar waveguide circuits and reducing crosstalks between direct current magnetic flux biases. Here, we present a technique for fabricating superconducting airbridges. With this technique, a single layer of photoresist is employed, and the gradient exposure process is used to define the profile of airbridges. In order to properly obtain the bridge profile, we design exposure dosage based on residual photoresist thickness and laser power calibrations. Compared with other airbridge fabrication techniques, the gradient exposure fabrication technique provides the ability to produce lossless superconducting airbridges with flexible size and, thus, is more suitable for large-scale superconducting quantum circuits. Furthermore, this method reduces the complexity of the fabrication process and provides a high fabrication yield. [ABSTRACT FROM AUTHOR]

[Display omitted] • COF-based membranes are utilized for C 3 H 6 /C 3 H 8 separation for the first time. • Large-sized COF pores can achieve maximum contact between Ag+ and C 3 H 6 molecules. • High-density Ag+ facilitates C 3 H 6 confined transport along nanochannel surface. • Density differences result in asymmetric structure and directional transport. • Confined mechanism with asymmetric structure provide superior separation performance. Energy-efficient membrane technology is sought to replace or integrate with conventional energy- and cost-intensive distillation for precise propylene/propane separation. Covalent organic framework (COF)-based composite membranes (CMs) are promising candidates for the representative difficult propylene/propane separation system. However, the large-size pore of COFs cannot achieve an effective separation of gas pairs with sub-angstrom (0.2 Å) size differences. Here, we design confined facilitated transport nanochannels within COFs as productive fillers to construct CMs. The anchored high-density Ag+ carriers facilitate C 3 H 6 monomolecular high-speed transport along the nanochannel surface. Under this confined transport mechanism, the problem of over-sized COF pores can be partially circumvented, and high selectivity obtained. Moreover, the obtained asymmetric configuration of SCOF-Ag/PI CMs results in directional gas transport. As the first work of COF-based membranes for olefin/paraffin separation, SCOF-Ag/PI CMs demonstrate a high propylene permeability of 75.16 barrer and good propylene/propane selectivity of 35.45, out-performing most of the polymer-based membranes and approaching the performance of ZIF-8 membranes. Furthermore, SCOF-Ag/PI CMs exhibit over one-month durability. The excellent separation performance combined with operating stability provides a promising alternative approach toward efficient C 3 H 6 /C 3 H 8 separation. [ABSTRACT FROM AUTHOR]

Abstract: Porous carbons with large surface areas and pore volumes, as well as relatively uniform micropore texture were prepared by CO2 activation of ordered porous carbon CMK-1 for hydrogen storage. Both activation temperature and time were studied. The structure and texture changes in the carbons were investigated by using XRD and nitrogen sorption. Under the optimum condition that treating with CO2 at 950°C for 6h, a high H2 uptake of 2.19wt% was obtained at 77K and 1bar. The capacity is almost twice that of CMK-1 and higher than that of the reported porous carbons synthesized by silica templates. The pores smaller than 1nm were confirmed to be the most efficient for hydrogen sorption. Besides, high efficiency of surface areas and micropores were got for the H2 uptake at 77K and 1bar. [Copyright &y& Elsevier]

Ionic covalent organic framework nanosheets (iCOFNs) with long‐range ordered and mono‐dispersed ionic groups hold great potential in many advanced applications. Considering the inherent drawbacks of oil–water biphase method, herein, we explore an oil–water–oil triphase method based on phase engineering strategy for the bottom‐up synthesis of iCOFNs. The middle water phase serves as a confined reaction region, and the two oil phases are reservoirs for storing and supplying monomers to the water phase. A large aqueous space and low monomer concentration lead to the anisotropic gradual growth of iCOFNs into few‐layer thickness, large lateral size, and high crystallinity. Notably, the resulting three cationic and anionic iCOFNs exhibit ultra‐high aspect ratios of up to 20,000. We further demonstrate their application potential by processing into ultrathin defect‐free COF membranes for efficient biogas separation. Our triphase method may offer an alternative platform technology for the synthesis and innovative applications of iCOFNs. [ABSTRACT FROM AUTHOR]

Ionic covalent organic framework nanosheets (iCOFNs) with long‐range ordered and mono‐dispersed ionic groups hold great potential in many advanced applications. Considering the inherent drawbacks of oil–water biphase method, herein, we explore an oil–water–oil triphase method based on phase engineering strategy for the bottom‐up synthesis of iCOFNs. The middle water phase serves as a confined reaction region, and the two oil phases are reservoirs for storing and supplying monomers to the water phase. A large aqueous space and low monomer concentration lead to the anisotropic gradual growth of iCOFNs into few‐layer thickness, large lateral size, and high crystallinity. Notably, the resulting three cationic and anionic iCOFNs exhibit ultra‐high aspect ratios of up to 20,000. We further demonstrate their application potential by processing into ultrathin defect‐free COF membranes for efficient biogas separation. Our triphase method may offer an alternative platform technology for the synthesis and innovative applications of iCOFNs. [ABSTRACT FROM AUTHOR]

Invariant‐based shortcuts to adiabaticity (IB‐STA) approach is demonstrated to speed up the coherent population transfer of a three‐level quantum system on a superconducting circuit. Compared with the conventional stimulated Raman adiabatic passage (STIRAP), the scheme can achieve the same high transfer efficiency with evolution time reduced by 5.96 times. The final transfer efficiency of the scheme is measured to be 98.2±2.2%, which is mainly decoherence limited. Further, the robustness of the scheme is experimentally characterized, which is superior to the time‐optimal resonant Rabi scheme under systematic pulse amplitude error. Therefore, the approach provides an alternative approach to realize high‐fidelity state manipulation and preparation for weakly coupled Λ‐ or Ξ‐type quantum systems. [ABSTRACT FROM AUTHOR]

Possessing the noise-resilience feature, geometric phases have become important in robust quantum computation. Gates based on the Abelian and non-Abelian geometric phases have been experimentally demonstrated in different physical systems. However, previous proposals require cyclic evolution with a constant operation time even for small rotation angles, which set a limit to the gate operation time. Here, we experimentally realize noncyclic geometric gates, where the cyclic condition is removed and the operation time is proportional to the rotation angle. With the adiabatic process sped up by shortcut to adiabaticity, the fidelities of a noncyclic geometric gate characterized by randomized benchmarking are above 99.5%. Comparing with the dynamic scheme, we demonstrate the robustness of our gate against control instability in the experiment. Moreover, our results indicate that the noncyclic geometric gate with a smaller rotation angle corresponds to a shorter evolution time and higher fidelity. As small rotation angles are essential in the quantum algorithm, the superiority of noncyclic geometric gates makes them promising candidates in fast and robust quantum computation. [ABSTRACT FROM AUTHOR]

Shortcuts to adiabaticity have been proved an effective routine for precise quantum state manipulation. Here, we experimentally demonstrate invariant-based shortcuts to adiabaticity to speed up the population transfer in a superconducting circuit. Through inverse engineering of the Hamiltonian, we realize this protocol in a single-qubit and a two-qubit system. The Lewis–Risenfeld phase is characterized experimentally. Furthermore, we investigate the robustness of the scheme against amplitude and frequency errors. [ABSTRACT FROM AUTHOR]

Coherent quantum state transfer is a vital step in quantum information processing. Based on the stimulated Raman adiabatic passage (STIRAP), we realize robust quantum state transfer between two superconducting qubits, mediated by a tunable coupler. Utilizing parametric coupling techniques, we construct the STIRAP Hamiltonian by modulating the coupler frequency. A population transfer fidelity of 95.1 (± 2.0) % is achieved and is consistent with the numerical simulation result of 95.4%. By preparing the initial state in the maximal superposition state of one qubit, we research how the phase of the transferred state is related to the modulation pulses. We also find that the transfer process is robust against the fluctuation of modulation frequency. Numerical simulation confirms that our state transfer scheme is more robust than non-adiabatic protocols. [ABSTRACT FROM AUTHOR]

We propose and demonstrate experimentally the arbitrary state-transfer in a qubit by using a superadiabatic approach in a superconducting circuit. We encode the qubit in a time-dependent dark state generated by an applied microwave field, speeding up the adiabatic evolution by transitionless quantum driving algorithms. This approach is realized experimentally in a qutrit system, which consists of a qubit and an ancillary level. Furthermore, we analyze the robustness of the implementation and measure the fidelity of transfer operation by using randomized benchmarking technique. [ABSTRACT FROM AUTHOR]

Fabricating metal-organic framework (MOF) membranes on processable and flexible polymeric substrates is of great significance for potential practical application, but remains technically challenging due to the lack of nucleation sites on polymeric substrates. Here, we report an efficient and facile method to render abundant and uniform nucleation sites on the substrate surface by pre-anchoring metal ions through coordination-driven self-assembly of metal-organophosphate. The coordination between the multidentate phytic acid (PA) and the metal ions enables the functionalization of polymeric substrates with a metal-phytic acid layer, which anchors metal ions to promote the subsequent generation of thin and defect-free MOF layers thereon. As an illustration, the ZIF-8 membrane was synthesized on Zn2+-PA functionalized polyacrylonitrile substrate and optimized by regulating the pre-anchored Zn2+ content. The obtained ZIF-8 membrane exhibited a superior separation performance for C 3 H 6 /C 3 H 8 mixture, harvesting selectivity up to 150 with C 3 H 6 permeance of 70 GPU. Besides, the polycrystalline ZIF-8 membrane also displays excellent bending and pressure resistance due to the strong combination between the MOF layer and the polymeric substrates from the fortified and robust bridging coordination effect of the metal-organophosphate layer. Our strategy can be extended to diverse MOFs and polymeric substrates, paving a facile and generic way to fabricate MOF membranes. [Display omitted] • Metal ion pre-anchoring on polymeric substrates enables MOF membrane fabrication. • Metal-phytic acid network anchors abundant and uniform metal ions onto substrate. • Uniformly enriched metal ions promote the nucleation and intergrowth of MOF crystals. • The defect-free ZIF-8 membranes exhibit superior C 3 H 6 /C 3 H 8 separation performance. • This generic approach can be extended to various polymeric substrates and MOFs. [ABSTRACT FROM AUTHOR]

Abstract: Activation of mesoporous carbon CMK-3 with CO2 for hydrogen storage was studied. Huge structure and texture changes emerged for the activated CMK-3 based on the characterization by using XRD, TEM and nitrogen adsorption at 77K. The ordered mesoporous structure of CMK-3 gradually became disorder and its specific surface area and volume of pores especially micropores were enhanced remarkably. Hydrogen sorption measurement showed that the activation led to an obvious increase of the H2 sorption capacity of CMK-3. The maximum H2 uptake of 2.27wt% at 77K and 1bar was obtained for the sample activated at 1223K for 8h. The small pores with the diameter smaller than 1nm contributed greatly to the H2 uptake, and were confirmed more effective than other pores for hydrogen storage. [Copyright &y& Elsevier]

A novel kind of copper–active carbon (Cu–AC) nanocomposites were prepared through copper ions dipping and hydrogen reducing methods. The ions were reduced by 5% at . TEM image indicated that the diameters of copper particles are about 30–60nm. Electrochemical hydrogen storage capacities were determined and the maximum discharge capacities are , which is correspondence to the 1.22wt% of hydrogen deposit values for the 50%Cu–AC1 at room temperature. The hydrogen deposit capacity is stable with less than 5% decrease of the discharge capacity after 20 cycles. [Copyright &y& Elsevier]

Covalent organic frameworks (COFs) have stimulated an immense interest for membrane separation owing to their defined nanoscale channels, tailorable chemical functionality, and total organic backbone. However, the development of COF-based membranes for gas separation remains a great challenge due to the limited functional groups and relatively large pore size of the existing COFs. The rational design and appropriate modification of COFs are urgently demanded for more efficient CO 2 separation. In this study, we propose a multi-function integration strategy for the design of COF fillers considering entire morphological structure, aperture adjustment and channel decoration, as well as interface optimization. The COF hollow microsphere with polyethylene glycol monomethyl ether (PEG) modification on both outer surface and inner channel wall was synthesized and filled into commercial Pebax polymer to fabricate mixed matrix membranes (MMMs). The hollow structure of COF fillers reduces the mass transport resistance. PEG functionalization provides channel wall with ethylene oxide groups and decreases the COF pore size for simultaneous enhancement of solubility selectivity and diffusion selectivity. Moreover, PEG chains on the outer surface improve the interface compatibility between COF fillers and Pebax matrix. The resulting MMMs exhibit superior CO 2 /CH 4 separation performances, surpassing the 2008 Robeson's upper bound. Image 1 • Multifunctional COF fillers were designed to enhance CO 2 separation of MMMs. • Hollow COF spheres greatly reduce the mass transfer resistance. • PEG functionalization enhances the CO 2 solubility and reduces the pore size of COF. • PEG on COF filler surface improves the interface compatibility with Pebax matrix. [ABSTRACT FROM AUTHOR]

2D material membranes with well-defined interlayer nanochannels hold great promise for precise molecular separation, where the size and surface chemical property of the channel determine the separation efficiency. The currently reported 2D material membranes for efficient CO 2 separation are primarily built by introducing crosslinkers or intercalators into the interlayer channel. In this study, we demonstrate a novel 2D material membrane with inherent CO 2 -selective transport channels based on layered double hydroxide (LDH). The intrinsic breathing effect of LDH toward CO 2 enables the spontaneous incorporation of CO 2 molecules into the interlayer nanochannels and subsequent conversion/transport in the form of CO 3 2− species which are released as CO 2 at the downstream side of membrane. Moreover, the intercalated CO 3 2− ions with an ionic radius of 0.136 nm narrow down the nanochannel size from 0.7 nm to 0.3 nm by electrostatic interaction with LDH layers, conferring the membrane a distinct molecular sieving ability for CO 2 /CH 4 separation. The unique breathing effect and size-sieving effect jointly contribute to the high membrane separation performance with CO 2 permeance of 150 GPU and CO 2 /CH 4 selectivity of 33. This study is anticipated to extend the materials and strategies for design of the CO 2 preferential transport channels in membranes. Image 1 • 2D LDH membrane for carbon capture was prepared for the first time. • Inherent CO 2 -selective transport nanochannels were built in membrane. • Intrinsic breathing effect of LDH to CO 2 render CO 2 transport in CO 3 2− form. • CO 3 2− regulates the nanochannel size to 0.3 nm, for sieving CO 2 /CH 4 pair. • Breathing effect and size-sieving effect contribute to efficient CO 2 separation. [ABSTRACT FROM AUTHOR]

In quantum information processing, it is necessary to transfer quantum state between different systems. Herein, a scheme to transfer quantum state using multi‐passage Landau–Zener–Stückelberg interferometry in three superconducting qubits is proposed. A periodic triangle waveform quickly drives the system across the energy level anticrossing multiple times, inducing multiphoton Rabi oscillations. Using the 0‐photon Rabi oscillations, the dynamical quantum state transfer with probability close to 100% is realized. The fidelity of the state transfer is insensitive to local distortion of the driving waveform. This scheme can be extended to a system where multiple qubits are coupled to a frequency‐tunable qubit, as a quantum medium. It provides a useful tool for scalable quantum computing. [ABSTRACT FROM AUTHOR]