Ultrafast exciton dissociation mechanism in 2D perovskites
A research group led by Prof. Jin Shengye from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences revealed an ultrafast and high-yield polaronic exciton dissociation mechanism in two-dimensional (2D) perovskites......»»
Researchers identify peptides for pollen tube growth in rice
Double fertilization is a complex mechanism in flowering plants, wherein two sperm cells fuse with the embryo sac. To achieve this, pollens released from anthers must interact with the plant's stigma, hydrate, and germinate into pollen tubes. Thus, p.....»»
Scientists studying fluid dynamics explore mechanism at work in interfacial tension
Scientists have conducted a study of the interface between two liquids, focusing on a force called interfacial tension. Their numerical simulation helped them better understand the mechanism at work in interfacial tension. This work contributes to th.....»»
Glucagon receptor structures uncover new arrestin interaction mechanism
G protein-coupled receptors (GPCRs) are essential for cell signal transduction and constitute the largest drug target protein family. Upon agonist stimulation, these receptors activate multiple downstream transducers, including G proteins and arresti.....»»
Novel mechanism for oxygen evolution reaction on dual-atom catalysts increases reaction activity
Atomically precise cluster catalysts bridge the gap between homogeneous and heterogeneous catalysis, facilitating comprehensive elucidation of structure-activity relationships in catalytic processes. However, the synergistic effects between non-singl.....»»
Physicists open new path to an exotic form of superconductivity
Physicists have identified a mechanism for the formation of oscillating superconductivity known as pair-density waves. Physical Review Letters published the discovery, which provides new insight into an unconventional, high-temperature superconductiv.....»»
Researchers reveal mechanism triggering Arctic daily warming
Prof. Ren Baohua and his team from the School of Earth and Space Sciences, the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), uncovered the connection between Arctic daily warming and the equator region.....»»
Microsoft leaked a tool that unlocks all of Windows 11’s hidden features
A leaked mechanism called StagingTool can activate or disable hidden and unannounced features within Windows 11 Insider Preview software......»»
Using sound waves to image nanostructures
The potential of an ultrafast form of transmission electron microscopy to measure sound waves in nanostructures has been demonstrated by three RIKEN physicists. This could help realize a high-resolution imaging method that uses ultrahigh-frequency so.....»»
New study sheds light on the gating mechanism of ion channels
Ion channels play a crucial role in many cellular processes, including neuronal communication, muscle contraction or cell proliferation......»»
Unveiling the 3D structure and molecular mechanism of platelet drug transporter ABCC4
A research team led by Prof. Chen Yuxing and Prof. Zhou Cong from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) recently utilized single-particle cryogenic electron microscopy (cryo-EM) to decipher.....»»
Controlling the electro-optic response of a perovskite coupled to a phonon-resonant cavity
Electron-phonon scattering is often the primary mechanism limiting electron mobility in semiconductors. Thus, changing phonon properties can provide a way to control conductivity. Recently, there has been a growing interest in exploring the use of th.....»»
Namibian fairy circle debate rages on: Sand termites or Turing mechanism? [Updated]
Study offers four-point rebuttal to 2022 claim that they're a kind of eco-Turing pattern. Enlarge / Bare, reddish-hued circular patches in the Namib Desert known as "fairy circles" are also found in northwestern Australia. (cred.....»»
Observation of a refractive index line shape in ultrafast XUV transient absorption spectroscopy
Ultrafast extreme ultraviolet (XUV) spectroscopy is a powerful technique for probing the dynamics of atoms and molecules with attosecond time resolution. However, conventional XUV absorption measurements only provide information about the imaginary p.....»»
Researchers propose mechanism for heat-transfer enhancement in convective turbulence
Researchers from the Department of Mechanics and Engineering Science at Peking University (PKU), led by Prof. Chen Shiyi and Prof. Yang Yantao, have recently proposed a mechanism to enhance the efficiency of heat transfer in convective turbulence. Th.....»»
Phase-tailored assembly and encoding of dissipative soliton molecules
Streams of ultrashort light pulses delivered from mode-locked laser resonators stimulate potential applications in ultrafast science and information technology. Here the elementary pulse entity, termed dissipative solitons in contrast to the pure sol.....»»
Fabrication of nanoscale photonic crystals with an ultrafast laser
The light control performance of photonic crystals is closely related to their lattice constant, which typically requires the lattice constant to be in the same order of magnitude as the working wavelength. In crystal materials, the photonic crystal.....»»
How rhomboid protease activity is regulated
Rhomboid proteases are a promising target for new drugs. Now researchers from the Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) have uncovered a mechanism for regulating enzyme activity. The key role is played by dynamics of the gate.....»»
Two types of ultrafast mode-locking operations generation from an Er-doped fiber laser based on germanene nanosheets
Saturable absorbers as passive modulators in passively mode-locked fiber lasers play a crucial role in the generation of ultrashort pulses. Germanene, a graphene-like two-dimensional material with fast carrier relaxation time and large nonlinear abso.....»»
Study finds a solution to longstanding problem of ultrafast valley decoherence
Since the realization that a linearly polarized light can create K-K' valley coherent excitons in monolayer transition metal dichalcogenide (TMDC) semiconductors back in 2013, it has been a longstanding goal for researchers to use these excitonic sta.....»»
New infection mechanism in SARS-CoV-2 discovered
Researchers from Heidelberg Medical Faculty, Heidelberg University Hospital and German Cancer Research Center investigate molecular relationships that promote infection and spread of SARS-CoV-2. The results may provide a starting point for developmen.....»»