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In this work, Kanda et al. utilize heteroaryl additives to substantially improve thermal stability of perovskite solar cells, maintaining over 100% of initial efficiency after 2400 hours of aging at 85 °C, in addition to concurrently achieving 25% conversion efficiency and strong outdoor durability.

Coordinated X-ray and radio observations reveal that disk winds and jets occur mutually exclusively in 4U 1630–472, providing new observational constraints on the interplay between different modes of outflow in X-ray binaries.

The realization of cold and dense electron–hole systems by optical excitation is hindered by the heating caused by particle recombination. Now, cold and dense electron–hole systems have been observed in heterostructures with separated electron and hole layers.

The accretion disk environments surrounding active galactic nuclei are potential locations where there is an excess of eccentric mergers of large black holes, which have different spin–orbit tilts compared with circular mergers.

Spin–photon interfaces provide a connection between quantum information stored in atomic or electronic spins and optical communications networks. A quantum photon emitter with long-lived, controllable coherent spin has now been demonstrated.

Quantitative analysis of polymer LED degradation under current stress provides insight on the role of hole traps and their formation. Blending of the emitting material with large-bandgap semiconductors leads to trap dilution and improved stability.

While most results so far in semiconductor spin-based quantum computation use electron spins, devices based on hole spins may have more favourable properties for quantum applications. Here, the authors demonstrate single-shot readout and coherent control of a qubit made from a single hole spin.

Doped Sr₂IrO₄ is of interest because of its close similarities to La₂CuO₄, a parent compound of the cuprates. Nelson et al. reveal the intrinsic evolution of its electronic structure with hole doping by avoiding the strong in-plane disorder introduced by previously used chemical substitutions.

Inorganic–organic hybrid dye-sensitized solar cells featuring a perovskite compound as a light harvester and a polymer as a hole transporter provide an open-circuit voltage of almost 1 V and a power conversion efficiency of 12% under standard illumination conditions.

Determining the direction of the magnetic field of light is important for optical applications. Here, scattering of light from a subwavelength aperture in a metal plane is shown to be governed by its magnetic vector, providing the magnetic field orientation independently of the electric field.

Binary black hole mergers have recently been observed through the detection of gravitational wave signatures. The authors demonstrate that their association with active galactic nuclei can be made through a statistical spatial correlation.

An electron and a hole trapped in the same quantum dot couple together to form an exciton. Conventionally the hole involved is a heavy hole. Light-hole excitons are now observed by applying elastic stress to initially unstrained gallium arsenide-based dots. The quasiparticles are identified by their optical emission signature, and could be used in future quantum technologies.

There is a challenge of overestimation in figures of merit for organic electrochemical transistors due to a kink in the transistor current. Here, the authors investigate the origin of the kink and identify the charge transport phenomena that is impacted.

The authors report the sweet-spot operation of germanium hole spin qubits, exploring the optimization of the external magnetic field orientation, the g-tensor and its electric tunability, and hyperfine interactions.

Cuprate superconductors are created by adding electrons or holes to a ‘parent’ compound. They have dissimilar phase diagrams and the asymmetry is further highlighted by unexpected collective modes measured using resonant inelastic X-ray scattering.

Superradiance is usually driven by light-mediated couplings, leaving the role of direct emitter interactions unclear. Now, it is shown that dipole–dipole interactions in diamond spins drive self-induced pulsed and continuous superradiant masing.

Stellar tidal disruption events (TDEs) occur when stars pass close enough to supermassive black holes. Here, the authors show that future searches TDEs have potential to uncover the existence of ultralight bosons.

Different energy transport mechanisms come into play when intense laser pulses interact with dense plasma. Here the authors provide a limit on the plasma density reachable with an intense laser and an insight into the hole boring process.

Fully mapping the Fermi surface of a compound provides a clear picture of its fundamental properties. Through thermoelectric measurements of the underdoped cuprate YBa₂Cu₃O_y, this study shows evidence for a second Fermi pocket, consistent with charge–density–wave Fermi surface reconstruction.

An extensive analysis of the JWST-NIRSpec spectrum of GN-z11 shows a supermassive black hole of a few million solar masses in a galaxy 440 million years after the Big Bang.

Hole spin qubits in germanium have seen significant advancements, though improving control and noise resilience remains a key challenge. Here, the authors realize a dressed singlet-triplet qubit in germanium, achieving frequency-modulated high-fidelity control and a tenfold increase in coherence time.

The excited states of three-dimensional topological insulators can be accessed by ultrafast light pulses, which opens new possibilities for current transmission. Here, the authors show that a non-equilibrium gas of relativistic fermions with a long lifetime can emerge in a photoexcited topological insulator.

The highest-quality JWST spectra reveal that little red dots are young supermassive black holes shrouded in dense cocoons of ionized gas, where electron scattering, not Doppler motions, broadens their spectral lines.

HIV-1 integrase forms an RNA-binding module on the luminal side of the mature capsid lattice.

Using the GRAVITY+ instrument, dynamical measurement of the black hole mass in a quasar at a redshift of 2.3 (11 billion years ago) shows how the relationship between galaxies and black holes evolves with time.

The observation of a negative Hall resistance in the magnetic-field-induced normal state of underdoped 'YBCO'materials, which reveals that these pockets are electron-like rather than hole-like. It is proposed that these electron pockets most probably arise from a reconstruction of the Fermi surface caused by the onset of a density-wave phase, as is thought to occur in the electron-doped copper oxides near the onset of antiferromagnetic order.

Halide perovskites have a variety of attractive feature such as high quantum yield, and tunable optical properties, combined with easy fabrication. Here, Kirstein et al demonstrate spin-mode locking in CsPb(Cl0.56Br0.44)3 lead halide perovskite nanocrystals embedded in a fluorophosphate glass matrix, and a hole spin lifetime extending into the microsecond range.

Operation sweet spots decouple hole spin qubits in silicon from charge noise while conserving full electrical control and allowing for spin coherence times of up to 88 μs.

An inactive black hole has been found in the Large Magellanic Cloud, bound into a binary star system. Having experienced a negligible ‘kick’ during formation, the existence of this black hole has strong implications for black hole-–black hole mergers.

A study reporting optical and near-infrared observations of quasars at redshifts 5.8–6.6 shows that about half have strong winds, up to 17% the speed of light, suppressing black-hole growth.

By modelling the radio, optical, UV and X-ray data of the unusually bright cosmological explosion AT 2022cmc, Pasham et al. argue for the presence of a highly collimated jet moving at ≳99.99% the speed of light.

The charge transport properties in organic semiconductors are affected by the impact of molecular vibrations, yet it has been challenging to quantify them to date. Here, Bussolotti et al. provide direct experimental evidence on the band dispersion modified by molecular vibrations in a rubrene single crystal.

The rapid rise in brightness of a tidal disruption event is attributed to the destruction of a main sequence star by a black hole of intermediate mass in a dwarf galaxy. Such events are rare, and non-accreting intermediate-mass black holes are challenging to find.

This study analyses radio observations of the jet in galaxy M87, from which the existence of a spinning black hole that induces Lense–Thirring precession of a misaligned accretion disk is inferred.

The development of new organic semiconductors with high mobility and air stability will facilitate their widespread application. In this Article,in silicoscreening of extended oligothiophenes leads to the synthesis of a high performance semiconductor.

Charge transfer in DNA is of fundamental interest in chemistry and biochemistry and has possible applications in nano-electronics. Now it has been shown, through a combined experimental and theoretical study, that the migration of positive charges through low-lying orbitals of nucleobases (deep-hole transfer) leads to charge transfer that is faster than previously considered transport regimes.

Photoexcited holes in CdS nanocrystals rapidly trap to the surface and although they are integral to nanocrystal photophysics and photochemistry, their dynamics have remained elusive. Time-resolved spectroscopy and theoretical modelling have now revealed that trapped holes in CdS nanorods are mobile and undergo a random walk on the nanocrystal surface.

A millihertz frequency X-ray quasi-periodic oscillation has been observed near the innermost orbit of an actively accreting supermassive black hole and its frequency has evolved significantly over 2 years, a phenomenon that is difficult to explain with existing models.

The mechanism for exciton-polariton condensation in the presence of an incoherent reservoir has been long debated. Here the authors demonstrate the role of the spatial hole burning in condensation of long‐lived exciton polaritons by imaging the condensates in a single-shot excitation regime.

The Galactic Centre is orbited by two objects that look like gas and dust clouds but behave more like stars, and now four additional similar objects are reported.

The normal state of hole-doped, high-temperature superconductors is a currently-unexplained "strange metal" with exotic electronic behaviour. Here, the authors show that a doping-dependent power law ansatz for the electronic scattering phenomenologically captures ARPES, transport and optics observations.

Measurements from the Parker Solar Probe show that slow solar wind near the Sun’s equator originates in coronal holes.