Diamond and Carbon-based Materials Research

2H diamond (lonsdaleite) is a promising material for contemporary science. However, there is still no well documented experimental or theoretical work for 2H diamond at high temperatures. Therefore, this work is the first theoretical contribution for the titled features of 2H diamond. The elastic constants decline wit…

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Room-temperature (RT) solid-state quantum emitters are essential for building practical and scalable quantum communication systems, yet their application has been critically hindered by the slow operational speeds of corresponding modulation technologies. In this work, we overcome this key performance bottleneck. We d…

The design of polarization-encoded quantum interfaces relies on the assumption that solid-state emitters possess static transition dipoles defined by the host lattice symmetry. Here, we demonstrate that the transition dipole moment of single hexagonal boron nitride quantum emitters is not a static property but rotates…

The design of polarization-encoded quantum interfaces relies on the assumption that solid-state emitters possess static transition dipoles defined by the host lattice symmetry. Here, we demonstrate that the transition dipole moment of single hexagonal boron nitride quantum emitters is not a static property but rotates…

Diamond-like carbon (DLC) coatings, specifically tetrahedral amorphous carbon (ta-C), provide hard, low-friction carbon films suitable for tribological applications in demanding industrial environments. In this study, we investigated diamond-like carbon (ta-C) deposited by PVD arc technology (Ionbond Tetrabond), its q…

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. Broadband spectral measurements in the 351-1600 nm range under self-powered operation (0 V bias) confirmed the wide spectral sensitivity of the devices. At 900 nm, cryogenic treatment significantly enhanced the photodetector performance, yielding ∼20× higher photocurrent, responsivity, and EQE, ∼11.6× higher detecti…

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While magnetic fields and superconductors are both central to classical and quantum technologies, their combined use is often challenging, as magnetic fields significantly affect superconducting device performance. In superconducting nanowire single-photon detectors (SNSPDs), magnetic fields drastically reduce detecti…

While magnetic fields and superconductors are both central to classical and quantum technologies, their combined use is often challenging, as magnetic fields significantly affect superconducting device performance. In superconducting nanowire single-photon detectors (SNSPDs), magnetic fields drastically reduce detecti…