Results 201 to 210 of about 32,472 (226)
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Observation of Exploding Electron Bubbles in Liquid Helium
Physical Review Letters, 1996When an electron enters liquid helium, it experiences a repulsive potential V0 of approximately 1 eV [1]. As a consequence it is energetically favorable for the electron to become localized within a spherical volume from which the helium is nearly completely excluded [2].
, Classen, , Su, , Maris
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Helium-implanted silicon: A study of bubble precursors
Journal of Applied Physics, 1999The interaction of helium atoms with the radiation damage imparted to (100) silicon single crystal by He+ implantation at 5×1015 cm−2, 20 keV, and liquid–nitrogen temperature is investigated by means of various complementary techniques during and after thermal treatments.
CORNI, Federico +12 more
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Helium Bubble Growth in Vanadium
1981Helium bubble growth in vanadium has been investigated during postimplantation annealing at 950°C. The gas was introduced into 100-μm-thick specimens at room temperature by sequential ion implantation at 220, 140, 120, and 50 keV. This treatment provided a helium concentration of 5 × 1026 atoms/m3 at depths between 200 and 700 nm from the implanted ...
SK Tyler, PJ Goodhew
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Nucleation of bubbles in liquid helium at negative pressure
Physical Review Letters, 1989We consider the rate at which bubbles form when a negative pressure is applied to liquid $^{4}\mathrm{He}$. We show that at a critical pressure ${\mathrm{P}}_{\mathrm{c}}$ of about -9 bars, the liquid becomes macroscopically unstable and the barrier against nucleation of bubbles becomes zero.
, Maris, , Quan Xiong
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Numerical study of helium solubility and helium bubble stability in mercury
Annals of Nuclear Energy, 2013Abstract Dispersing small helium bubbles in the liquid mercury target of the high-power spallation neutron sources was proposed to add compressibility to the target made of liquid mercury. The pressure rise from proton beam deposition is reduced due to added compressibility, which in turn mitigates cavitation damage to the target boundary.
Bo Lu +2 more
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Atomistically-informed hardening and kinetics models of helium bubble in irradiated tungsten
International Journal of Plasticity, 2023Changqiu Ji, Jianqiao Hu, Zhuo Zhuang
exaly
On the helium bubble swelling in nano-oxide dispersion-strengthened steels
Journal of Materials Science and Technology, 2022Vladimir Kršjak +2 more
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