The energy loss of oxygen and chlorine ions in solids

Booth, William D.; Grant, I. S.

doi:10.1016/0029-5582(65)90478-5

Cited by 173 publications

(25 citation statements)

References 18 publications

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“…The background has been taken into account. The solid lines result from a least squares fitting inserting f ( T) from equation (12) ((or (13)) into (9) and varying q f s and 8 (or q f s and lk2). The numerical results are listed in Table 2 We have also measured the maximum Mossbauer absorption of the crystalline germanium absorber as a function of the target temperature.…”

Section: Recoilless Fractionsmentioning

confidence: 99%

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Mössbauer Experiments with Coulomb‐Excited ⁷³Ge after Coulomb Recoil Implantation

Zimmermann

Jena

Ischenko

et al. 1968

Physica Status Solidi (b)

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The nuclear resonance absorption of the 67.03 keV de-excitation radiation of 73Ge*, Coulomb-excited by 20 to 30 MeV l80 ions, is studied. The recoiling 73Ge* nuclei are implanted into a chromium substrate. The electronic configurations Ge (4s' ps) in Ge (cryst.), Ge (15% (4s2 PO), 85% (4sa p2)) in Ge (II)Se, Ge (62% (4s0 PO). 38% (4s' p3)) in GeO, (hex.) and GeO, (tetr.), andthe ratio SR/R=1.12 x lO-sof the nuclear charge radius are compatible with the measured isomeric shifts. Line broadening6 and recoil-free fractions f of the implantation target and the absorbers are determined. A t 78 OK fGeO,(tetr.) is greater than fGeO,(hex.) by a factor of six.Die Kernresonanzabsorption der 67.03 keV y-Strahlung von 73Ge*, Coulomb-angeregt durch 180-Ionen von 20 bis 30 MeV, wurde untersucht. Die riickgestoBenen 73Ge*-Kerne wurden in eine Chromunterlage implantiert. Die Elektronenkonfigurationen Ge (4s1p3) in Ge (krist.), Ge (15% (48, PO), 86% (48, p2)) in Ge(II)Se, Ge (62% (4s0 PO), 38% (4s' p3)) in GeO, (hex.) und GeO, (tetr.) und 6R/R = 1,12 x 10-3 des Kernladungsradius sind mit den gemessenen Isomerieverschiebungen vertriiglich. Linienbreiten und Debye-Waller-Faktoren f des Implantationstargets und der Absorber wurden bestimmt. Bei 78" K ist faeO,(tetr.) urn den Faktor6 groBer als fGeo,(hex.).

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Section: Recoilless Fractionsmentioning

confidence: 99%

“…1 shows the y-yield Y as a function of ed for different values of the energy E(0). The integral was evaluated as a function of the bombarding energy using the specific stopping power dE/dex of germanium for lSO ions gained by interpolation of the energy range data for Ni and Ag [9]. …”

Section: Coulomb Excitationmentioning

confidence: 99%

Mössbauer Experiments with Coulomb‐Excited ⁷³Ge after Coulomb Recoil Implantation

Zimmermann

Jena

Ischenko

et al. 1968

Physica Status Solidi (b)

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“…Same as Fig. 1 for H and Cl in C. Original data from [5,26,27,[33][34][35][36][37][38][39][40][41][42][43]. Listing of proton in Ref.…”

Section: Comparison With Theorymentioning

confidence: 96%

Velocity dependence of heavy-ion stopping below the maximum

Sigmund

Schinner

2015

Nuclear Instruments and Methods in Physics Research Section B:

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a b s t r a c tIn the slowing-down of heavy ions in materials, the standard description by Lindhard and Scharff assumes the electronic stopping cross section to be proportional to the projectile speed v up to close to a stopping maximum, which is related to the Thomas-Fermi speed v TF . It is well known that strict proportionality with v is rarely observed, but little is known about the systematics of observed deviations.In this study we try to identify factors that determine positive or negative curvature of stopping cross sections on the basis of experimental data and of binary stopping theory. We estimate the influence of shell structure of the target and of the equilibrium charge of the ion and comment the role of dynamic screening.

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“…The universal stopping function [23] B(E)/AZzff, where B ( E ) = -(dE/ds) E is given versus the energy per at'omic mass unit ( A is the inass and Zeff the efficient charge of t,he incident particle). The efficient charge of 4He+ ions is t'aken from [21]. The figure presents t>he dat'a of experiment's on the prot'on stopping obtained by Appleton et'al.…”

Section: M2(q)mentioning

confidence: 95%

“…With the inclusion of (20) and (21) formula (18) for high velocities of t'he incident particle u > t i F can be written as Here e ( r ) = 1 + C elGT f ( G ) is the normalized density of valence electrons in a given Formulae (21) and (23) are obtained without the additional assumption that the generalized oscillator strengths of atomic electrons are analogous to the harnionic oscillator (such approximation is used in [6]). As a basic parameter of stopping we involve the plasma frequency cop, rather than the mean ionization potential.…”

Section: Stopping Formula In the Non-uniform Eleetron Gasmentioning

confidence: 99%

Energy Loss of Charged Particles in Crystals

Burenkov

Komarov

Kumakhov

1980

Physica Status Solidi (b)

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The theory of charged particle energy Ioss by collisions as a function of impact parameter in a crystal is developed on the basis of the quantum dielectric formalism. Simple and convenient formulae taking into account the energy zone structure of crystals are obtained for nonrelativistic and relativistic particles. The relation between energy loss and local electron density is studied. For the first time i t is shown strictly that the hyperchanneled particle energy loss in the axial channels is less than that in corresponding plane channels.

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The energy loss of oxygen and chlorine ions in solids

Cited by 173 publications

References 18 publications

Mössbauer Experiments with Coulomb‐Excited ⁷³Ge after Coulomb Recoil Implantation

Mössbauer Experiments with Coulomb‐Excited ⁷³Ge after Coulomb Recoil Implantation

Velocity dependence of heavy-ion stopping below the maximum

Energy Loss of Charged Particles in Crystals

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The energy loss of oxygen and chlorine ions in solids

Cited by 173 publications

References 18 publications

Mössbauer Experiments with Coulomb‐Excited 73Ge after Coulomb Recoil Implantation

Mössbauer Experiments with Coulomb‐Excited 73Ge after Coulomb Recoil Implantation

Velocity dependence of heavy-ion stopping below the maximum

Energy Loss of Charged Particles in Crystals

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Mössbauer Experiments with Coulomb‐Excited ⁷³Ge after Coulomb Recoil Implantation

Mössbauer Experiments with Coulomb‐Excited ⁷³Ge after Coulomb Recoil Implantation