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IMFP
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Calculations of Electron Inelastic Mean Free Paths IV. Evaluation of calculated IMFPs and of the predictive IMFP formula TPP-2 for electron energies between 50 and 2000 eV
Description/Abstract:
We have made additional evaluations of the electron inelastic mean free paths ([MFPs) and of the predictive IMFP formula TPP-2 presented ...
Keyword:
Evaluations of TPP-2 formula
,
IMFP
, and
predictive IMFP formula TPP-2
Resource Type:
Article
Author:
Tanuma, S.
,
Powell, C. J.
, and
Penn, D. R.
Journal:
Surface and Interface Analysis
Date Uploaded:
07/11/2023
Date Modified:
07/11/2023
Estimation of Inelastic Mean Free Paths in Au and Cu from Their Elastic Peak Intensity Ratios without IMFP Values of Reference Material in The 200 – 5000 eV Energy Range
Description/Abstract:
We have determined electron inelastic mean free paths (IMFPs) and surface-electronic excitation parameters (SEPs) of Au and Cu in the 200...
Keyword:
Au and Cu
,
EPES
,
IMFP
,
elastic peak intensity
, and
electron inelastic mean free path
Resource Type:
Article
Author:
S. Tanuma
,
H. Yoshikawa
,
N. Okamoto
, and
K. Goto
Journal:
Journal of Surface Analysis
Date Uploaded:
25/10/2023
Date Modified:
25/10/2023
Calculations of Electron Inelastic Mean Free Paths III. Data for 15 Inorganic compounds over the 50 - 2000 eV Range
Description/Abstract:
We report calculations of electron inelastic mean free path (IMFPs) of 50-2000 eV electrons in a group of 15 inorganic compounds (Al2O3, ...
Keyword:
IMFP
,
Inorganic compounds
, and
TPP-2
Resource Type:
Article
Author:
Tanuma, Shigeo
,
Powell, C. J.
, and
Penn, D. R.
Journal:
Surface and Interface Analysis
Date Uploaded:
03/08/2023
電子の非弾性平均自由行程の一般式:JTP 式の開発
Description/Abstract:
我々は適用できるエネルギー範囲が広く,幅広い材料に対して適用できる改良型IMFP予測式(Jablonski-Tanuma-Powell (JTP)式)を開発した。この式はTPP-2M式を改良したもので、50eVから200keVまでの電子ネルギー範囲における100物質に対する...
Keyword:
IMFP
,
JTP equation
,
Jablonski-Tanuma-Powell equation
, and
general formula for IMFP
Resource Type:
Presentation
Author:
田沼 繁夫
,
A. Jablonski
, and
C. J. Powell
Date Uploaded:
10/07/2023
Determination of Inelastic Mean Free Paths in Elemental Solids in the 200 to 5000 eV Energy Range by Absolute Elastic Peak Electron Spectroscopy
Description/Abstract:
Recently Goto have done a precise measurement of transmission efficiency using a new method. Then, we have carried out the experimental d...
Keyword:
AES
,
IMFP
,
TPP-2M
, and
XPS
Resource Type:
Presentation
Author:
Tanuma,S
,
Okamoto, N
,
Azuma, Y
,
Kimura, T
, and
Goto, K
Date Uploaded:
07/07/2023
Date Modified:
07/07/2023
表面電子分光法における電子の散乱効果の研究
Description/Abstract:
This article describes the inelastic scattering effect on surface electron spectroscopies such as XPS and AES. It is very important to de...
Keyword:
IMFP
,
attenuation length
,
effective attenuation length
,
inelastic scattering effect
, and
surface electron spectroscopies
Resource Type:
Article
Author:
田沼繁夫
Journal:
表面科学
Date Uploaded:
04/07/2023
Calculations of Electron Inelastic Mean Free Paths in Solids over the 10 eV to 200 keV Energy Range with the Relativistic Full Penn Algorithm
Description/Abstract:
We have calculated IMFPs for 41 elemental solids and 30 semiconductors at equal energy intervals on a logarithmic scale corresponding to ...
Keyword:
Fano Plot
,
IMFP
,
Mermin-type ELF
,
relativistic full Penn algorithm
, and
relativistic modified Bethe equation
Resource Type:
Presentation
Author:
Shinotsuka, H
,
TANUMA, Shigeo
,
Powell, C. J.
, and
Penn, D. R.
Date Uploaded:
29/06/2023
Calculations and Measurements of Electron Inelastic Mean Free Paths in Solids
Description/Abstract:
We have calculated IMFPs for 41 elemental solids, 44 inorganic compounds and 12 organic compounds at equal energy intervals on a logarith...
Keyword:
ELF
,
EPES
,
FPA
,
Fano Plot
,
IMFP
, and
Mermin ELF
Resource Type:
Presentation
Author:
TANUMA, Shigeo
Date Uploaded:
29/06/2023
Electron Inelastic Mean Free Paths in Liquid Water for Energies from10 eV to 10 keV
Description/Abstract:
It is very important to know details of the interactions of low-energy electron with liquid water for many biological applications. There...
Keyword:
IMFP
and
liquid water
Resource Type:
Presentation
Author:
TANUMA, Shigeo
,
SHINOTSUKA, Hiroshi
,
DA, Bo
,
YOSHIKAWA, Hideki
, and
パウエル
Date Uploaded:
29/06/2023
Inelastic Mean Free Paths, Mean Escape Depths, and Effective Attenuation Lengths for Surface Electron Spectroscopies
Description/Abstract:
While the IMFP is a basic material parameter, the EAL, MED, and ID depend not only on the IMFP but also on the instrumental configuration...
Keyword:
EAL
,
EPES
,
IMFP
,
elemental solids
,
inorganic compounds
, and
water
Resource Type:
Presentation
Author:
田沼 繁夫
,
後藤啓典
,
吉川 英樹
,
パウエル
,
Penn, D. R.
,
Da, B.
,
Ueda, R.
, and
Shinotsuka, H
Date Uploaded:
29/06/2023
Analysis of electron inelastic scattering in solids over wide energy range and its application to surface chemical analysis
Description/Abstract:
We have, then, calculated IMFPs for 41 elemental solids and 30 semiconductors from 10 eV to 200 keV. These calculations were made with op...
Keyword:
EPES
,
HAXPES
,
IMFP
,
MED
,
electron inelastic scattering
,
energy loss function
, and
relativistic modified Bethe equation
Resource Type:
Presentation
Author:
TANUMA, Shigeo
Date Uploaded:
29/06/2023
Calculations of Electron Inelastic Mean Free Paths for 31 Materials
Description/Abstract:
We present new calculations of electron inelastic mean free paths (IMFPs) for 200-2000 eV electrons in 27 elements (C, Mg, Al, Si, Ti, V,...
Keyword:
Bethe equation
,
IMFP
,
TPP
,
elemental solids
, and
inelastic mean free path
Resource Type:
Article
Author:
Tanuma, S.
,
Powell, C. J.
, and
Penn, D. R.
Journal:
Surface and Interface Analysis
Date Uploaded:
05/06/2023
Date Modified:
09/06/2023
Calculations of electron inelastic mean free paths.VIII. Data for 15 elemental solids over the 50-2000 eV range
Description/Abstract:
We report calculations of electron inelastic mean free paths (IMFPs) for 50 eV to 2000 eV electrons in 14 elemental solids (Li, Be, diamo...
Keyword:
IMFP
,
Li, Be, diamond, graphite, Na, K, Sc, Ge, In, Sn, Cs, Gd, Tb, Dy, Al
,
TPP-2M equation
,
electron inelastic mean free path
, and
rare-earth elements
Resource Type:
Article
Author:
TANUMA, Shigeo
,
C.J. Powell
, and
D.R. Penn
Journal:
SURFACE AND INTERFACE ANALYSIS
Date Uploaded:
29/05/2023
Date Modified:
30/05/2023
Calculations of Electron Inelastic Mean Free Paths (IMFPs). XIV. Calculated IMFPs for LiF and Si3N4 and Development of an Improved Predictive IMFP Formula
Description/Abstract:
We report inelastic mean free paths (IMFPs) of Si3N4 and LiF for electron energies from 50 eV to 200 keV that were calculated from their ...
Keyword:
IMFP
,
Improved Predictive IMFP Formula
,
JTP equation
,
TPP-2M
, and
electron inelastic mean free path
Resource Type:
Article
Author:
Jablonski, Aleksander
,
Tanuma, Shigeo
, and
Powell, C. Cedric
Journal:
Surface and Interface Analysis
Date Uploaded:
29/05/2023
Date Modified:
06/06/2023
Calculations of electron inelastic mean free paths. V. Data for 14 organic compounds over the 50–2000 eV range
Description/Abstract:
We report calculations of electron inelastic mean free paths (IMFPs) of 50–2000 eV electrons for a group of 14 organic compounds: 26-n-pa...
Keyword:
IMFP
,
IMFP predictive formula
,
Penn algorithm
,
TPP-2M
,
electron inelastic mean free path
, and
organic compounds
Resource Type:
Article
Author:
Shigeo Tanuma
Journal:
Surface and Interface Analysis
Date Uploaded:
29/05/2023
Date Modified:
30/05/2023
表面分析における電子の非弾性散乱
Description/Abstract:
This paper describes the recent progress in electron inelastic mean free paths (IMFPs) calculations with the dielectric response function...
Keyword:
IMFP
,
dielectric function model
,
electron inelastic mean free path
,
energy loss function
, and
modified Bethe equation
Resource Type:
Article
Author:
田沼繁夫
Journal:
Vacuum and Surface Science
Date Uploaded:
13/05/2023
Electron Inelastic Scattering in Surface Analysis
Description/Abstract:
This paper discusses the recent progress in electron inelastic mean free paths (IMFPs) calculations with the dielectric response function...
Keyword:
IMFP
,
dielectric function model
,
energy loss function
,
inelastic mean free path
, and
modified Bethe equation
Resource Type:
Article
Author:
Shigeo Tanuma
Journal:
e-Journal of Surface Science and Nanotechnology
Date Uploaded:
13/05/2023
表面電子分光法における信号の減衰は如何に記述されるか? IV. 単位系,平均自由行程, 一般化振動子強度
Description/Abstract:
実用表面電子分光法において,電子の非弾性散乱は固体中における電子輸送に関連するので,その理解は大変に重要である。そこで,すでに出版した「表面電子分光法における信号の減衰は如何に記述されるか?」I, II, IIIに続いて,実際的な電子の非弾性散乱の理解および計算に必要となる...
Keyword:
IMFP
,
一般化振動子強度
,
光学的振動子強度
,
双極子振動子強度
,
平均自由行程
, and
表面電子分光
Resource Type:
Article
Author:
田沼 繁夫
Date Uploaded:
03/02/2023
Date Modified:
30/04/2024
Calculations of electron inelastic mean free paths. XIII. Data for 14 organic compounds and water over the 50 eV to 200 keV range with the relativistic full Penn algorithm.
Description/Abstract:
We have calculated inelastic mean free paths (IMFPs) for 14 organic compounds (26-n-paraffin, adenine, β-carotene, diphenyl-hexatriene, g...
Keyword:
IMFP
,
electron inelastic mean free paths
,
organic compounds
,
FPA
,
bandgap correction
, and
liquid water
Material/Specimen:
26-n-paraffin
,
adenine
,
polystyrene
,
poly(2-vinylpridine)
,
thymine
,
uracil
,
liquid water
,
β-carotene
,
diphenyl-hexatriene
,
guanine
,
Kapton
,
polyacetylene
,
poly(butene-1-sulfone)
,
polyethylene
, and
polymethylmethacrylate
Resource Type:
Article
Author:
Shinotsuka, Hiroshi
,
Tanuma, Shigeo
, and
Powell, CJ
Journal:
SURFACE AND INTERFACE ANALYSIS
Date Uploaded:
11/04/2022
Date Modified:
13/04/2022
Calculations of electron inelastic mean free paths. IX. Data for 41 elemental solids over the 50 eV to 30 keV range
Description/Abstract:
We have calculated inelastic mean free paths (IMFPs) for 41 elemental solids (Li, Be, graphite, diamond, glassy C, Na, Mg, Al, Si, K,Sc,T...
Keyword:
electron inelastic mean free paths
,
IMFP
,
elemental solids
, and
TPP-2M
Material/Specimen:
elemental solids
Resource Type:
Article
Author:
Tanuma, Shigeo
,
Powell, C. J.
, and
Penn, D. R.
Journal:
SURFACE AND INTERFACE ANALYSIS
Date Uploaded:
01/11/2021
Date Modified:
16/12/2021
Calculation of Electron Inelastic Mean Free Paths (IMFPs). VII. Reliability of the TPP-2M IMFP Predictive Equation
Description/Abstract:
We report comparisons of electron inelastic mean free paths (IMFPs) determined from our predictive IMFP equation TPP-2M and reference IMF...
Keyword:
electron inelastic mean free paths
,
IMFP
,
IMFPs
,
TPP-2M
,
number of valence electrons
,
elemental solids
, and
surface sensitivity
Resource Type:
Article
Author:
Tanuma, Shigeo
,
Powell, C. J.
, and
Penn, D. R.
Journal:
SURFACE AND INTERFACE ANALYSIS
Date Uploaded:
01/11/2021
Date Modified:
04/01/2022
Calculations of electron inelastic mean free paths. X. Data for 41 elemental solids over the 50 eV to 200 keV range with the relativistic full Penn algorithm
Description/Abstract:
<h4>Abstract</h4> We have calculated inelastic mean free paths (IMFPs) for 41 elemental solids (Li, Be, graphite, diamond, glassy C, Na,...
Keyword:
electron inelastic mean free path
,
inelastic mean free paths
,
predictive equation for IMFP
,
elemental solid
,
relativistic Bethe equation
,
Fano plot
,
IMFP
,
ELF
,
energy loss function
,
optical constant
,
relativistic full Penn algorithm
,
full Penn algorithm
,
FPA
,
TPP-2M
, and
relativistic TPP-2M
Material/Specimen:
41 elemental solids (Li, Be, graphite, diamond, glassy C, Na, Mg, Al, Si, K, Sc, Ti, V, Cr, Fe, Co, Ni, Cu, Ge, Y, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Cs, Gd, Tb, Dy, Hf, Ta, W, Re, Os, Ir, Pt, Au, and Bi)
Resource Type:
Article
Author:
Shinotsuka, Hiroshi
,
TANUMA, Shigeo
,
Powell, Cedric J.
, and
Penn, David R.
Journal:
Surface and Interface Analysis
Date Uploaded:
01/04/2021
Date Modified:
19/07/2021
Calculations of Electron Inelastic Mean Free Paths. XI. Data for Liquid Water for Energies from 50 eV to 30 keV
Description/Abstract:
We calculated electron inelastic mean free paths (IMFPs) for liquid water from its optical energy-loss function (ELF) for electron energi...
Keyword:
EAL
,
Electron Inelastic Mean Free Path
,
IMFP
,
effective attenuation length
,
liquid water
,
relativistic TPP-2M
,
relativistic full Penn algorithm
, and
static structure factor
Resource Type:
Article
Author:
Shinotsuka, Hiroshi
,
Da, Bo
,
Tanuma, Shigeo
,
Yoshikawa, Hideki
,
Powell , Cedric J
, and
Penn, David R
Journal:
Surface and Interface Analysis
Date Uploaded:
31/07/2020
Date Modified:
02/07/2021
Calculations of electron inelastic mean free paths. XII. Data for 42 inorganic compounds over the 50 eV to 200 keV range with the full Penn algorithm
Description/Abstract:
We have calculated inelastic mean free paths (IMFPs) for 42 inorganic compounds (AgBr, AgCl, AgI, Al2O3, AlAs, AlN, AlSb, cubic BN, hexa...
Keyword:
Electron Inelastic Mean Free Path
,
IMFP
, and
TPP-2M
Resource Type:
Article
Author:
Shinotsuka, Hiroshi
,
Tanuma, Shigeo
,
Powell, Cedric J.
, and
Penn, Dave R.
Journal:
Surface and Interface Analysis
Date Uploaded:
26/06/2020
Date Modified:
08/07/2021
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Creative Commons BY-NC Attribution-NonCommercial 4.0 International
18
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Material/Specimen
41 elemental solids (Li, Be, graphite, diamond, glassy C, Na, Mg, Al, Si, K, Sc, Ti, V, Cr, Fe, Co, Ni, Cu, Ge, Y, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Cs, Gd, Tb, Dy, Hf, Ta, W, Re, Os, Ir, Pt, Au, and Bi)
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Tanuma, Shigeo
7
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6
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Surface and Interface Analysis
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