The website is currently supported within the space radiation environment activities of ASIF (ASI - Italian Space Agency -Supported Irradiation Facilities).
Example of how to reference this online database: (Replace year, month with database access date)
M.J. Boschini, P.G. Rancoita and M. Tacconi (2014), SR-NIEL–7 Calculator: Screened Relativistic (SR) Treatment for NIEL Dose, Nuclear and Electronic Stopping Power Calculator (version 11.0); website https://www.sr-niel.org/ accessed on [year, month ].
Optional addition:
Screened Relativistic Treatments from Chapters 2, 7 and 11 of C. Leroy and P.G. Rancoita (2016), Principles of Radiation Interaction in Matter and Detection - 4th Edition -, World Scientific, Singapore (see also references therein); C. Baur et al. (2014), NIEL dose dependence for solar cells irradiated with electrons and protons, Proc. of the 14th ICATPP, September 23--27 2013, Villa Olmo, Como, Italy, S. Giani, C. Leroy, L. Price, P.G. Rancoita and R. Ruchti, Editors, World Scientific, Singapore, 698-713; Chapter 1 of C. Leroy and P.G. Rancoita (2012), Silicon Solid State Devices and Radiation Detection, World Scientific, Singapore.
| 11.0 |
Joomla was converted to version 5 and updated to 5.5.3 |
| September.2025 |
|
| 10.20 |
Added FAQ section for registered users |
| February.2025 |
|
| 10.16 |
Physics Handbook updated on nuclear stopping power and other topics |
| April.2024 |
|
| 10.14 |
Website is operated on a virtual sever at the Italian Space Agency, ASI. |
| March.2024 |
|
| 10.13 |
Gaussian beam calculator is available |
| February.2024 |
|
| 10.12 |
Logo and banner revision |
| January.2024 |
|
| 10.11 |
Calculators for residual fluences of proton, ions and electrons extented to mono-energetic impiging particles |
| November.2023 |
|
| 10.10 |
Content revisions of sr-niel handbook and website pages updated |
| October.2023 |
|
| 10.8 |
Neutron fluence calculators was updated. Fluence graph, input by user, is now restricted to 20 MeV max. |
| October.2023 |
|
| 10.7 |
The output page of the web calculator for Electronic Stopping Power Calculators and Ionizing Dose Converters for an Electron Spectral Fluence was revised |
| October.2023 |
|
| 10.6 |
Calculator for determine the residual spectral fluence up to high energies for protons and ions traversing a shielding material was revised |
| October.2023 |
|
| 10.5 |
Calculator for determine the residual spectral fluence for electrons traversing a shielding material was revised |
| October.2023 |
|
| 10.4 |
Calculator for determine the residual spectral fluence for protons and ions traversing a shielding material was revised |
| October.2023 |
|
| 10.3 |
Calculator for determine the residual spectral fluence of isotropically distributed electrons traversing a spherical absorber was implemented |
| October.2023 |
|
| 10.2 |
Cited publications page is available |
| Spetember.2023 |
|
| 10.1 |
Calculator for determine the residual spectral fluence up to high energy of isotropically distributed protons and ions traversing a spherical absorber was implemented |
| Spetember.2023 |
|
| 10.0 |
Calculator for determine the residual spectral fluence of isotropically distributed protons and ions traversing a spherical absorber was implemented |
| Spetember.2023 |
|
| 9.6 |
NIEL Calculators modified. New warnings added for hadronic contribution |
| August.2023 |
|
| 9.5 |
website on-line on a virtual machine cloud at CINECA |
| July.2023 |
|
| 9.3 |
Residual energy calculators were updated to optimize the number of steps in calculation |
| May.2023 |
|
| 9.2 |
Statistics on calculators request are available |
| April.2023 |
|
| 9.1 |
"Who in sr-niel" updated |
| February.2023 |
|
| 9.0 |
New NJOY Neutrons NIEL calculators on few selected semiconductors |
| July.2022 |
|
| 8.5 |
Update on webpage "NIEL dose calculation for neutron using Robinson and Akkerman partition functions" |
| July.2022 |
|
| 8.4 |
New webpage on Comparison of damage functions and Doses obtained with NJOY-2021 with respect to those obtained from NJOY-2016 |
| July.2022 |
|
| 8.3 |
New webpage on Results for NIEL in silicon absorber from NJOY 2021 and ASTM-E722 versions |
| July.2022 |
|
| 8.2 |
SR-NIEL and displacement stopping power for Neutrons pages revised |
| July.2022 |
|
| 8.1 |
Default threshold energy set to solar cells determined values for electrons and ions niel calculators |
| July.2022 |
|
| 8.0 |
Neutron damage functions available with NJOY 2021 (ENDF/B.VIII.0) |
| June.2022 |
|
| 7.5 |
New version numbering |
| May.2022 |
|
SR-NIEL – 7 numbering was introduced with version 7.5. The TID and TNID doses, SEE calculations were included in sr-niel website previous versions, including the access to CRs spectral flunces from HelMod-4 and Geant4 simulations.
| 7.7.4 |
ASTM E722-19 included in neutrons calculators |
| May.2022 |
|
| 7.7.3 |
SEE calculator for spectral fluence updated |
| March.2022 |
|
| 7.7.2 |
SEE recoil calculators interface updated |
| March.2022 |
|
| 7.7.1 |
Joomla 4 additional adjustments |
| December.2021 |
|
| 7.7.0 |
Joomla was converted to version 4 |
| December.2021 |
|
| 7.6.2 |
Joomla updated to 3.10.3 version |
| November.2021 |
|
| 7.6.1 |
Joomla updated to 3.10.2 version |
| October.2021 |
|
| 7.6.0 |
New SEE Calculator for devices exposed to fluences of isotropically distributed protons and ions |
| September.2021 |
|
| 7.5.5 |
New version of the residual spectral fluence calculator for electrons |
| September.2021 |
|
| 7.5.4 |
New version of the residual spectral fluence calculators for proton and ions with extension to high energies |
| September.2021 |
|
| 7.5.3 |
New version of the residual spectral fluence calculators for proton and ions |
| September.2021 |
|
| 7.5.2 |
New version of the Weibull fit calculator |
| April.2021 |
|
| 7.5.1 |
Joomla updated to 3.9.26 version |
| April.2021 |
|
| 7.5.0 |
SEE isotropic cross section calculator is available |
| April.2021 |
|
| 7.4.0 |
New website installation with Geant4 capabilities (Centos 7). |
| April.2021 |
|
| 7.3.2 |
Weibull fit calculator has been updated to get better results. |
| April.2021 |
|
| 7.3.1 |
Title in the home page has been updated |
| April.2021 |
|
| 7.3.0 |
Fluence calculators modified to accept fluence with reversed order in energy |
| February.2021 |
|
| 7.2.0 |
Joomla updated to version 3.9.23 |
| January.2021 |
|
| 7.1.0 |
New calculator for SEE due to recoil of target nuclei for spectral fluence available |
| January.2021 |
|
| 7.0.0 |
New calculator for SEE due to recoil of target nuclei available |
| December.2020 |
|
| 6.9.1 |
Fixed the lowest energy limit for recoil calculators |
| December.2020 |
|
| 6.9.0 |
Joomla updated to version 3.9.19 |
| July.2020 |
|
| 6.8.0 |
SEE Calculator for Helmod fluences added |
| July.2020 |
|
| 6.7.1 |
Fixed issue related to null value for SEE cross section fit calculator |
| June.2020 |
|
| 6.7.0 |
SEE cross section fit with Weibull function available |
| June.2020 |
|
| 6.6.0 |
Helmod spectral fluence calculators added |
| May.2020 |
|
| 6.5.0 |
SEE Calculators added |
| May.2020 |
|
| 6.4.2 |
Items in handbook updated. Cross links with ASIF, Helmod, Geomagsphere added |
| May.2020 |
|
| 6.4.1 |
Restricted energy loss calculators updated (no more gap in calculation) |
| May.2020 |
|
| 6.4.0 |
Results section revised with electronic stopping power data |
| April.2020 |
|
| 6.3.3 |
Restricted energy loss for ASIF TID for protons and ions available |
| April.2020 |
|
| 6.3.2 |
Restricted energy loss for fluence of protons and ions available |
| April.2020 |
|
| 6.3.1 |
Results page updated with electronic stopping power and restriced energy loss in SR-Framework |
| April.2020 |
|
| 6.3.0 |
Restricted energy loss for protons and ions available |
| April.2020 |
|
| 6.2.4 |
some Sternheimer compounds available for high energy extension of the electronic stopping powers |
| March.2020 |
|
| 6.2.3 |
High energy extension of the ASIF TID converter for protons and ions |
| Feb.2020 |
|
| 6.2.2 |
High energy extension of the electronic stopping powers for protons and ions traversing a shielding material |
| Feb.2020 |
|
| 6.2.1 |
High energy extension of the electronic stopping powers for fluence of protons and ions |
| Feb.2020 |
|
| 6.2.0 |
High energy extension of the electronic stopping powers of protons and ions |
| Feb.2020 |
|
| 6.1.0 |
SRIM based calculators support now gas targets |
| Jan.2020 |
|
| 6.0.7 |
new page in handbook about Helmod in SR-NIEL framework |
| Oct.2019 |
|
| 6.0.6 |
new page in handbook about SEE dependence on solar modulation models |
| Oct.2019 |
|
| 6.0.5 |
new page in handbook about LET distributions for Fe-ions |
| Oct.2019 |
|
| 6.0.4 |
new page in handbook about TID and SEEs when restricted energy-loss is employed |
| Oct.2019 |
|
| 6.0.3 |
new page in handbook about the restricted energy-loss treatment within SR-NIEL framework |
| Oct.2019 |
|
| 6.0.2 |
new page in handbook about the particle flux as a function of particle energy or electronic stopping power |
| Aug.2019 |
|
| 6.0.1 |
Incident particle mass can be modified in SRIM based calculators |
| Jun.2019 |
|
| 6.0.0 |
Electronic stopping power calculators for spectral fluence implemented |
| Jun.2019 |
|
| 5.7.0 |
Residual energy for electrons traversing a material is available |
| Jun.2019 |
|
| 5.6.0 |
Radiative contribution added to electronic stopping power for electrons |
| May.2019 |
|
| 5.5.1 |
Residual energy for protons and ions traversing a material is available |
| May.2019 |
|
| 5.5.0 |
Residual spectral fluence for protons and ions traversing a material is available |
| May.2019 |
|
| 5.1.1 |
Change table title "Dose" to "Ionizing Dose" for electronic stopping power calculators |
| Apr.2019 |
|
| 5.1.0 |
Nuclear recoil probability calculators for spectral fluence added |
| Apr.2019 |
|
| 5.0.1 |
Electronic Stopping Power, Deposited Energy and Fermi Plateau of Massive Particles with z=1 in Silicon |
| Mar.2019 |
|
| 5.0.0 |
New target elements for NJOY based calculators |
| Mar.2019 |
|
| 4.6.1 |
Summary page for elements for NJOY based calculators |
| Feb.2019 |
|
| 4.6.0 |
New target elements for NJOY based calculators |
| Jan.2019 |
|
| 4.5.1 |
NIEL dose calculators for neutron spectral fluence were revised |
| Jan.2019 |
|
| 4.5.0 |
New target elements for NJOY based calculators |
| Dec.2018 |
|
| 4.4.0 |
ASIF TNID calculator for neutrons implemented |
| Oct.2018 |
|
| 4.3.0 |
ASIF TID converter for protons and ions implemented |
| Oct.2018 |
|
| 4.2.0 |
ASIF TNID calculator for protons and ions implemented |
| Oct.2018 |
|
| 4.1.0 |
Upper limit set for electronic stopping power to dose converter for electrons |
| Oct.2018 |
|
| 4.0.1 |
Minor website improvements |
| Sep.2018 |
|
| 4.0.0 |
Physics handbook embedded in sr-niel website |
| Sep.2018 |
|
| 3.9.8 |
Dose calculators for spectral fluence updated |
| Sep.2018 |
|
| 3.9.7 |
Website restyled |
| Sep.2018 |
|
| 3.9.6 |
Hadronic NIEL estimation included in test58 |
| Jul.2018 |
|
| 3.9.5 |
Comparison of neutron damage function in Bi and Si added |
| Feb.2018 |
|
| 3.9.4 |
test58 revised for Geant4 version 10.4 |
| Jan.2018 |
|
| 3.9.3 |
Geant4 electrons class and test58 updated |
| Oct.2017 |
|
| 3.9.2 |
B,Bi,Cl,Tl added as target for NJOY Neutrons NIEL calculators. |
| Sep.2017 |
|
| 3.9.1 |
Neutrons long write-up pages updated with NJOY 2016 values along with NJOY 2012.50 |
| Jun.2017 |
|
| 3.9.0 |
Neutron NJOY calculators updated with NJOY 2016 values. Cu,Hg,Pb,S,Sn also added as possible target |
| May.2017 |
|
| 3.8.0 |
Predefined compound semiconductors and alloy systems implemented as target |
| May.2017 |
|
| 3.7.0 |
New revision for hadronic contribution to NIEL |
| May.2017 |
|
| 3.6.1 |
test58 updated |
| Mar.2017 |
|
| 3.6.0 |
NIEL hadronic contribution revised |
| Feb.2017 |
|
| 3.5.4 |
example test58 for Geant4 ver. 10.3 is available for download |
| Dec.2016 |
|
| 3.5.3 |
Single scattering classes for Geant4 ver. 10.3 are available for download |
| Dec.2016 |
|
| 3.5.2 |
Hadronic NIEL contribution added for silicon absorbers and incoming proton energies up to 24 GeV and added a no scaling option for hadronic contribution. |
| Oct.2016 |
|
| 3.5.1 |
Additional target nuclei added in NJOY based calculators |
| Oct.2016 |
|
| 3.5.0 |
Hadronic contribution for inpinging α particle is available in NIEL calculators |
| Sep.2016 |
|
| 3.4.2 |
NIEL Dose Calculator for Electrons, Protons & Ions spectral fluence using both Robinson and Akkerman partition function is available for registered users |
| Sep.2016 |
|
| 3.4.0 |
NIEL Dose Calculator for Electrons, Protons & Ions spectral fluence is available. |
| Jul.2016 |
|
| 3.3.0 |
NIEL Dose Calculator for Neutrons spectral fluence obtained with software NJOY is available for registered users |
| Jul.2016 |
|
| 3.2.0 |
Neutrons NIEL Calculators from values obtained with software NJOY is available for registered users |
| Jul.2016 |
|
| 3.1.0 |
Detailed comparisons are currently available regarding the usage of Akkerman and Robinson partition functions for electrons, protons, ions and neutrons.
|
| Jun.2016 |
|
| 3.0.2 |
It's now possible to specify different recoil and target nucleus in the partition function calculator |
| Jun.2016 |
|
| 3.0.1 |
Added table of printed values to the partition function calculator |
| Jun.2016 |
|
| 3.0.0 |
NIEL Calculators employing Akkerman partition function is available for registered users. |
| May.2016 |
|
| 2.8.0 |
New site SR-NIEL handbook is available. Some links were moved on the top panel. |
| Feb.2016 |
|
| 2.7.1 |
ASTM-E722-14 damage function is now included in neutrons calculators |
| Feb.2016 |
|
| 2.7.0 |
Electronic Stopping Power Calculator for Electrons is included. |
| Dec.2015 |
|
| 2.6.0 |
Electronic Stopping Power Calculator for protons and ions supports now a compounds list |
| Dec.2015 |
|
| 2.5.0 |
SR-NIEL Treatment in Geant4 included |
| Nov. 2015 |
|
| 2.1.2 |
Total NIEL Dose for Neutrons is included |
| July 2015 |
|
| 2.1.1 |
Hardness Parameter Calculator is now included |
| May 2015 |
|
| 2.1.0 |
NIEL Calculator supports now neutrons in Si and GaAs |
| May 2015 |
|
| 2.0.4 |
Electronic Stopping Power Calculator supports now compounds with 10 elements |
| Mar. 2015 |
|
| 2.0.3 |
Energetic Nuclear Recoil Calculators support now compounds with 10 elements. |
| Mar. 2015 |
|
| 2.0.2 |
Nuclear Stopping Power Calculators support now compounds with 10 elements. |
| Mar. 2015 |
|
| 2.0.1 |
NIEL Calculators support now compounds with 10 elements. |
| Mar. 2015 |
|
| 2.0.0 |
Electronic Stopping Power for electrons, protons and ions included. |
| Feb. 2015 |
|
| 1.5.4 |
Element Fraction included in Calculators. |
| Feb. 2015 |
|
| 1.5.3 |
Dose included in the NIEL Calculator. |
| Dec. 2014 |
|
| 1.5.2 |
Partition function calculator implemented. |
| Dec. 2014 |
|
| 1.5.1 |
Energetic Recoil Calculator Added. |
| Dec. 2014 |
|
| 1.5.0 |
Web program and documentation online. |
| Nov. 2014 |
|
