gov.nist.microanalysis.EPQLibrary
Class MeanIonizationPotential

java.lang.Object
  gov.nist.microanalysis.EPQLibrary.AlgorithmClass
      gov.nist.microanalysis.EPQLibrary.MeanIonizationPotential

All Implemented Interfaces:

java.lang.Comparable

public abstract class MeanIonizationPotential
extends AlgorithmClass

An abstract class that serves as the basis for various different algorithms for or tabulations of the mean ionization potential.

Copyright: Pursuant to title 17 Section 105 of the United States Code this software is not subject to copyright protection and is in the public domain

Company: National Institute of Standards and Technology

Version:

1.0

Author:

Nicholas W. M. Ritchie

Field Summary

static MeanIonizationPotential	Berger64 Berger64 - Measured values of the mean ionization potential attributed to Berger & Seltzer 1964
static MeanIonizationPotential	Berger83 Berger64 - Measured values of the mean ionization potential attributed to Berger & Seltzer 1964
static MeanIonizationPotential	Bloch33 Bloch33 - An empirical expression for J attributed to F Bloch
static MeanIonizationPotential	Duncumb69 Duncumb69 - An empirical expression for J attributed to Duncumb & DeCasa
static MeanIonizationPotential	Heinrich70 Heinrich70 - An empirical expression for J attributed to Heinrich & Yakowitz.
static MeanIonizationPotential	Springer67 Springer67 - An empirical expression for J attributed to G Springer
static MeanIonizationPotential	Sternheimer64 Sternheimer64 - An empirical expression for J attributed to Sternheimer by Berger and Seltzer
static MeanIonizationPotential	Wilson41 Wilson41 - An empirical expression for J attributed to R R Wilson
static MeanIonizationPotential	Zeller75 Zeller75 - An empirical expression for J attributed to C Zeller

Method Summary

java.lang.String	caveat(Composition comp)
java.lang.String	caveat(Element el)
abstract double	compute(Element el) eval - Each different version of the algorithm should implement this method.
double	computeLn(Composition comp) computeLn - Computes the mean ionization potential for a Composition using the rule based on the ln(J_i) where J_i is the elemental MeanIonizationPotential.
java.util.List	getAllImplementations() getAllImplementations - Returns a full list of all available algorithms.
protected void	initializeDefaultStrategy() initializeDefaultStrategy - Implement this method in derived classes to specify the contents (possibly null) of the default Strategy using the addDefaultAlgorithm(Class,AlgorithmClass) method.

Methods inherited from class gov.nist.microanalysis.EPQLibrary.AlgorithmClass

addDefaultAlgorithm, allAlgorithmNames, allAlgorithms, applyGlobalOverride, clearGlobalOverride, compareTo, documentStrategy, getActiveStrategy, getAlgorithm, getAlgorithmClass, getName, getReference, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

Sternheimer64

public static final MeanIonizationPotential Sternheimer64

Sternheimer64 - An empirical expression for J attributed to Sternheimer by Berger and Seltzer

Bloch33

public static final MeanIonizationPotential Bloch33

Bloch33 - An empirical expression for J attributed to F Bloch

Wilson41

public static final MeanIonizationPotential Wilson41

Wilson41 - An empirical expression for J attributed to R R Wilson

Springer67

public static final MeanIonizationPotential Springer67

Springer67 - An empirical expression for J attributed to G Springer

Heinrich70

public static final MeanIonizationPotential Heinrich70

Heinrich70 - An empirical expression for J attributed to Heinrich & Yakowitz. (There

Duncumb69

public static final MeanIonizationPotential Duncumb69

Duncumb69 - An empirical expression for J attributed to Duncumb & DeCasa

Zeller75

public static final MeanIonizationPotential Zeller75

Zeller75 - An empirical expression for J attributed to C Zeller

Berger64

public static final MeanIonizationPotential Berger64

Berger64 - Measured values of the mean ionization potential attributed to Berger & Seltzer 1964

Berger83

public static final MeanIonizationPotential Berger83

Berger64 - Measured values of the mean ionization potential attributed to Berger & Seltzer 1964

Method Detail

initializeDefaultStrategy

protected void initializeDefaultStrategy()

Description copied from class: AlgorithmClass

initializeDefaultStrategy - Implement this method in derived classes to specify the contents (possibly null) of the default Strategy using the addDefaultAlgorithm(Class,AlgorithmClass) method.

Specified by:

initializeDefaultStrategy in class AlgorithmClass

getAllImplementations

public java.util.List getAllImplementations()

getAllImplementations - Returns a full list of all available algorithms. Each item is an implements the MeanIonizationClass.

Specified by:

getAllImplementations in class AlgorithmClass

Returns:

List

caveat

public java.lang.String caveat(Element el)

caveat

public java.lang.String caveat(Composition comp)

computeLn

public double computeLn(Composition comp)

computeLn - Computes the mean ionization potential for a Composition using the rule based on the ln(J_i) where J_i is the elemental MeanIonizationPotential.

Parameters:

comp - Composition

Returns:

double

compute

public abstract double compute(Element el)

eval - Each different version of the algorithm should implement this method.

Parameters:

el - Element - The element

Returns:

double - in Joules