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SPECTRAL LIBRARY #1:  "Common Materials"
>8,500 spectra organized in 54 directories

The “XPS Spectral Library of Common Materials” is a truly unique, “self-consistent” collection of more than 8,500 digitized XPS spectra that were obtained by measuring commonplace materials (e.g.  alloys, glasses, metals, minerals, oxides, polymers, etc.) under well controlled experimental conditions. A table of contents that summarizes the contents of this library is provided just at the right of this description.

This library of spectra was measured over a 10 year time period by a single scientist who used two well characterized XPS systems equipped with an Al monochromatic X-ray source.  Under these conditions the collection is considered to be a “self-consistent” collection of spectra which maximizes the reliability of the data, the numbers and information derived from them, and also the comparisons made with spectra that are produced by the user. 

The “XPS Spectral Library of Common Materials” of 8,500 spectra is stored in over 1,700 multi-spectra data-files which are systematically organized as a modular system of 50 directories with names that are easily recognized by analysts, engineers, scientists, and teachers.

The spectral data contained within this library are designed to assist engineers, scientists, analysts, theoreticians, and teachers who use XPS on an everyday basis under practical working conditions. These spectra will help XPS users to analyze industrial problems, gather reference data, perform basic research, test theories, and teach others.  The main purpose of this collection is to provide reliable spectra that can be used in a practical manner on a daily basis by many different XPS users with different needs and responsibilities.

The spectra in this library are designed to be practical, reference spectra for everyday use and comparisons and were obtained under practical working conditions.  Even though research grade spectra were not the target of the methodology used, there are, in fact, many hundreds of research grade spectra in this library.

The “self-consistent” methodology used to produce this library of spectra has greatly minimized the random and systematic errors that cause various troubles in other collections of BE numbers or spectra that were produced by gathering BEs or spectra produced by many different groups who used many different instruments, many different charge compensation methods,  and many different energy scale calibration styles.

By design, the directories, filenames, and samples have names and descriptions that directly identify the basic content or the purpose of each directory or file.  Most of these names are very familiar to XPS users, analysts, engineers, scientists, and teachers.  Numerical filenames, which add an unnecessary level of complication, were not used.  All systems or libraries produced by XPS International LLC are designed to be practical, systematically organized, easy to use, and easy to understand. 

The “XPS Spectral Library of Common Materials” currently occupies about 100 MB of memory in binary form or about 150 MB in ASCII form, and is supplied on CD-ROMs.

With the purchase of the “XPS Spectral Library #1 of Common Materials”, the user will receive a free copy of the advanced spectral data processing software, “Spectral Data Processor v4.3” and a set of 27 computer-based training movies each 5-10 min. long to teach how to operate SDP.


  Directory Name Material Class #Spectra # Species # Files
  Acetylacetonates, metal metal acetyl-acetonates (pressed pellets) >150 19 >20
  Acetates, metal metal acetates (powders) 15 2 2
  Alloys, and Intermetallics metal alloys, steels {as rec’d & etched} >850 77 >140
  Alumino-silicates, natural metal alumino-silicates (nat’l crystals) >40 3 3
  Antistatic agents anti-static bag & coatings 40 6 6
  Borides metal borides (pressed pellets) 36 6 6
  Calibrations energy scale calibration spectra >300 2 87
  Carbides metal carbides (pressed pellets) 40 3 5
  Carbon different forms of carbon >120 13 >25
  Carbonates metal carbonates (pressed pellets) >150 15 >15
  Catalysts catalyst materials (new & used) >170 15 28
  Chalcogenides chalcogenides (cleaved in air) >80 9 12
  Chromatographic Materials chromatographic materials (powders) 20 5 5
  Carbon Blacks carbon black materials (as rec’d) 30 9 9
  Carbon Fibers carbon fibers (as rec’d) 13 5 5
  Diamond diamond related materials 50 10 12
Elements, Ag-Zr - Overnight Studies elements: Al-Lu >800 87 >180
  Elements, Ag-Zr - Reference Values reliable secondary reference energies 72 52 172
  Elements, Energy Scale calibrations energy scale calibration >300 2 80
  Fabrics, Cloth fabric and cloth materials (as rec’d) 12 2 2
  Glasses glasses (cleaved in air) >300 40 >50
  Glove Garbage contamination from gloves >50 22 24
  Halides binary halides (crystals cleaved in air) >100 10 >15
  Hydroxides, metal binary hydroxides (pressed pellets) 60 8 9
  Lubricants WD-40 and MoS2 6 2 2
  Minerals, Natural natural minerals (crystals cleaved in air) >400 36 45
  Miscellaneous miscellaneous materials 140 >25 >25
  Nitrides metal nitrides (as rec’d & etched) >100 6 >15
  Oxides, Binary Metal binary oxides (pressed pellets) >900 80 >100
  Oxides, Mixed mixed oxides (cleaved or pressed) 120 >15 >15
  Oxides, Native Elemental native oxide films on elements (as rec’d) 200 41 41
  Oxides, Rare Earth rare earth oxides (pressed pellets) 90 12 12
  Papers & Printing Inks papers, fibers, and ink samples >250 43 45
  Phosphides inorganic metal phosphides >60 7 10
  Polymers, Purified high purity polymers from NECSA/BIO 100 31 100
  Polymers & Polymer Damage organic polymers degraded during XPS >600 48 60
  PSG on Silicon wafers phosphorous silicate glass on silicon 62 11 11
  Residues from Evaporations tap water residues and human spit 26 4 4
  Semi-Conductors semiconductor materials (cleaved/etched) >650 >70 110
  Semi-Conductor, Related semiconductor related materials >450 48 70
  Semi-Precious stones fractured bulk of semi-precious stones 50 10 10
  Silicides binary silicides (as rec’d & etched) 50 2 6
  Sulfides binary sulfides (cleaved or pressed) 100 10 14
  Super-Conductors superconductor materials (scraped) 80 5 15
  Tests and Checks of XPS Instrument checks done on system behavior 250 3 96
  Titanates metal titanates (cleaved in air) 31 3 4
  Transmission Function Studies spectrometer transmission studies 50 3 16
  Tungstates metal tungstates (pressed or cleaved) 33 4 4
  VB Spectra from Elements valence band data from elements 37 37 40
  VB Spectra from Binary Oxides valence band data from binary oxides 70 70 70
  VB Spectra from Semiconductors valence band data from semiconductors 50 50 50
  Yeast materials various yeasts 50 10 1
  Zeolites zeolites (as rec’d after treatments) 60 14 18

Spectral Library #1



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