Specific Process Knowledge/Characterization/XPS/Processing/ALDSandwich1/3scanned - Revision history

Jmli at 09:38, 21 October 2025

2025-10-21T09:38:42Z

← Older revision		Revision as of 11:38, 21 October 2025
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	=Processing of high resolution scanned spectra =		=Processing of high resolution scanned spectra =

Jmli at 14:11, 24 August 2021

2021-08-24T14:11:16Z

← Older revision		Revision as of 16:11, 24 August 2021
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	=Processing of high resolution scanned spectra =		=Processing of high resolution scanned spectra =

Jmli: /* The Ti2p peak */

2018-12-05T08:57:14Z

The Ti2p peak

← Older revision		Revision as of 10:57, 5 December 2018
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	== The Ti2p peak ==		== The Ti2p peak ==
	The titanium Ti2p peak is notoriously difficult to fit. Let us first look for some clues in [[Specific Process Knowledge/Characterization/XPS/Processing/XPSknowledgeview \|XPS Knowledge view]].		The titanium Ti2p peak is notoriously difficult to fit. Let us first look for some clues in [[Specific Process Knowledge/Characterization/XPS/Processing/XPSknowledgeview \|XPS Knowledge view]]. The section below is a copy of the content in XPS Knowledge View (Avantage version 5.986).

	=== XPS Knowledge on the fitting of the Ti2p peak ===		=== XPS Knowledge on the fitting of the Ti2p peak ===

Jmli: /* The Ti2p peak */

2018-12-05T08:54:17Z

The Ti2p peak

← Older revision		Revision as of 10:54, 5 December 2018
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	== The Ti2p peak ==		== The Ti2p peak ==
	The titanium Ti2p peak is notoriously difficult to fit. Let us first look for some clues in [[Specific Process Knowledge/Characterization/XPS/Processing/XPSknowledgeview \|XPS Knowledge view]].		The titanium Ti2p peak is notoriously difficult to fit. Let us first look for some clues in [[Specific Process Knowledge/Characterization/XPS/Processing/XPSknowledgeview \|XPS Knowledge view]].


	=== XPS Knowledge on the fitting of the Ti2p peak ===		=== XPS Knowledge on the fitting of the Ti2p peak ===
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	** ''Sub-oxides and/or metal may be formed during sputtering of the oxide.''		** ''Sub-oxides and/or metal may be formed during sputtering of the oxide.''

			=== The fitting of the Ti2p peak ===

			'''Please note that clicking on any of the two spectra above when using XPS Knowledge View in Avantage will generate a new processing grid with this particular set of data, peak table etc. It may be quite convenient to investigate what constraints have been added - obviously also for any other element.'''
	'''Please note that clicking on any of the two spectra above when using XPS Knowledge View will generate a new processing grid ~~in Avantage~~ with this particular set of data, peak table etc. It may be quite convenient to investigate what constraints have been added - obviously also for any other element.'''

	The only challenge we are missing from this cocktail of asymmetric peak shapes, differences in spin-orbit splitting, reduction of fully oxidized Ti2p to sub-oxides and satellite features is the presence of TiN.		The only challenge we are missing from this cocktail of asymmetric peak shapes, differences in spin-orbit splitting, reduction of fully oxidized Ti2p to sub-oxides and satellite features is the presence of TiN.

Jmli: /* The Ti2p peak */

2018-12-05T08:51:54Z

The Ti2p peak

← Older revision		Revision as of 10:51, 5 December 2018
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	== The Ti2p peak ==		== The Ti2p peak ==
	The titanium Ti2p peak is notoriously difficult to fit. ~~From~~ [[Specific Process Knowledge/Characterization/XPS/Processing/XPSknowledgeview \|XPS Knowledge view]] ~~we have:~~		The titanium Ti2p peak is notoriously difficult to fit. Let us first look for some clues in [[Specific Process Knowledge/Characterization/XPS/Processing/XPSknowledgeview \|XPS Knowledge view]].


			=== XPS Knowledge on the fitting of the Ti2p peak ===

	'''''Binding energies of common chemical states'''''		'''''Binding energies of common chemical states'''''

Jmli: /* The Ti2p peak */

2018-11-29T14:37:53Z

The Ti2p peak

← Older revision		Revision as of 16:37, 29 November 2018
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	First, let us find some reasonable parameters for the Ti2p metallic peak. For that purpose, we analyse an old data set acquired on pure Ti.		First, let us find some reasonable parameters for the Ti2p metallic peak. For that purpose, we analyse an old data set acquired on pure Ti.

	[[File:Ti 2p highres 1.jpg\|700px]]		[[File:Ti 2p highres 1.jpg\|700px]]

Jmli: /* The Ti2p peak */

2018-10-23T13:19:37Z

The Ti2p peak

← Older revision		Revision as of 15:19, 23 October 2018
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	\| ''Ti metal'' \|\| ''454.1''		\| ''Ti metal'' \|\| ''454.1''
	\|-		\|-
	\| ''TiN'' \|\| ~~545~~.9		\| ''TiN'' \|\| 454.9
	\|-		\|-
	\| ''TiO<sub>2</sub>'' \|\| ''458.5''		\| ''TiO<sub>2</sub>'' \|\| ''458.5''

Jmli: /* The Ti2p peak */

2018-10-23T12:37:00Z

The Ti2p peak

← Older revision		Revision as of 14:37, 23 October 2018
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	\| ''TiN'' \|\| 545.9		\| ''TiN'' \|\| 545.9
	\|-		\|-
	\| ''TiO<sub>2~~</sub>~~</sub>'' \|\| ''458.5''		\| ''TiO<sub>2</sub>'' \|\| ''458.5''
	\|-		\|-
	\| ''SrTiO<sub>2</sub>'' \|\| ''458.4''		\| ''SrTiO<sub>2</sub>'' \|\| ''458.4''

Jmli: /* The Ti2p peak */

2018-10-23T12:36:24Z

The Ti2p peak

@@ Line 53: / Line 53: @@
 == The Ti2p peak ==
 The titanium Ti2p peak is notoriously difficult to fit. From [[Specific Process Knowledge/Characterization/XPS/Processing/XPSknowledgeview |XPS Knowledge view]] we have:
 *'' Ti metal gives asymmetric Ti2p peak shapes''

Jmli: /* The Ti2p peak */

2018-10-23T12:26:17Z

The Ti2p peak

← Older revision		Revision as of 14:26, 23 October 2018
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	* The Lorentzian-to-Gaussian ratio is freed. Before, it was set to 100.		* The Lorentzian-to-Gaussian ratio is freed. Before, it was set to 100.
	* The three asymmetry parameters 'Tail Mix', 'Tail Height' and 'Tail Exponent' are also free to find a minimum within some restricted range on the condition that the parameters of the two peaks be the same.		* The three asymmetry parameters 'Tail Mix', 'Tail Height' and 'Tail Exponent' are also free to find a minimum within some restricted range on the condition that the parameters of the two peaks be the same.
	An optimum fit is produced and accepted. In this case the outcome of the fitting is irrelevant for us - the interesting part is the the Peak table. To save it, click the 'Save Peak Table' button shown in the green square and save as *.vgt file.		An optimum fit is produced and accepted. In this case the outcome of the fitting is irrelevant for us - the interesting part is the the Peak table. To save it, click the upper 'Save Peak Table' button shown in the green square and save as *.vgt file. To load the peak table into our Ti2p fitting, click the lower 'Load Peak Table' in the green square.