History of ALD terminology: Growth per cycle (GPC)

Growth per cycle (GPC) is a term that is increasingly often used in ALD literature. Since when has it been used? Who has created it, or has it been created by many?

A discussion chain was just started in LinkedIn in the ALD - Atomic Layer Deposition group to find answers to these questions. Link to LinkedIn discussion chain: https://www.linkedin.com/groups/1885076/1885076-6122818578006757376. Your views appreciated!


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Virtual Project on the History of ALD (VPHA) - in atmosphere of Openness, Respect, and Trust

VPHA status update 2016-03-31

 The status update below was sent to 52 co-authors and 30 prospective co-authors.

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Dear VPHA co-authors and prospective co-authors,

This VPHA status update shares progress in the following topics. The previous VPHA update was dated 12.2.2016, earlier updates can be accessed here.

• 1.       VPHA abstract to Ireland ALD 2016: a poster
• 2.       VPHA reading status & preparing to Ireland ALD 2016
• 3.       VPHA listed as a Collaboration in HERALD
• 4.       Worldwide list: ALD theses
• 5.       Worldwide list: reviews
• 6.       Worldwide list: conferences
• 7.       ALD terminology discussion
• 8.       Other ALD History Blog posts

ALD terminology discussion: Ligand exchange reaction

Since when is term "ligand exchange reaction" used in the ALD literature? How has it been defined? How about "exchange reaction" - is it used interchangeably with ligand exchange reaction, or do they have different meanings? A discussion thread to find answers to these questions was just started in the ALD - Atomic Layer Deposition LinkedIn group, link to thread: https://www.linkedin.com/groups/1885076/1885076-6108533900315803648. Comments appreciated!

Thanks to Simon Elliott for proposing ligand exchange reaction in the list of ALD terminology to be discussed. 

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Virtual Project on the History of ALD (VPHA) - in atmosphere of Openness, Respect, and Trust

ALD terminology discussion: Half reaction

"Half reaction" is a term that is to a growing extent being used in the ALD literature. It is used elsewhere, too, mainly to describe the oxidation or reduction components of a redox (reduction-oxidation) reaction for example in electrochemistry (see https://en.wikipedia.org/wiki/Half-reaction). When has term "half reaction" been introduced in the ALD literature, by whom, and why? A discussion thread to find answers to these question was just started in LinkedIn ALD - Atomic Layer Deposition group, link to thread: https://www.linkedin.com/groups/1885076/1885076-6100552712707985409. Comments appreciated!

VPHA status update 2016-01-22

The status update below was sent to 45 co-authors and 32 prospective co-authors.

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Dear current and prospective VPHA co-authors,

VPHA progresses. In this update, you find information on:

1. New: ALD thesis list
2. Questions to the ALD History review
3. Wikipedia update
4. ALD terminology discussion
5. ALD 2016 abstract
6. VPHA in numbers

ALD terminology discussion: ALD Window

"ALD window" (sometimes, ALD temperature window) is a term used widely in ALD literature.

Although this term is widely used and specific to ALD, rarely, an original source is pointed out.

Who created this term, and when? Can the first (public, written) record for this be tracked back? How was ALD Window originally defined and how did it look like? Nowadays, exactly how it is described, may tend to differ slightly from one source to the other.

I am asking, because by the time that we will write the ALD History Review (#10 in the VPHA Publication Plan, http://vph-ald.com/Publication%20Plan.html), we should know.

New open file: VPHA-ALD-terminology

Following suggestions received after the previous VPHA email update (17.12.), a new open file has been set up for VPHA co-editing, called VPHA-ALD-terminology. We will collect here ALD-specific terminology that people would like to discuss.

• Direct link here. 
• The link can also be found through the page http://vph-ald.com/VPHAopenfiles.html.