Transition temperature of YBaCuO

Click For Summary

Discussion Overview

The discussion centers around the transition temperature of Yttrium Barium Copper Oxide (YBa2Cu3O7-x), particularly in relation to varying oxygen content in samples. Participants seek to clarify accepted values and compare specific measurements.

Discussion Character

  • Technical explanation, Conceptual clarification

Main Points Raised

  • One participant requests information on the accepted transition temperature for YBaCuO, acknowledging the dependence on oxygen content.
  • Another participant states that the accepted bulk value for optimally doped YBCO is around 92K, with some reports suggesting 93K, but more accurate measurements tend to favor 92K.
  • A different participant suggests that 91K is reasonable for a bulk sample but may be considered high for a thin film.
  • The original poster expresses satisfaction with their measurement of 91K for a sample just under 1g of YBaCuO.

Areas of Agreement / Disagreement

Participants generally agree on the approximate transition temperature values, but there are nuances regarding the context of bulk versus thin film samples. The discussion does not reach a definitive consensus on a single value applicable to all scenarios.

Contextual Notes

The discussion highlights the variability in transition temperature based on sample conditions, such as oxygen content and sample thickness, but does not resolve the implications of these factors.

Barny
Messages
47
Reaction score
0
Hi,

Sorry to be a pain but I can't find what I'm looking for on the internet and our lab is locked.

I need to know the accepted transtition temperature for Yttrium Barium Copper Oxide (YBa2Cu3O(7-x)

Is anyone able to give me a figure or ideally point me in the direction of a web resource that has it?

I know this depends on exactly how much oxygen is in the sample, but is there a "general" value? My sample has T=91K but I'd like to compare this to what would be expected.

Kind Regards

Luke
 
Physics news on Phys.org
The accepted bulk value of optimally doped YBCO is 92K (some report 93K, but more accurate measurements tend to give a value closer to 92K).

91K would be a good value for e.g. a relatively thick film.
 
91K is a reasonable value for a bulk sample, but high for a thin film.
 
Thanks guys,

This was determined for just under 1g of YBaCuO, so I'm fairly happy with that result.

Much Appreciated!
 

Similar threads

Admissions Could I please get critique on my SOP? (Experimental Biophysics)
  • · Replies 9 ·
Replies
9
Views
2K
Graduate How Does Solid Hydrogen Influence Astrophysics?
  • · Replies 2 ·
Replies
2
Views
5K
Graduate BRS: PKI Cryptosystems for SA/Ms: A Tutorial
  • · Replies 13 ·
Replies
13
Views
4K