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"Hot" New Superconductors Discovered

posted by n1 on Wednesday June 10 2015, @03:40AM   Printer-friendly
from the attractive-orchestras dept.

takyon writes:

Joe Eck's Superconductors.org is reporting the discovery of the 25th and 26th high-temperature superconductors. Sn9SbTe4Ba2MnCu15O30+ displays a critical transition temperature (Tc) near 136°C (276°F) and Sn10SbTe4Ba2MnCu16O32+ transitions near 141°C (285°F).

To grasp how exceptionally high these temperatures are, consider that 141 Celsius is warmer than the melting points of more than 45 different solder alloys.

These two new formulations resulted from expanding the unit cell of the 129C superconductor announced in March 2015. One extra Sn-Cu-O2 layer was added to reach 136C and two extra Sn-Cu-O2 layers were added to reach 141C.

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  • (Score: 2) by kaszz on Wednesday June 10 2015, @04:26PM

    by kaszz (4211) on Wednesday June 10 2015, @04:26PM (#194568) Journal

    If there is a superconductor at 136 °C then it's hot news and should be all over the place. Even one working at anything hotter than -30 °C would be great news. If it's superconducting then magnetic levitation will also work and should suffice as a screening test.

    And so if the formula public and an extraordinary claim is made. Anyone care to replicate the experiment? Or perhaps it's not just to mix the right ingredients? ....

    It could be true, but I have some serious doubts. But please try it.

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