Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper

From	Ian <gay@sfuu.ca>
Newsgroups	alt.unix.geeks, comp.os.linux.misc
Subject	Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper
Followup-To	alt.unix.geeks
Date	2026-01-21 09:34 -0800
Organization	To protect and to server
Message-ID	<10kr2nu$vsf5$1@paganini.bofh.team> (permalink)
References	<a9ednRJF-5R0he30nZ2dnZfqn_WdnZ2d@giganews.com> <slrn10n0jji.16lti.lars@cleo.beagle-ears.com> <gficnQlYz51yz-30nZ2dnZfqnPadnZ2d@giganews.com>

Cross-posted to 2 groups.

Followups directed to: alt.unix.geeks

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c186282 wrote:

> On 1/20/26 22:56, Lars Poulsen wrote:
>> {Note Followups-To]
>> 
>> On 2026-01-21, c186282 <c186282@nnada.net> wrote:
>>>
https://techxplore.com/news/2026-01-newly-metallic-material-thermal-upends.html
>>>
>>> Copper currently dominates the global heat-sink market, accounting
>>> for roughly 30% of commercial thermal-management materials, with
>>> a thermal conductivity of about 400 watts per meter-kelvin.
>>>
>>> The UCLA-led team found that metallic theta-phase tantalum
>>> nitride, in contrast, has an ultrahigh thermal conductivity
>>> of approximately 1,100 W/mK, setting a new benchmark for
>>> metallic materials and redefining what is possible for heat
>>> transport in metals.
>>>
>>> . . .
>>>
>>>     The new stuff is a sort-of metal ... a particular crystalline
>>>     config of tantalum nitride.
>>>
>>>     While still not a superconductor, a 2.5x boost in heat
>>>     conductivity can make a HUGE difference with IC chips.
>>>     What if you can run yer boxes with 80,000 Nvidia chips
>>>     30% faster, yet spend less on cooling them ?
>>>
>>>     Can this be easily commercialized ? Stay tuned ...
>> 
>> I seem to remember that tantalum is one of those metals mined in open
>> pits in the Congo. A "conflict mineral".
> 
>    Not sure.
> 
>    Also not sure I'm on board with the "conflict <whatever>"
>    designation. Conflicts seem eternal, and every nation and
>    faction always raises money any way it can. Note that most
>    US uranium comes from what WERE 'native lands' confiscated
>    rather recently "because we needed uranium". In short, there
>    is no way to avoid 'conflict <whatever>' and defs will vary
>    quite widely.
> 
>    In any case, likely rather small amounts of tantalum will
>    be needed ... relatively thin film heat dissipating elements.

However, almost all electronic devices contain tantalum capacitors these
days.
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New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper c186282 <c186282@nnada.net> - 2026-01-20 19:08 -0500
  Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper Lars Poulsen <lars@beagle-ears.com> - 2026-01-21 03:56 +0000
    Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper c186282 <c186282@nnada.net> - 2026-01-20 23:15 -0500
      Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper Ian <gay@sfuu.ca> - 2026-01-21 09:34 -0800
        Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper c186282 <c186282@nnada.net> - 2026-01-21 23:09 -0500
          Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper The Natural Philosopher <tnp@invalid.invalid> - 2026-01-22 10:03 +0000
            Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper c186282 <c186282@nnada.net> - 2026-01-22 13:05 -0500
              Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper The Natural Philosopher <tnp@invalid.invalid> - 2026-01-22 18:55 +0000
                Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper c186282 <c186282@nnada.net> - 2026-01-22 20:43 -0500
          Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper Rich <rich@example.invalid> - 2026-02-01 03:43 +0000
            Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper c186282 <c186282@nnada.net> - 2026-02-01 00:15 -0500
            Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper The Natural Philosopher <tnp@invalid.invalid> - 2026-02-01 11:00 +0000
              Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper c186282 <c186282@nnada.net> - 2026-02-01 17:54 -0500
  Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper "Carlos E.R." <robin_listas@es.invalid> - 2026-01-21 21:59 +0100
    Re: New 'Metal' Made With 2.5x Heat Conductivity Over Silver/Copper c186282 <c186282@nnada.net> - 2026-01-21 23:18 -0500

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