pressure dene se resistance barta hai, aisa two metals ka name batao
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where p=resistivity
l is length of conductor
a is crossectional area.
according to heat l2=l1+d(∆t)
a2=a1+2d(∆t)
where l2,a2 and l1,a1 are lenght and crossectional area of conduction after and before heating respectively.
so,if now the substance that you are searching should have resistance that increase with pressure...i.e, with temperature.so,the materials should have a negative coefficient of expansion so that when you increase the temperature the resistance will decrease.Actually sorry... because I don't what elements have negative coefficient of expansion.i know that Mercury has that property.But you can search on internet about the elements which have negative coefficient of expansion.
hope this helps you in understanding the concept behind your question.☺️