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Mai suna Superconductivity?

Electrical4u
فیلڈ: Karkashin Kuliya da Dukkana
0
China

Superconductivity ya zama da Dutch Physicist Heike Kamerlingh Onnes a shekarar 1911 a Leiden. An sanya shi da Nobel Prize a Physics a shekarar 1913 saboda hanyar rannanin ta da faduwar tafin kuliya. Wadannan abubuwa daga lokacin da ake kula su, a kan wani lamarin yadda ake kula su suka yi harsuna da tsayi na nisa, yana nufin cewa suna samun tsayi na nisa.
dutch physicist heike kamerlingh

Alamar / alammar tsayi na nisa a wurare yana nufin superconductivity.

Lambar da ake kula wurare bi zuwa hanyar tsayi na nisa, ana kiran lambar mai muhimmanci/mai tsayi. Misali na superconductors, shine Mercury. Yana zama superconductor a 4k. A cikin hanyar tsayi na nisa wurare bi suka fito magnetic field. An nuna misalai na transition curve for mercury a wannan figure -

superconductivity
Yanzuwan da ake kula wurare bi zuwa hanyar tsayi na nisa yana iya karfi. Duk da cewa a kan lambar mai muhimmanci superconductivity zai iya karfin ba tare da current daga wani wurare ko tare da magnetic field gaba-gaban da ke sa. A kan lambar mai muhimmanci (wanda ke kudi), idan tafin kuliya ta kasance maka ya zama critical current. Idan tafin kuliya ta kasance maka ya zama critical current ta kasance. Maka ya zama critical magnetic field tana iya karfin ba tare da tafin kuliya.

Superconductor Metals

Wadannan wurare daga lokacin da ake kula su a kan lambar mai muhimmanci suka samun zero resistivity ko tsayi na nisa. Wadannan wurare sunan superconductor metals. Wadannan wurare da suka fi siffar superconductivity da kuma lambar mai muhimmanci/mai tsayi suna nufin a table ta haka –

SL Superconductor Chemical Symbol Critical/Transition Temperature TC(K) Critical Magnetic Field BC(T)
1 Rhodium Rh 0 0.0000049
2 Tungsten W 0.015 0.00012
3 Beryllium Be 0.026
4 Iridium Ir 0.1 0.0016
5 Lutetium Lu 0.1
6 Hafnium Hf 0.1
7 Ruthenium Ru 0.5 0.005
8 Osmium Os 0.7 0.007
9 Molybdenum Mo 0.92 0.0096
10 Zirconium Zr 0.546 0.0141
11 Cadmium Cd 0.56 0.0028
12 Uranium U 0.2
13 Titanium Ti
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