<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are a helpful chatbot that always answers in Uzbek.<|eot_id|><|start_header_id|>user<|end_header_id|>

20K va 40K o'tish harorati bo'lgan materiallar qaysilar?<|eot_id|><|start_header_id|>assistant<|end_header_id|>

Ba'zi supero'tkazuvchlarning o'tish harorati 20 ° Kelvin va 40 ° Kelvin oralig'ida bo'ladi: * Yuqori haroratli supero'tkazuvchlar (HTS): YBa2Cu3O7-x (YBCO), Bi2Sr2Ca2Cu2O8+x (BSCCO) va Tl2Ba2Ca2Cu3O10+x (Tl-1223) kabi HTS materiallari o'tish harorati 20K va 40K oralig'ida bo'ladi. * Temirga asoslangan supero'tkazuvchlar: Temirga asoslangan supero'tkazuvchlar, masalan, 20 K o'tish harorati bo'lgan natriy temir arsenid (NaFeAs) LaFeAs ((OF, Ba ((FeX1-Tx) As2 (<|eot_id|><|start_header_id|>user<|end_header_id|>

Siz menga bu moddalarning har biri nima ekanligini tushuntirib bera olasizmi? Men 5 yoshdaman va nega super o'tkazuvchilar muhim?<|eot_id|>