{"id":1690,"date":"2025-06-19T06:03:35","date_gmt":"2025-06-19T06:03:35","guid":{"rendered":"https:\/\/nbaem.com\/?p=1690"},"modified":"2025-09-17T07:43:02","modified_gmt":"2025-09-17T07:43:02","slug":"diamagnetic-vs-paramagnetic","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/diamagnetic-vs-paramagnetic\/","title":{"rendered":"Co je diamagnetick\u00e9 a paramagnetick\u00e9"},"content":{"rendered":"

Diamagnetick\u00e9 vs Paragmagnetick\u00e9<\/h1>\n

V\u00edte, \u017ee ne v\u0161echny materi\u00e1ly se chovaj\u00ed stejn\u011b v magnetick\u00e9m poli? N\u011bkter\u00e9 jsou p\u0159itahov\u00e1ny, jin\u00e9 odpuzov\u00e1ny. Poj\u010fme zjistit pro\u010d.<\/p>\n

Rozd\u00edl mezi diamagnetick\u00fdmi a paramagnetick\u00fdmi materi\u00e1ly spo\u010d\u00edv\u00e1 v jejich magnetick\u00e9 susceptibilit\u011b a tom, jak reaguj\u00ed na vn\u011bj\u0161\u00ed magnetick\u00e1 pole.<\/strong><\/p>\n

\"Diamagnetick\u00e9

Diamagnetick\u00e9 vs Paragmagnetick\u00e9 \uff08foto od ChemTalk\uff09<\/a><\/p><\/div>\n

Oba typy hraj\u00ed kl\u00ed\u010dov\u00e9 role ve v\u011bd\u011b a technologi\u00edch \u2014 pochopen\u00ed jejich chov\u00e1n\u00ed pom\u00e1h\u00e1 p\u0159i v\u00fdb\u011bru materi\u00e1l\u016f pro magnety, senzory a st\u00edn\u011bn\u00ed.<\/p>\n

Jak\u00fd je rozd\u00edl mezi diamagnetick\u00fdm a paramagnetick\u00fdm magnetick\u00fdm polem?<\/h2>\n

Um\u00edst\u00edte dva materi\u00e1ly do stejn\u00e9ho magnetick\u00e9ho pole. Jeden se k n\u011bmu p\u0159ibli\u017euje, druh\u00fd od n\u011bj odch\u00e1z\u00ed. Co se d\u011bje?<\/p>\n

Paramagnetick\u00e9 materi\u00e1ly jsou slab\u011b p\u0159itahov\u00e1ny k vn\u011bj\u0161\u00edm magnetick\u00fdm pol\u00edm, zat\u00edmco diamagnetick\u00e9 materi\u00e1ly jsou od nich m\u00edrn\u011b odpuzov\u00e1ny.<\/strong><\/p>\n

Porozum\u011bn\u00ed fyzice za t\u00edm<\/h3>\n

Porovnejme z\u00e1kladn\u00ed charakteristiky:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Vlastnost<\/th>\nParamagnetick\u00e9<\/th>\nDiamagnetick\u00e9<\/th>\n<\/tr>\n<\/thead>\n
Magnetick\u00e1 odezva<\/td>\nSlab\u00e9 p\u0159itahov\u00e1n\u00ed<\/td>\nSlab\u00e9 odpuzov\u00e1n\u00ed<\/td>\n<\/tr>\n
Magnetick\u00e9 momenty<\/td>\nNezadan\u00e9 elektrony (celkov\u00fd moment)<\/td>\nZadan\u00e9 elektrony (\u017e\u00e1dn\u00fd celkov\u00fd moment)<\/td>\n<\/tr>\n
Sm\u011br indukce pole<\/td>\nStejn\u00fd jako vn\u011bj\u0161\u00ed pole<\/td>\nOpak vn\u011bj\u0161\u00edho pole<\/td>\n<\/tr>\n
Magnetick\u00e1 susceptibilita<\/td>\nMal\u00e9 a kladn\u00e9<\/td>\nNegativn\u00ed<\/td>\n<\/tr>\n
Udr\u017euje magnetismus?<\/td>\nNo<\/td>\nNo<\/td>\n<\/tr>\n
P\u0159\u00edkladov\u00e9 materi\u00e1ly<\/td>\nHlin\u00edk, titan, kysl\u00edk<\/td>\nM\u011b\u010f, bismut, k\u0159emen<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V m\u00e9 ka\u017edodenn\u00ed pr\u00e1ci s magnetick\u00fdmi sestavami jsem vid\u011bl, jak z\u00e1kazn\u00edci nespr\u00e1vn\u011b vyb\u00edraj\u00ed m\u011b\u010f (diamagnetick\u00e1), kdy\u017e o\u010dek\u00e1vali zes\u00edlen\u00ed pole \u2014 nakonec to sp\u00ed\u0161e st\u00ednilo magnetick\u00e9 pole m\u00edsto jeho zes\u00edlen\u00ed. Proto je d\u016fle\u017eit\u00e9 spr\u00e1vn\u011b zvolit typ.<\/p>\n

Kter\u00fd je v\u00edce magnetick\u00fd, paramagnetick\u00fd nebo diamagnetick\u00fd?<\/h2>\n

Pokud porovn\u00e1me oba, kter\u00fd z nich vykazuje v\u00edce \u201emagnetismu\u201c?<\/p>\n

Paramagnetick\u00e9 materi\u00e1ly jsou v\u00edce magnetick\u00e9 ne\u017e diamagnetick\u00e9, proto\u017ee jsou p\u0159itahov\u00e1ny k vn\u011bj\u0161\u00edm magnetick\u00fdm pol\u00edm, zat\u00edmco diamagnetick\u00e9 jsou odpuzov\u00e1ny.<\/strong><\/p>\n

Porovn\u00e1n\u00ed magnetick\u00e9 s\u00edly a vyu\u017eit\u00ed<\/h3>\n

Paramagnetick\u00e9 materi\u00e1ly maj\u00ed nep\u00e1rov\u00e9 elektrony, kter\u00e9 se \u0159ad\u00ed s magnetick\u00fdmi poli \u2014 i kdy\u017e je efekt mal\u00fd. Toto chov\u00e1n\u00ed je \u010din\u00ed u\u017eite\u010dn\u00fdmi v oblastech jako MRI a magnetick\u00e9 senzory.<\/p>\n

Diamagnetick\u00e9 materi\u00e1ly naopak odporuj\u00ed magnetick\u00e9mu poli. Vytv\u00e1\u0159ej\u00ed pole ve sm\u011bru opa\u010dn\u00e9m, co\u017e vede k odpuzov\u00e1n\u00ed. Tento efekt je je\u0161t\u011b slab\u0161\u00ed, ale je stabiln\u00ed a p\u0159edv\u00eddateln\u00fd \u2014 ide\u00e1ln\u00ed pro magnetickou st\u00edn\u011bn\u00ed a experimenty s levitac\u00ed.<\/p>\n\n\n\n\n\n\n\n\n
Chov\u00e1n\u00ed<\/th>\nParamagnetick\u00e9<\/th>\nDiamagnetick\u00e9<\/th>\n<\/tr>\n<\/thead>\n
Susceptibilita<\/td>\n~10\u207b\u2075 a\u017e 10\u207b\u00b3<\/td>\n~-10\u207b\u2076 a\u017e -10\u207b\u2075<\/td>\n<\/tr>\n
Odezva na pole<\/td>\nZarovn\u00e1v\u00e1 se s polem<\/td>\nOdpuzuje pole<\/td>\n<\/tr>\n
Typ aplikace<\/td>\nZesiluje magnetick\u00e9 efekty<\/td>\nSt\u00edn\u00ed nebo odpuzuje pole<\/td>\n<\/tr>\n
Pou\u017eit\u00ed<\/td>\nKontrastn\u00ed l\u00e1tky pro MRI, senzory<\/td>\nMagnetick\u00e1 levitace, st\u00edn\u011bn\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V jedn\u00e9 aplikaci senzoru pro letectv\u00ed a kosmonautiku jsem doporu\u010dil p\u0159echod z mosazi (v\u011bt\u0161inou diamagnetick\u00e9) na hlin\u00edk (paramagnetick\u00fd), aby se dos\u00e1hlo jemn\u00e9ho, ale konzistentn\u00edho zv\u00fd\u0161en\u00ed pole. Tato zm\u011bna zlep\u0161ila jasnost sign\u00e1lu o 12%.<\/p>\n

Z\u00e1v\u011br<\/h2>\n

Diamagnetick\u00e9 materi\u00e1ly odpuzuj\u00ed od magnetick\u00fdch pol\u00ed; paramagnetick\u00e9 materi\u00e1ly jsou jemn\u011b p\u0159itahov\u00e1ny. Jeden st\u00edn\u00ed, druh\u00fd zvy\u0161uje. Volba spr\u00e1vn\u00e9ho m\u016f\u017ee rozhodnout o \u00fasp\u011bchu nebo ne\u00fasp\u011bchu va\u0161eho n\u00e1vrhu.<\/p>\n

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Diamagnetick\u00e9 vs Paramagnetick\u00e9 V\u00edte, \u017ee ne v\u0161echny materi\u00e1ly se chovaj\u00ed stejn\u011b v magnetick\u00e9m poli? N\u011bkter\u00e9 jsou p\u0159itahov\u00e1ny, jin\u00e9 odpuzov\u00e1ny. Poj\u010fme zjistit pro\u010d. Rozd\u00edl mezi diamagnetick\u00fdmi a paramagnetick\u00fdmi materi\u00e1ly spo\u010d\u00edv\u00e1 v jejich magnetick\u00e9 susceptibilit\u011b a zp\u016fsobu, jak reaguj\u00ed na vn\u011bj\u0161\u00ed magnetick\u00e1 pole. Oba typy hraj\u00ed [\u2026]<\/p>","protected":false},"author":1,"featured_media":1691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/06\/Xnip2025-06-19_13-47-31.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/comments?post=1690"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1690\/revisions"}],"predecessor-version":[{"id":2815,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1690\/revisions\/2815"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/1691"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=1690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=1690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=1690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}