Karbid k\u0159em\u00edku (SiC) se vyzna\u010duje v\u00fdjime\u010dn\u00fdmi vlastnostmi, d\u00edky nim\u017e je velmi \u017e\u00e1dan\u00fd v mnoha oblastech pou\u017eit\u00ed, od v\u00fdkonov\u00e9 elektroniky v elektromobilech a\u017e po polovodi\u010dovou elektroniku obecn\u011b. Vlastnosti polovodi\u010de SiC s \u0161irokou zak\u00e1zanou z\u00f3nou umo\u017e\u0148uj\u00ed ni\u017e\u0161\u00ed odpor p\u0159i vy\u0161\u0161\u00edch teplot\u00e1ch, co\u017e p\u0159isp\u00edv\u00e1 k v\u00fdvoji men\u0161\u00edch a rychlej\u0161\u00edch syst\u00e9m\u016f pro p\u0159em\u011bnu energie s vy\u0161\u0161\u00ed energetickou \u00fa\u010dinnost\u00ed.<\/p>\n
SiC se v p\u0159\u00edrod\u011b vyskytuje v nepatrn\u00fdch mno\u017estv\u00edch v meteoritech, korundu a lo\u017eisc\u00edch kimberlitu; v\u011bt\u0161ina komer\u010dn\u00ed v\u00fdroby karbidu k\u0159em\u00edku se v\u0161ak prov\u00e1d\u00ed synteticky.<\/p>\n
Karbid k\u0159em\u00edku (SiC) je mimo\u0159\u00e1dn\u011b pevn\u00e1 a tvrd\u00e1 keramick\u00e1 slou\u010denina s tvrdost\u00ed podle Mohsovy stupnice bl\u00ed\u017e\u00edc\u00ed se tvrdosti diamantu, kter\u00e1 se vyzna\u010duje vynikaj\u00edc\u00ed tepelnou a elektrickou vodivost\u00ed, extr\u00e9mn\u011b vysokou teplotou t\u00e1n\u00ed, odolnost\u00ed proti korozi a tepeln\u00e9mu rozta\u017een\u00ed \u2013 d\u00edky t\u011bmto vlastnostem je vhodn\u00e1 pro vysoce v\u00fdkonn\u00e9 technick\u00e9 aplikace, jako jsou lo\u017eiska \u010derpadel, ventily, trysky pro p\u00edskov\u00e1n\u00ed nebo extruzn\u00ed matrice. Jako elektrick\u00fd vodi\u010d a polovodi\u010dov\u00fd materi\u00e1l se tak\u00e9 vyzna\u010duje vynikaj\u00edc\u00edmi odporov\u00fdmi vlastnostmi; odpor SiC je 10kr\u00e1t vy\u0161\u0161\u00ed ne\u017e u k\u0159em\u00edku (Si) a vy\u0161\u0161\u00ed je i jeho nap\u011b\u0165ov\u00e1 odolnost.<\/p>\n
SiC je materi\u00e1l s hust\u011b uspo\u0159\u00e1danou m\u0159\u00ed\u017ekou, kter\u00fd se skl\u00e1d\u00e1 z atom\u016f uhl\u00edku a k\u0159em\u00edku kovalentn\u011b v\u00e1zan\u00fdch do tetraedrick\u00fdch struktur kovalentn\u00edmi vazbami; tyto struktury jsou ve sv\u00fdch vrcholech propojeny kovalentn\u00edmi vazbami a tvo\u0159\u00ed tak polytypy, kter\u00e9 se navz\u00e1jem spojuj\u00ed ve vrcholech a vytv\u00e1\u0159ej\u00ed mnohost\u011bny, je\u017e se skl\u00e1daj\u00ed do pol\u00e1rn\u00edch struktur zvan\u00fdch polytypy, p\u0159i\u010dem\u017e jejich krystalov\u00e9 struktury ur\u010duj\u00ed jejich fyzik\u00e1ln\u00ed vlastnosti; SiC je nerozpustn\u00fd ve vod\u011b, ale rozpustn\u00fd v alk\u00e1li\u00edch, jako jsou NaOH nebo KOH, stejn\u011b jako v \u017eeleze.<\/p>\n
Pevn\u00e1 l\u00e1tka vykazuje vynikaj\u00edc\u00ed elektrick\u00e9 vlastnosti a v z\u00e1vislosti na \u0161\u00ed\u0159ce sv\u00e9 energetick\u00e9 mezery m\u016f\u017ee b\u00fdt pou\u017eita bu\u010f jako vodi\u010d, nebo jako izol\u00e1tor; d\u00edky t\u00e9to \u0161irok\u00e9 meze\u0159e se elektrony snadno pohybuj\u00ed mezi valen\u010dn\u00edm a vodiv\u00fdm p\u00e1smem; naproti tomu izol\u00e1tory maj\u00ed obvykle velmi \u0161irok\u00e9 energetick\u00e9 mezery, co\u017e vy\u017eaduje zna\u010dn\u00e9 mno\u017estv\u00ed energie, aby elektrony tuto mezeru p\u0159ekonaly a dostaly se do vodiv\u00e9ho p\u00e1sma.<\/p>\n
SiC se vyzna\u010duje \u0161irokou energetickou mezerou, d\u00edky n\u00ed\u017e odol\u00e1v\u00e1 velmi vysok\u00fdm teplot\u00e1m, ani\u017e by se roztavil, a je tak ide\u00e1ln\u00ed pro pr\u016fmyslov\u00e9 pece \u010di raketov\u00e9 motory. Nav\u00edc d\u00edky sv\u00e9 odolnosti v\u016f\u010di z\u00e1\u0159en\u00ed dok\u00e1\u017ee SiC po dlouhou dobu absorbovat a uchov\u00e1vat tepelnou energii.<\/p>\n
D\u00edky sv\u00e9 odolnosti v\u016f\u010di extr\u00e9mn\u00edm teplot\u00e1m a radia\u010dn\u00edmu z\u00e1\u0159en\u00ed je SiC ide\u00e1ln\u00edm materi\u00e1lem pro kosmickou technologii. Nap\u0159\u00edklad p\u0159i prvn\u00ed evropsk\u00e9 pr\u016fzkumn\u00e9 misi k Merkuru, BepiColombo, se v r\u00e1mci mise BepiColombo vyu\u017e\u00edvaj\u00ed blokovac\u00ed SiC diody vyvinut\u00e9 spole\u010dnost\u00ed Alter Technology \u2013 specialistou na elektroniku ur\u010denou pro kosmick\u00e9 prost\u0159ed\u00ed \u2013 tyto diody zvy\u0161uj\u00ed \u00fa\u010dinnost m\u011bni\u010d\u016f pro elektromobily a t\u00edm prodlu\u017euj\u00ed dojezd. Krom\u011b toho vynikaj\u00edc\u00ed elektrick\u00e9 vlastnosti SiC tak\u00e9 umo\u017e\u0148uj\u00ed st\u0159\u00edda\u010d\u016fm elektromobil\u016f v\u00fdrazn\u011b prodlou\u017eit dojezd.<\/p>\n
Karbid k\u0159em\u00edku (SiC) je neoxidov\u00e1 keramika s mnoha \u017e\u00e1douc\u00edmi chemick\u00fdmi a fyzik\u00e1ln\u00edmi vlastnostmi, mezi n\u011b\u017e pat\u0159\u00ed odolnost v\u016f\u010di teplu, od\u011bru a korozi, jako\u017e i vysok\u00e1 hustota. Jako hust\u00fd materi\u00e1l s vysokou teplotou t\u00e1n\u00ed je ide\u00e1ln\u00edm materi\u00e1lem pro vysokoteplotn\u00ed aplikace; nav\u00edc je jeho cena ve srovn\u00e1n\u00ed s jin\u00fdmi keramick\u00fdmi materi\u00e1ly p\u0159\u00edzniv\u00e1; jeho tvarovatelnost umo\u017e\u0148uje vytv\u00e1\u0159et r\u016fzn\u00e9 tvary v r\u016fzn\u00fdch kvalit\u00e1ch, v\u010detn\u011b alfa (a-SiC) a beta variant polymorf\u016f SiC, kter\u00e9 se v posledn\u00ed dob\u011b prosadily na trhu; \u010dast\u011bji pou\u017e\u00edvanou variantou je alfa-varianta; v posledn\u00ed dob\u011b v\u0161ak jej\u00ed prot\u011bj\u0161ek, beta-varianta, v\u00fdrazn\u011b pos\u00edlil sv\u016fj pod\u00edl na trhu, av\u0161ak s rostouc\u00edm komer\u010dn\u00edm vyu\u017eit\u00edm si alfa-SiC i nad\u00e1le udr\u017euje svou dominanci!<\/p>\n
SiC je velmi univerz\u00e1ln\u00ed materi\u00e1l, kter\u00fd se pou\u017e\u00edv\u00e1 v \u0161irok\u00e9 \u0161k\u00e1le aplikac\u00ed, od brusiv a \u0159ezac\u00edch n\u00e1stroj\u016f p\u0159es konstruk\u010dn\u00ed materi\u00e1ly (nepr\u016fst\u0159eln\u00e9 vesty a brzdov\u00e9 kotou\u010de automobil\u016f) a\u017e po \u017e\u00e1ruvzdorn\u00e9 cihly, bleskojistky a zrcadlov\u00e9 materi\u00e1ly v astronomick\u00fdch dalekohledech. Krom\u011b toho \u0161irok\u00e1 energetick\u00e1 mezera SiC umo\u017e\u0148uje elektron\u016fm voln\u011bj\u0161\u00ed pohyb z valen\u010dn\u00edch p\u00e1sem do vodiv\u00fdch p\u00e1sem, co\u017e vede k vy\u0161\u0161\u00edm sp\u00ednac\u00edm elektrick\u00fdm pol\u00edm s rychlej\u0161\u00edmi rychlostmi p\u0159em\u011bny energie a zv\u00fd\u0161enou energetickou \u00fa\u010dinnost\u00ed.<\/p>\n
Vzhledem k r\u016fzn\u00fdm uspo\u0159\u00e1d\u00e1n\u00edm atom\u016f uhl\u00edku a k\u0159em\u00edku v jeho krystalov\u00e9 struktu\u0159e vykazuje ka\u017ed\u00fd polytyp SiC vlastn\u00ed soubor jedine\u010dn\u00fdch elektrick\u00fdch vlastnost\u00ed. A\u010dkoli se ve\u0161ker\u00fd SiC p\u0159i pokojov\u00e9 teplot\u011b chov\u00e1 jako izolant, p\u0159i spr\u00e1vn\u00e9m dopov\u00e1n\u00ed se z n\u011bj m\u016f\u017ee st\u00e1t polovodi\u010d typu p nebo typu n.<\/p>\n
D\u00edky sv\u00e9 odolnosti v\u016f\u010di vysok\u00fdm teplot\u00e1m a nap\u011bt\u00ed je karbid k\u0159em\u00edku nepostradateln\u00fdm materi\u00e1lem p\u0159i v\u00fdrob\u011b polovodi\u010dov\u00fdch elektronick\u00fdch za\u0159\u00edzen\u00ed, ale nach\u00e1z\u00ed uplatn\u011bn\u00ed i v dal\u0161\u00edch oblastech, jako jsou nap\u0159\u00edklad termop\u00e1ry pro pece a reaktory s fluidn\u00edm lo\u017eem.<\/p>\n
Karbid k\u0159em\u00edku se v p\u0159\u00edrod\u011b vyskytuje jako drahokam moissanit; od roku 1893 se v\u0161ak hromadn\u011b vyr\u00e1b\u00ed jak v pr\u00e1\u0161kov\u00e9, tak v krystalick\u00e9 form\u011b pro pou\u017eit\u00ed jako brusivo. Pomoc\u00ed \u0159ezac\u00edch stroj\u016f se z n\u011bj brous\u00ed drah\u00e9 kameny r\u016fzn\u00fdch barev; t\u00edmto zp\u016fsobem lze tak\u00e9 vyr\u00e1b\u011bt monokrystaly p\u011bstovan\u00e9 metodou Lelyho, kter\u00e9 slou\u017e\u00ed jako n\u00e1hra\u017eky diamant\u016f nebo polovodi\u010de; karbid k\u0159em\u00edku lze rovn\u011b\u017e tavit za \u00fa\u010delem v\u00fdroby vysoce odoln\u00e9 keramiky pou\u017e\u00edvan\u00e9 v aplikac\u00edch vy\u017eaduj\u00edc\u00edch vysokou odolnost, jako jsou automobilov\u00e9 brzdy, spojky a nepr\u016fst\u0159eln\u00e9 vesty.<\/p>\n
Karbid k\u0159em\u00edku (SiC) je pokro\u010dil\u00fd polovodi\u010dov\u00fd materi\u00e1l slo\u017een\u00fd z uhl\u00edku (C) a k\u0159em\u00edku (Si), kter\u00fd tvo\u0159\u00ed pevnou polovodi\u010dovou slou\u010deninu s vynikaj\u00edc\u00edmi mechanick\u00fdmi vlastnostmi a tepelnou, chemickou i mechanickou stabilitou. Polymorfn\u00ed struktury SiC vykazuj\u00ed odli\u0161n\u00e9 fyzik\u00e1ln\u00ed vlastnosti; 4H-SiC je jedn\u00edm z takov\u00fdch polymorf\u016f, kter\u00fd se vyzna\u010duje n\u00edzk\u00fdmi vnit\u0159n\u00edmi ztr\u00e1tami a z\u00e1rove\u0148 nab\u00edz\u00ed dynamick\u00e9 vlastnosti vhodn\u00e9 pro prost\u0159ed\u00ed s vysok\u00fdmi teplotami.<\/p>\n
SiC se vyzna\u010duje tetraedrickou strukturou slo\u017eenou z atom\u016f k\u0159em\u00edku a uhl\u00edku, kter\u00e9 jsou v krystalov\u00e9 m\u0159\u00ed\u017ece spojeny siln\u00fdmi kovalentn\u00edmi vazbami, co\u017e mu dod\u00e1v\u00e1 tvrdost, pevnost a odolnost. Jako jedna z nejtvrd\u0161\u00edch zn\u00e1m\u00fdch l\u00e1tek (tvrd\u0161\u00ed dokonce ne\u017e moissanit a diamant) pat\u0159\u00ed SiC mezi nejtvrd\u0161\u00ed l\u00e1tky v\u016fbec. SiC lze pomoc\u00ed r\u016fzn\u00fdch proces\u016f snadno zpracovat do podoby nejr\u016fzn\u011bj\u0161\u00edch v\u00fdrobk\u016f a je \u0161iroce vyu\u017e\u00edv\u00e1n v modern\u00edm kamen\u00e1\u0159stv\u00ed. Krom\u011b toho slou\u017e\u00ed SiC jako brusivo v mnoha odv\u011btv\u00edch stroj\u00edrenstv\u00ed, v\u010detn\u011b brou\u0161en\u00ed, \u0159ez\u00e1n\u00ed vodn\u00edm paprskem a p\u00edskov\u00e1n\u00ed.<\/p>\n
\u017d\u00e1ruvzdorn\u00e9 keramick\u00e9 materi\u00e1ly, jako je pyrit, vykazuj\u00ed vynikaj\u00edc\u00ed odolnost proti korozi a vysokoteplotn\u00ed stabilitu, d\u00edky \u010demu\u017e jsou vhodn\u00e9 pro pou\u017eit\u00ed v \u017e\u00e1ruvzdorn\u00fdch cihl\u00e1ch a dal\u0161\u00edch aplikac\u00edch \u017e\u00e1ruvzdorn\u00e9 keramiky, jako jsou nap\u0159\u00edklad \u017e\u00e1ruvzdorn\u00e9 cihly. D\u00edky vysok\u00fdm bod\u016fm t\u00e1n\u00ed p\u0159esahuj\u00edc\u00edm 2000 \u00b0C nab\u00edz\u00ed \u017e\u00e1ruvzdorn\u00e1 keramika dobrou odolnost proti oxidaci a rozkladu p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch, co\u017e z n\u00ed \u010din\u00ed u\u017eite\u010dn\u00fd materi\u00e1l.<\/p>\n
Tento materi\u00e1l je ide\u00e1ln\u00ed pro pou\u017eit\u00ed v extr\u00e9mn\u00edch podm\u00ednk\u00e1ch, jako jsou prost\u0159ed\u00ed s roztaven\u00fdm sklem a pece, a v aplikac\u00edch provozovan\u00fdch p\u0159i velmi vysok\u00fdch teplot\u00e1ch, nap\u0159\u00edklad ve v\u00fdrob\u011b elekt\u0159iny nebo v elektronice. Vyzna\u010duje se tak\u00e9 mimo\u0159\u00e1dn\u011b vysok\u00fdm Youngov\u00fdm modulem, d\u00edky \u010demu\u017e dok\u00e1\u017ee s velkou pevnost\u00ed odol\u00e1vat tlakov\u00fdm zat\u00ed\u017een\u00edm.<\/p>\n
SiC se li\u0161\u00ed od mnoha keramick\u00fdch materi\u00e1l\u016f t\u00edm, \u017ee neabsorbuje vlhkost, co\u017e z n\u011bj \u010din\u00ed vynikaj\u00edc\u00ed materi\u00e1l pro konstruk\u010dn\u00ed \u00fa\u010dely (nepr\u016fst\u0159eln\u00e9 vesty a automobilov\u00e9 brzdy) i pro astronomii (kde se z SiC vyr\u00e1b\u011bj\u00ed zrcadla pro dalekohledy). Krom\u011b toho lze pomoc\u00ed Lelyho procesu vyr\u00e1b\u011bt tak\u00e9 monokrystalick\u00e9 ingoty pro pokro\u010dil\u00e9 elektronick\u00e9 aplikace, kter\u00e9 se n\u00e1sledn\u011b roz\u0159ez\u00e1vaj\u00ed na desti\u010dky a pot\u00e9 zpracov\u00e1vaj\u00ed na polovodi\u010dov\u00e1 za\u0159\u00edzen\u00ed.<\/p>\n
D\u00edky sv\u00e9 chemick\u00e9 \u010distot\u011b, zachov\u00e1n\u00ed pevnosti p\u0159i vysok\u00fdch teplot\u00e1ch a vlastnostem elektrick\u00e9 vodivosti je karbid k\u0159em\u00edku obl\u00edbenou volbou pro v\u00fdrobu podlo\u017eek pod desti\u010dky a lopatky v polovodi\u010dov\u00fdch pec\u00edch. Krom\u011b toho m\u00e1 karbid k\u0159em\u00edku mnoho dal\u0161\u00edch pou\u017eit\u00ed, nap\u0159\u00edklad jako odporov\u00e9 topn\u00e9 prvky v elektrick\u00fdch pec\u00edch, stejn\u011b jako sou\u010d\u00e1sti teplotn\u011b z\u00e1visl\u00fdch rezistor\u016f (termistor\u016f) a nap\u011b\u0165ov\u011b z\u00e1visl\u00fdch rezistor\u016f (varistor\u016f). D\u00edky sv\u00e9 odolnosti je karbid k\u0159em\u00edku vhodn\u00fd tak\u00e9 pro n\u00e1ro\u010dn\u00e1 prost\u0159ed\u00ed, jako jsou sl\u00e9v\u00e1rny, metalurgick\u00e9 v\u00fdrobn\u00ed linky, z\u00e1vody na v\u00fdrobu forem, v\u00fdstelky forem a \u017elab\u016f a dal\u0161\u00ed.<\/p>\n
Karbid k\u0159em\u00edku je pr\u00e1\u0161ek \u010dernosiv\u00e9ho a\u017e zelen\u00e9ho zbarven\u00ed nebo pevn\u00e1 \u0161ed\u00e1 hmota, kter\u00e1 je nerozpustn\u00e1 ve vod\u011b, alkoholu a kyselin\u00e1ch. D\u00edky specifick\u00e9 hustot\u011b 3,21 g\/cm\u00b3 je karbid k\u0159em\u00edku hust\u0161\u00ed ne\u017e b\u011b\u017en\u00e1 keramika, ale m\u00e9n\u011b hust\u00fd ne\u017e n\u011bkter\u00e9 kovy; p\u0159esto si zachov\u00e1v\u00e1 vysokou odolnost proti chemick\u00fdm vliv\u016fm a korozi v mnoha prost\u0159ed\u00edch.<\/p>\n
Lithium m\u00e1 teplotu t\u00e1n\u00ed 3 200 \u00b0C a teplotu varu 1 650 \u00b0C. Jedn\u00e1 se o inertn\u00ed, tvrd\u00fd a k\u0159ehk\u00fd materi\u00e1l s vynikaj\u00edc\u00ed tepelnou vodivost\u00ed, kter\u00fd odol\u00e1v\u00e1 po\u0161kozen\u00ed n\u00e1razy a \u00fadery a lze jej obr\u00e1b\u011bt konven\u010dn\u00edmi metodami, jako je brou\u0161en\u00ed, honov\u00e1n\u00ed, \u0159ez\u00e1n\u00ed pilou a \u0159ez\u00e1n\u00ed vodn\u00edm paprskem; d\u00edky sv\u00e9 tvrdosti, kter\u00e1 se vyu\u017e\u00edv\u00e1 p\u0159i \u0159ez\u00e1n\u00ed drah\u00fdch kamen\u016f, je tak ned\u00edlnou sou\u010d\u00e1st\u00ed modern\u00edho kamen\u00e1\u0159stv\u00ed. Krom\u011b toho hraje lithium z\u00e1sadn\u00ed roli p\u0159i v\u00fdrob\u011b kel\u00edmk\u016f pro vysokoteplotn\u00ed aplikace, jako jsou nap\u0159\u00edklad kel\u00edmky vyroben\u00e9 ze slitiny karbidu wolframu.<\/p>\n
Vodi\u010de umo\u017e\u0148uj\u00ed nep\u0159etr\u017eit\u00fd tok elekt\u0159iny; polovodi\u010de vykazuj\u00ed polovodiv\u00e9 vlastnosti pouze p\u0159i stimulaci elektrick\u00fdm proudem nebo elektromagnetick\u00fdm polem. SiC je obecn\u011b izolant; je-li v\u0161ak dopov\u00e1n fosforem, dus\u00edkem, borem nebo hlin\u00edkem, projev\u00ed se jeho polovodiv\u00e9 vlastnosti a vykazuje vodivost. D\u00edky t\u0159ikr\u00e1t \u0161ir\u0161\u00ed zak\u00e1zan\u00e9 z\u00f3n\u011b ne\u017e u b\u011b\u017en\u00fdch k\u0159em\u00edkov\u00fdch polovodi\u010d\u016f zvl\u00e1d\u00e1 SiC bez probl\u00e9m\u016f vy\u0161\u0161\u00ed nap\u011bt\u00ed a frekvence.<\/p>\n
Zat\u00edmco p\u0159\u00edrodn\u00ed moissanit je na Zemi vz\u00e1cn\u00fd, v\u011bt\u0161ina karbidu k\u0159em\u00edku prod\u00e1van\u00e9ho na trhu je syntetick\u00e9ho p\u016fvodu. Karbid k\u0159em\u00edku se \u010dast\u011bji vyskytuje ve vesm\u00edru jako sou\u010d\u00e1st hv\u011bzdn\u00e9ho prachu padaj\u00edc\u00edho z hv\u011bzd bohat\u00fdch na uhl\u00edk ne\u017e zde na Zemi; nav\u00edc se \u010dasto vyskytuje v lo\u017eisc\u00edch kimberlitov\u00e9 rudy, z nich\u017e se t\u011b\u017e\u00ed diamanty.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon Carbide (SiC) boasts exceptional properties that make it highly desired in many applications, from power electronics in electric vehicles to semiconductor electronics in general. SiC’s wide bandgap semiconductor properties boast lower resistance at higher temperatures for smaller and faster power conversion systems with greater energy efficiency. SiC is naturally found in minute quantities in […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[64],"tags":[],"class_list":["post-546","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/posts\/546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/comments?post=546"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/posts\/546\/revisions"}],"predecessor-version":[{"id":547,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/posts\/546\/revisions\/547"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/media?parent=546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/categories?post=546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/cs\/wp-json\/wp\/v2\/tags?post=546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}