{"id":21033,"date":"2020-01-20T10:36:57","date_gmt":"2020-01-20T09:36:57","guid":{"rendered":"https:\/\/stage.muegge.de\/les-diamants-cultives-en-laboratoire-i-pourquoi-ils-eclipsent-le-diamant-naturel\/"},"modified":"2021-07-28T11:14:07","modified_gmt":"2021-07-28T09:14:07","slug":"les-diamants-cultives-en-laboratoire-i-pourquoi-ils-eclipsent-le-diamant-naturel","status":"publish","type":"post","link":"https:\/\/muegge-group.com\/fr\/les-diamants-cultives-en-laboratoire-i-pourquoi-ils-eclipsent-le-diamant-naturel\/","title":{"rendered":"Les diamants cultiv\u00e9s en laboratoire I : pourquoi ils \u00e9clipsent le diamant naturel"},"content":{"rendered":"\t\t
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Ils brillent comme les diamants naturels, ils ressemblent \u00e0 de \u00ab vrais \u00bb diamants, et pourtant, il y a une diff\u00e9rence capitale: les diamants cr\u00e9es en laboratoire ou les diamants artificiels ne pr\u00e9sentent pas le risque de soutenir des actions non-\u00e9thiques dans les r\u00e9gions du monde o\u00f9 les droits de l\u2019homme pourraient \u00eatre viol\u00e9. Des facteurs d\u00e9cisifs \u2013 les consommateurs exigent une transparence accrue de la part des entreprises.<\/p>

D\u00e9couvrez le jumeau sans conflit du diamant naturel et la technologie futuriste des microondes qui le fait grandir, briller et prosp\u00e9rer.<\/p>

\u00a0<\/p>

\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Les diamants de laboratoire sont chimiquement, physiquement, optiquement et visuellement\nidentiques aux diamants naturels.<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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La beaut\u00e9 des diamants artificiels<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Les diamants artificiels, \u00e9galement connus sous le nom de diamants d’ing\u00e9nierie ou cultiv\u00e9s, sont obtenus en laboratoire sous un environnement hautement contr\u00f4l\u00e9 \u00e0 l’aide de proc\u00e9d\u00e9s de plasma micro-ondes. Cette technologie avanc\u00e9e g\u00e9n\u00e8re des conditions dans lesquelles les diamants peuvent cro\u00eetre \u00e0 partir de mol\u00e9cules gazeuses excit\u00e9e par le plasma, en obtenant la m\u00eame qualit\u00e9 que le diamant naturel form\u00e9s sous la cro\u00fbte terrestre. Ces diamants artificiels sont constitu\u00e9s d’atomes de carbone dispos\u00e9s dans la structure cristalline caract\u00e9ristique du diamant. Comme ils sont faits du m\u00eame mat\u00e9riau que les diamants naturels, les diamants artificiels pr\u00e9sentent les m\u00eames propri\u00e9t\u00e9s optiques et chimiques et constituent une excellente alternative aux diamants\u00a0naturels.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Source: https:\/\/newgrowndiamond.com\/blog\/why-de-beers-play-an-important-role-in-lab-grown-diamonds-industries<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Diamants synth\u00e9tiques: comment il est obtenu<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Les diamants artificiels sont cultiv\u00e9s en utilisant un proc\u00e9d\u00e9 physico-chimique connu sous le nom de d\u00e9p\u00f4t en phase vapeur par proc\u00e9d\u00e9 chimique (CVD). De minuscules fragments de diamant, des graines de diamant, sont plac\u00e9s sur un wafer de silicium qui et sont ensuite chauff\u00e9es par un plasma. Le plasma est le quatri\u00e8me \u00e9tat de la mati\u00e8re et peut \u00eatre consid\u00e9r\u00e9 comme un gaz vraiment chaud. Si chaud que les mol\u00e9cules et les atomes ne sont plus les seules esp\u00e8ces dans la phase gazeuse et \u00e0 la place il existe un m\u00e9lange compos\u00e9 des: ions, \u00e9lectrons, radicaux, esp\u00e8ces r\u00e9actives qui tournent les uns autour des autres.<\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Proc\u00e9d\u00e9 contr\u00f4lable sans l'utilisation de la haute pression<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Le proc\u00e9d\u00e9 de d\u00e9p\u00f4t en phase vapeur par proc\u00e9d\u00e9 chimique (CVD), devenu viable dans les ann\u00e9es 80, ne n\u00e9cessite pas la haute pression.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Un m\u00e9lange gazeux des hydrocarbures et hydrogen est ionis\u00e9 par le plasma micro-ondes dans un r\u00e9acteur \u00e0 basse pression ; le m\u00e9lange des esp\u00e8ce cr\u00e9\u00e9s par le plasma atteint des temp\u00e9ratures ~ 800 C. A cette temperature et pression, les liaisons mol\u00e9culaires des gaz sont rompues, permettant aux atomes de carbone de se d\u00e9poser sur le germe de diamant. La croissance commence lentement, en d\u00e9posant chaque couche microscopique cristalline pendant des jours et des semaines jusque la taille souhait\u00e9e soit atteinte.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

De nombreuses soci\u00e9t\u00e9s industrielles de diamants de laboratoire utilisent la CVD, ce qui donne au cr\u00e9ateur de diamants artificiels un plus grand contr\u00f4le sur le processus. Le contr\u00f4le est n\u00e9cessaire pour la production de gros volumes de diamants de qualit\u00e9 gemme \/ oaillerie plut\u00f4t que pour les diamants de qualit\u00e9 industrielle telles que ceux utilis\u00e9s pour les outils de d\u00e9coupage.<\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\u00a9 Hiroki Kondo, Sch\u00e9ma du syst\u00e8me CVD assist\u00e9 par plasma micro-ondes utilis\u00e9 pour la croissance du diamant, NCD et CNT<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\u00a9 Fraunhofer IAF<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"muegge-blog-lab-grown-diamonds\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Plus des d\u00e9tails ?<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Un vrai pionnier innovateur dans la technologie des micro-ondes et du plasma, MUEGGE produit les syst\u00e8mes et les composants n\u00e9cessaires pour g\u00e9n\u00e9rer du plasma \u00e0 haute temp\u00e9rature avec des propri\u00e9t\u00e9s uniques pour les proc\u00e9d\u00e9s de d\u00e9p\u00f4t de diamant artificiel.<\/span><\/p>\n

R<\/span>ead more\u00a0En savoir plus sur notre proc\u00e9d\u00e9 sp\u00e9cialis\u00e9 dans la production de diamants de laboratoire.<\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n \n \n\t\t\t En savoir plus<\/span>\n\t\t<\/span>\n <\/a>\n <\/div>\n \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n \n \n\t\t\t Rencontrer Muegge<\/span>\n\t\t<\/span>\n <\/a>\n <\/div>\n \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Ils brillent comme les diamants naturels, ils ressemblent \u00e0 de \u00ab vrais \u00bb diamants, et pourtant, il y a une diff\u00e9rence capitale: les diamants cr\u00e9es en laboratoire ou les diamants artificiels ne pr\u00e9sentent pas le risque de soutenir des actions non-\u00e9thiques dans les r\u00e9gions du monde o\u00f9 les droits de l\u2019homme pourraient \u00eatre viol\u00e9. Des […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4451,4450],"tags":[],"class_list":["post-21033","post","type-post","status-publish","format-standard","hentry","category-diamants-cvd-cultives-en-laboratoire","category-technologie-micro-ondes"],"acf":[],"yoast_head":"\nLes diamants cultiv\u00e9s en laboratoire I : pourquoi ils \u00e9clipsent le diamant naturel - Muegge<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/muegge-group.com\/fr\/les-diamants-cultives-en-laboratoire-i-pourquoi-ils-eclipsent-le-diamant-naturel\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les diamants cultiv\u00e9s en laboratoire I : pourquoi ils \u00e9clipsent le diamant naturel - Muegge\" \/>\n<meta property=\"og:description\" content=\"Ils brillent comme les diamants naturels, ils ressemblent \u00e0 de \u00ab vrais \u00bb diamants, et pourtant, il y a une diff\u00e9rence capitale: les diamants cr\u00e9es en laboratoire ou les diamants artificiels ne pr\u00e9sentent pas le risque de soutenir des actions non-\u00e9thiques dans les r\u00e9gions du monde o\u00f9 les droits de l\u2019homme pourraient \u00eatre viol\u00e9. 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