GRAFENO PARTE - A

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0 [{"id":442216,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"El grafeno es de los materiales m\u00e1s duros y fuertes existentes, incluso supera la dureza del diamante y es\ndoscientas veces m\u00e1s resistente que el acero. Es altamente r\u00edgido, de hecho, tiene un m\u00f3dulo de Young de 1 TPa. ","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":8,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442209,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"El Premio Nobel de F\u00edsica de 2010 se les otorg\u00f3 a los cient\u00edficos Andr\u00e9y Gueim y \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. por sus revolucionarios descubrimientos acerca de este material.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":1,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442221,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"La delgada l\u00e1mina de grafeno sensible a la conducci\u00f3n el\u00e9ctrica y que captar\u00eda nuestros toques puede ser muy\nflexible, lo que bien podr\u00eda acompa\u00f1arse de la tecnolog\u00eda OLED flexible.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":13,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442215,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"\u2026\u2026\u2026\u2026\u2026\u2026. cu\u00e1ntico, la conductividad perpendicular a la corriente toma valores discretos, o cuantizados. Esto permite medirla con suma precisi\u00f3n, implica que la conductividad del grafeno nunca puede ser nula.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":7,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442214,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"Propiedades del GRAFENO: Se autorrepara; cuando una l\u00e1mina de grafeno sufre da\u00f1o y se quiebra su estructura, se genera un \u2018agujero\u2019 que \u2018atrae\u2019 \u00e1tomos de\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. vecinos para as\u00ed tapar los huecos.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":6,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442211,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"T\u00e9cnicamente, el grafeno es un material \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..., consistente en una sola capa de \u00e1tomos de carbono puro dispuestos en una ret\u00edcula hexagonal. ","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":3,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442213,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"Propiedades del GRAFENO: Autoenfriamiento (seg\u00fan algunos cient\u00edficos de la Universidad de \u2026\u2026\u2026\u2026\u2026\u2026.). Conductividad t\u00e9rmica y el\u00e9ctrica altas.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":5,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442219,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"El c\u00e9lebre f\u00edsico holand\u00e9s \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. afirma: El grafeno nunca reemplazar\u00e1 al silicio. Nadie que conozca el mundillo puede decir esto seriamente. Simplemente, har\u00e1 algunas cosas que el silicio no puede hacer.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":11,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442210,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"Los enlaces entre las distintas capas de grafeno apiladas se deben a fuerzas de \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026, e interacciones de los orbitales \u03c0 de los \u00e1tomos de carbono.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":2,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442222,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"El diafragma de grafeno utiliza una l\u00e1mina que es muy delgada, el tama\u00f1o y peso del producto tambi\u00e9n puede ser muy reducido, por lo que podr\u00edan crearse \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. que al mismo tiempo sean muy peque\u00f1os y livianos.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":14,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442217,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"Se pensaba que el grafeno era un material inestable termodin\u00e1micamente, ya que las \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 destruir\u00edan el orden del cristal dando lugar a que el cristal 2D se fundiese.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":9,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442220,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"Los \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. Se los podr\u00eda implementar en el \u00e1rea de las telecomunicaciones para la instalaci\u00f3n de redes m\u00e1s veloces, aumentando as\u00ed la capacidad y rapidez de internet y la telefon\u00eda m\u00f3vil.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":12,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442212,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"El t\u00e9rmino grafeno debe ser usado solo cuando se trata de \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026., las relaciones estructurales u otras propiedades de capas individuales.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":4,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442218,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"Las propiedades de los nanotubos de carbono se explican y entienden a partir de las inherentes al grafeno. Tambi\u00e9n la preparaci\u00f3n de nanotiras de grafeno mediante \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..., haciendo uso de un microscopio de efecto t\u00fanel.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":10,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":442208,"quiz_id":"21809","answer_id":null,"answerType_id":"0","created_at":"2018-04-27 09:37:47","updated_at":"2019-04-30 23:59:35","questionName":"El grafeno es una sustancia compuesta por carbono puro, con \u00e1tomos dispuestos en patr\u00f3n regular ...................., similar al grafito, pero en una hoja de un \u00e1tomo 200 veces m\u00e1s fuerte que el acero y su densidad es aproximadamente la misma que la de la fibra de carbono.","questionTimeSeconds":"25","questionTimeMinutes":"0","questionImagePath":null,"position":0,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]
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El grafeno es de los materiales más duros y fuertes existentes, incluso supera la dureza del diamante y es doscientas veces más resistente que el acero. Es altamente rígido, de hecho, tiene un módulo de Young de 1 TPa.

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