Broadband Microwave Attenuator Based on Few Layer Graphene Flakes
This paper presents the design and fabrication of a broadband microstrip attenuator, operating at 1-20 GHz, based on few layer graphene flakes. The RF performance of the attenuator has been analyzed in depth. In particular, the use of graphene as a variable resistor is discussed and experimentally c...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2015-08, Vol.63 (8), p.2491-2497 |
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| container_issue | 8 |
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| container_title | IEEE transactions on microwave theory and techniques |
| container_volume | 63 |
| creator | Pierantoni, Luca Mencarelli, Davide Bozzi, Maurizio Moro, Riccardo Moscato, Stefano Perregrini, Luca Micciulla, Federico Cataldo, Antonino Bellucci, Stefano |
| description | This paper presents the design and fabrication of a broadband microstrip attenuator, operating at 1-20 GHz, based on few layer graphene flakes. The RF performance of the attenuator has been analyzed in depth. In particular, the use of graphene as a variable resistor is discussed and experimentally characterized at microwave frequencies. The structure of the graphene-based attenuator integrates a micrometric layer of graphene flakes deposited on an air gap in a microstrip line. As highlighted in the experiments, the graphene film can range from being a discrete conductor to a highly resistive material, depending on the externally applied voltage. As experimental evidence, it is verified that the application of a proper voltage through two bias tees changes the surface resistivity of graphene, and induces a significant change of insertion loss of the microstrip attenuator. |
| doi_str_mv | 10.1109/TMTT.2015.2441062 |
| format | Article |
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As experimental evidence, it is verified that the application of a proper voltage through two bias tees changes the surface resistivity of graphene, and induces a significant change of insertion loss of the microstrip attenuator.</description><subject>Attenuators</subject><subject>Design engineering</subject><subject>Electrical resistance measurement</subject><subject>Graphene</subject><subject>Insertion loss</subject><subject>Loss measurement</subject><subject>Microstrip</subject><subject>microstrip lines</subject><subject>nanoelectronics</subject><subject>tunable microwave (MW) devices</subject><subject>Voltage measurement</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kFFPwjAQxxujiYh-AONLE5-Hd123do9ABE0gvsznpltvEcQN2yHh21MC8enukt__Lvdj7BFhhAjFS7ksy5EAzEZCSoRcXLEBZplKilzBNRsAoE4KqeGW3YWwjqPMQA_YeOI76yrbOr5c1b7b2z_i476ndmf7zvOJDeR41_IZ7fnCHsjzubfbL2qJzzb2m8I9u2nsJtDDpQ7Z5-y1nL4li4_5-3S8SGqpRJ8IodEhuSp3Lq8bm6YildDkVgldKKnrKqsroZ0DR0rHLhdVhYVzVkgFokqH7Pm8d-u73x2F3qy7nW_jSYMRUCqFQkQKz1T8JQRPjdn61Y_1B4NgTqbMyZQ5mTIXUzHzdM6siOifVygU5JgeAZmpY5Q</recordid><startdate>20150801</startdate><enddate>20150801</enddate><creator>Pierantoni, Luca</creator><creator>Mencarelli, Davide</creator><creator>Bozzi, Maurizio</creator><creator>Moro, Riccardo</creator><creator>Moscato, Stefano</creator><creator>Perregrini, Luca</creator><creator>Micciulla, Federico</creator><creator>Cataldo, Antonino</creator><creator>Bellucci, Stefano</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| issn | 0018-9480 1557-9670 |
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| subjects | Attenuators Design engineering Electrical resistance measurement Graphene Insertion loss Loss measurement Microstrip microstrip lines nanoelectronics tunable microwave (MW) devices Voltage measurement |
| title | Broadband Microwave Attenuator Based on Few Layer Graphene Flakes |
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