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全碳运算元件有望取代硅晶体管
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Topic: 全碳运算元件有望取代硅晶体管 (Read 412 times)
yanh7720
(OP)
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全碳运算元件有望取代硅晶体管
June 15, 2017, 12:35:28 AM
#1
体型更小、“无线”传递信号,全碳运算元件有望取代硅晶体管
字号
据物理学家组织网近日报道,美国科学家提出一种完全用碳制成运算元件的设计方案。他们表示,这一元件未来能被制造得比硅晶体管更小,且性能更好,有望替代硅晶体管,大大提升计算机的运算速度。研究发表在最新一期的《自然·通讯》杂志上。
现有电子设备离不开晶体管,这种微小的硅结构器件类似开关,能打开和关闭电流。近年来,工程师们一直在想方设法利用电子的自旋属性,制造新型晶体管和自旋电子设备。例如,用石墨烯等碳材料制造集成电路的基本运算组件——逻辑门,但迄今尚未成功使这种新型逻辑门实现有效的“级联”,即把信号依次传递下去。现在,得克萨斯大学达拉斯分校电子和计算工程学助理教授约瑟夫·弗里德曼领导的团队提出了一种能实现级联效果的全新设计方案,且能在没有物理接触的情形下“无线”传递信号。
在新的自旋电子电路设计方案中,科学家们使用了碳纳米管和石墨烯纳米带两种碳材料,后者指宽度小于50纳米的石墨烯条带。基于电磁学的基本原则,电子流经碳纳米管形成电流,电流产生磁场,磁场影响附近石墨烯纳米带内的电流,从而实现多个逻辑门之间的级联。
研究人员认为,由于石墨烯纳米带之间的通讯通过电磁波进行,不像硅半导体通过电子的流动实现,因此,新计算系统的通讯速度会快很多,时钟频率有望达到太赫兹(每秒一万亿次),比当前主流计算机快1000倍。另外,新原件能被制造得比硅基晶体管小得多,而目前硅基晶体管的大小几乎接近极限。
这一设计方案目前仍处于蓝图阶段,弗里德曼表示,他们计划下一步制造出这种全碳、级联自旋电子运算系统的原型器件,并检验其效率。
chenh0109
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Re: 全碳运算元件有望取代硅晶体管
June 15, 2017, 01:05:43 AM
#2
科技在飞速进步,我们在原地踏步。
equa178
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Re: 全碳运算元件有望取代硅晶体管
June 15, 2017, 01:50:27 AM
#3
希望伟大的科学家能研制出来,让人类能受益。
abbottatm
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Re: 全碳运算元件有望取代硅晶体管
June 16, 2017, 10:05:18 AM
#4
看起来不错啊
snorkyyo
Newbie
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Re: 全碳运算元件有望取代硅晶体管
June 18, 2017, 02:14:08 AM
#5
新科技就是这么不可思议
q281386
Newbie
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Merit: 0
Re: 全碳运算元件有望取代硅晶体管
June 18, 2017, 07:31:30 AM
#6
根着时代的步伐。
Aubreya
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Re: 全碳运算元件有望取代硅晶体管
June 18, 2017, 09:04:14 AM
#7
厉害了啊
Ziv STR
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Re: 全碳运算元件有望取代硅晶体管
June 19, 2017, 08:22:33 AM
#8
希望可以成功吧!
hui1513
Full Member
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Activity: 126
Merit: 100
Re: 全碳运算元件有望取代硅晶体管
June 21, 2017, 01:45:26 AM
#9
科技服务人类,改变人类生活。
yinshi
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Activity: 266
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⇾
Re: 全碳运算元件有望取代硅晶体管
June 21, 2017, 07:18:10 AM
#10
希望好好发展
Ponceusa02
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Activity: 93
Merit: 100
Re: 全碳运算元件有望取代硅晶体管
June 21, 2017, 02:50:51 PM
#11
支持下,希望可以应用
tiaozhanziwo
Sr. Member
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Activity: 392
Merit: 250
Re: 全碳运算元件有望取代硅晶体管
June 23, 2017, 01:21:22 AM
#12
如此好的创意方案,相当好的设计,期待尽快研制使用。
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