活動資訊

時代基金會將於 8  26 日,邀請 MIT 材料科學暨工程學系的 Prof. Ju Li 訪台,針對如何將奈米材料超強度性應用於彈性應變工程,進行專題演講。未來奈米材料將於半導體元件、光伏電池、LED 、超導、感測器方面扮演關鍵性的元素。Prof. Ju Li 曾於 2014  2018 年兩度獲 Thomson Reuters/ Clarivate 選入,材料科學領域的 Highly Cited Researchers List。  

演講題目
Ultra-strength Materials and Elastic Strain Engineering
超強材料與彈性應變工程
演講大綱:
Recent experiments on nanostructured materials have revealed a host of "ultra-strength" phenomena, defined by stresses in a material component generally rising up to a significant fraction (>1/10) of its ideal strength, ­ the highest achievable stress of a defect-free crystal at zero temperature. While conventional materials deform or fracture at sample-wide stresses far below the ideal strength, rapid development of nanotechnology has brought about a need to understand ultra-strength phenomena, as nanoscale materials apparently have a larger dynamic range of sustainable stress ("strength") than conventional materials. Ultra-strength phenomena not only have to do with the shape stability and deformation kinetics of a component, but also the tuning of its physical and chemical properties by stress. Reaching ultra-strength enables ``elastic strain engineering", where by controlling the elastic strain field one can guide the interactions of material structures with electrons, photons, etc. and control energy, mass and information flows. The success of Strained Silicon technology today harbingers what Strain Engineering may do for human civilization in the future, with potential breakthroughs in electronics, photonics, ferroics, superconductivity, catalysis, sensing, etc. In this talk I will give examples of exploiting the strain design space of low-dimensional materials. Homogenous and inhomogeneous elastic strain, bending, interlayer twist and slip lead to tunable, low-energy artificial atoms, artificial superlattices and pseudoheterostructures that can regulate quasiparticle motion. Strain also governs ferroelastic and band topology transitions in these materials. Lastly, we demonstrate production of kilogram-scale nanowires under large tensile elastic strain, that leads to improved superconductivity. By controlling the strain tensor and strain gradient statically or dynamically, one opens up a much larger parameter space - on par with alloying - for optimizing the functional properties of materials, which imparts a new meaning to Feynman’s statement "There's Plenty of Room at the Bottom". 
  
Epoch- MIT ILP Speech
講題:Ultra-strength Materials and Elastic Strain Engineering
時間:2019.08.26 () 14:45 ~ 16:20
地點:時代基金會 Garage+ 嘉新空間 (台北市中山區中山北路296號 嘉新大樓後棟9)
報名:請於8/19()中午12:00,至https://reurl.cc/Mabr3報名。

若有任何問題,請洽活動聯絡人:
Ivory Hsia
+886-2-2511-2678 ext.22 │ivory@epoch.org.tw

James Huang
+886-2-2511-2678 ext.10 │james@epoch.org.tw

「台大凝態中心光電工坊」本於推動國內前瞻光電技術的學術交流及人才培育的成立宗旨,預定2019/08/27日 星期二 於台灣大學校園舉辦本年度秋季學術研討會與教育訓練課程,本次的課程主題訂為 「SERS&雷射光譜技術應用」和「雷射掃描共軛焦光譜顯微鏡之原理與實作」。
 
上述學術研討會與教育訓練課程的設計理念是:透過從學理介紹到實機操作的學習過程,讓與會學員對SERS (Surface Enhanced Raman Spectroscopy)、雷射光譜技術(Laser Spectroscopy)、及雷射掃描共軛焦光譜顯微鏡(Laser Scanning Confocal SpectroMicroscopy, LSCSM)的技術原理、光學機構、及其科研暨產業應用,建立深刻的認識與理解,進而建立操作LSCSM系統與量測雷射光譜的核心能力。
 
課程資訊說明如下:
2019秋季學術研討會 (免費)
l   時間:2019/08/27 星期二  09:00-12:00
l   地點:台灣大學凝態中心212 
2019秋季教育訓練課程 (須付費)
l   時間:2019/08/27 星期二  13:20-17:00
l   地點:台灣大學凝態中心 212室 (報到、原理介紹)
台灣大學凝態中心1103, 1111, 1116, 1118 (實作場地)
l   報名方式:請至光電工坊官網填寫線上報名表
l   報名截止日期:2019/08/13星期二12:00 PM (中午)
l   課程內容與報名網址如下:
 
 

美國西部光電展(Photonics West)是全球重要光電展會,將於202024~26日於美國舊金山莫斯康中心(Moscone Center)舉辦,PIDA為服務產學界,規劃籌組2020美國西部光電展臺灣館參展團,如有任何問題,請與我聯絡。
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