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原(yuan)子沉(chen)積(ji)系(xi)統是一款緊湊型(xing)獨立的(de)(de)PC計算機(ji)(ji)控制的(de)(de)ALD原(yuan)子層(ceng)沉(chen)積(ji)系(xi)統，帶Labview軟(ruan)件，具備四級(ji)密(mi)碼控制的(de)(de)用(yong)戶授權保護功能。系(xi)統為全自動的(de)(de)安全互鎖(suo)設計，并提供了強大(da)的(de)(de)靈活性，原(yuan)子沉(chen)積(ji)系(xi)統的(de)(de)操作步(bu)驟：1、開(kai)(kai)(kai)機(ji)(ji)：開(kai)(kai)(kai)普氮(壓(ya)力(li)0.4-0.6MPa)、高(gao)純氮氣瓶(ping)(壓(ya)力(li)小于0.1MPa)；開(kai)(kai)(kai)總電(dian)源；開(kai)(kai)(kai)水(shui)冷(leng)機(ji)(ji)。2、放樣(yang)(yang)品(pin)：點(dian)擊“進氣”，待壓(ya)強升至1個大(da)氣壓(ya)后(hou)，打開(kai)(kai)(kai)腔體，放入樣(yang)(yang)品(pin)。點(dian)擊“設置(zhi)”，將流量重新設置(zhi)為：20。3、開(kai)(kai)(kai)機(ji)(ji)械(xie)泵：先打開(kai)(kai)(kai)機(ji)(ji)械(xie)泵電(dian)源開(kai)(kai)(kai)關，然后(hou)點(dian)擊“泵閥開(kai)(kai)(kai)”。4、設置(zhi)溫度參...

電(dian)化學(xue)石英(ying)晶(jing)體(ti)微天平是基于(yu)石英(ying)晶(jing)體(ti)振(zhen)(zhen)蕩(dang)片上(shang)吸(xi)附(fu)或(huo)沉積(ji)時，晶(jing)體(ti)振(zhen)(zhen)蕩(dang)頻率發(fa)生(sheng)變化，它與(yu)晶(jing)片上(shang)沉積(ji)物的(de)質量變化有(you)簡單的(de)線性(xing)關(guan)系。電(dian)化學(xue)石英(ying)晶(jing)體(ti)微天平的(de)操作(zuo)(zuo)(zuo)指(zhi)南(nan)：1.開(kai)(kai)啟并(bing)預熱(re)CHI420電(dian)化學(xue)工作(zuo)(zuo)(zuo)站(zhan):a.打開(kai)(kai)室內(nei)電(dian)源(yuan)開(kai)(kai)關(guan)，檢(jian)查與(yu)電(dian)腦(nao)和工作(zuo)(zuo)(zuo)站(zhan)連接的(de)接線板(ban)(ban)是否處(chu)于(yu)通電(dian)狀(zhuang)態(tai)，啟動電(dian)腦(nao)。b.將(jiang)電(dian)化學(xue)工作(zuo)(zuo)(zuo)站(zhan)后(hou)面(mian)板(ban)(ban)上(shang)的(de)黑色電(dian)源(yuan)開(kai)(kai)關(guan)置于(yu)“_”狀(zhuang)態(tai)，即(ji)為開(kai)(kai)啟，此時工作(zuo)(zuo)(zuo)站(zhan)前(qian)面(mian)板(ban)(ban).上(shang)的(de)紅燈點亮。在此狀(zhuang)態(tai)下(xia)預熱(re)5~10分鐘。2.連接實驗裝置:a.將(jiang)已經準(zhun)備好的(de)QCM石英(ying)晶(jing)片有(you)標(biao)記的(de)一面(mian)朝上(shang)周定(ding)到聚(ju)四氟乙...

氣體(ti)擴散電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)的三電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)體(ti)系包括工(gong)作(zuo)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)、對(dui)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)和參比電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)。它們的選擇(ze)標準(zhun)：1.工(gong)作(zuo)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)：需滿足(zu)三個條件：①所(suo)研究的電(dian)(dian)(dian)(dian)(dian)化學(xue)反(fan)應(ying)不會因電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)自身所(suo)發生的反(fan)應(ying)而受到影響，并且能夠在(zai)較大的電(dian)(dian)(dian)(dian)(dian)位區域中進行測(ce)定。②電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)必須不與溶劑(ji)或電(dian)(dian)(dian)(dian)(dian)解液(ye)組分發生反(fan)應(ying)。③電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)面積不宜太大，電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)表面較好(hao)是(shi)(shi)均一平(ping)滑，且能夠通過簡單的方法進行表面凈化。常見(jian)的“惰性”固體(ti)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)有玻碳、鉑(bo)、金、銀、鉛、導電(dian)(dian)(dian)(dian)(dian)玻璃(FTO,ITO等(deng))。常用(yong)的液(ye)體(ti)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)有液(ye)態汞。2.輔助電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)：輔助電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)也叫對(dui)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)，其作(zuo)用(yong)是(shi)(shi)和工(gong)作(zuo)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)組成一個串聯回...

電(dian)(dian)(dian)(dian)化學噪(zao)(zao)聲測試儀由CMOS和(he)BiFET集成(cheng)電(dian)(dian)(dian)(dian)路組成(cheng)，用(yong)于(yu)實(shi)時監(jian)測電(dian)(dian)(dian)(dian)偶腐(fu)蝕(shi)(shi)或(huo)者(zhe)電(dian)(dian)(dian)(dian)化學噪(zao)(zao)聲信號，儀器(qi)可(ke)以(yi)通過(guo)(guo)基(ji)于(yu)Windows的(de)(de)ENtools軟件(jian)(jian)行設置(由串口控制)，也可(ke)以(yi)直接通過(guo)(guo)面(mian)板觸摸鍵盤(pan)操(cao)作(zuo)。通過(guo)(guo)ENtools軟件(jian)(jian)用(yong)戶可(ke)計算電(dian)(dian)(dian)(dian)偶電(dian)(dian)(dian)(dian)密度，電(dian)(dian)(dian)(dian)偶腐(fu)蝕(shi)(shi)速率、噪(zao)(zao)聲電(dian)(dian)(dian)(dian)阻Rn，以(yi)及(ji)點蝕(shi)(shi)指數(shu)等。ENtools軟件(jian)(jian)還具有較(jiao)強的(de)(de)繪(hui)圖功(gong)能，支持圖形矢量(liang)方式，可(ke)以(yi)直接拷貝到Word文(wen)檔中，便于(yu)文(wen)檔建立和(he)資(zi)料保(bao)存。一(yi)、電(dian)(dian)(dian)(dian)化學噪(zao)(zao)聲測試儀的(de)(de)操(cao)作(zuo)步(bu)驟(zou)：1.打開電(dian)(dian)(dian)(dian)源。2.按(an)下LEVER按(an)鈕，選擇(ze)合適的(de)(de)測量(liang)...

旋轉(zhuan)(zhuan)環盤電(dian)極(ji)(ji)(ji)是(shi)電(dian)化學(xue)測(ce)量的(de)(de)重要工(gong)具之一(yi)(yi)，特別適用(yong)(yong)于(yu)研(yan)究電(dian)極(ji)(ji)(ji)反應的(de)(de)中間產物，對于(yu)研(yan)究電(dian)極(ji)(ji)(ji)過程作(zuo)用(yong)(yong)機理(li)也很有用(yong)(yong)處，因而在金屬(shu)腐蝕的(de)(de)過程研(yan)究、化學(xue)電(dian)源(yuan)、電(dian)分析(xi)化學(xue)和電(dian)有機合成方面得到了廣泛的(de)(de)應用(yong)(yong)。一(yi)(yi)、旋轉(zhuan)(zhuan)環盤電(dian)極(ji)(ji)(ji)的(de)(de)性能(neng)參(can)數：1、轉(zhuan)(zhuan)速范圍：50～8000r/min2、精度(du)：測(ce)速精度(du)可達0.5%±1個字(滿度(du))3、轉(zhuan)(zhuan)速穩定(ding)度(du)：1500r/min以下標準偏(pian)(pian)差(cha)(cha)不大于(yu)201500r/min以上相對標準偏(pian)(pian)差(cha)(cha)優于(yu)1%4、電(dian)極(ji)(ji)(ji)頭徑向跳動(dong)≤0.05mm；無軸向竄動(dong)5、電(dian)極(ji)(ji)(ji)與其它(ta)部分的(de)(de)絕...