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| 1 | Terahertz Semiconductor Quantum Well Devices显示文摘For eventually providing terahertz science with compact and convenient devices,terahertz (1~10THz) quantum-well photodetectors and quantum-cascade lasers are investigated.The design and projected detector performance are presented together with experimental results for several test devices,all working at photon energies below and around optical phonons.Background limited infrared performance (BLIP) operations are observed for all samples (three in total),designed for different wavelengths.BLIP temperatures of 17,13,and 12K are achieved for peak detection frequencies of 9.7THz(31μm),5.4THz(56μm),and 3.2THz(93μm),respectively.A set of THz quantum-cascade lasers with identical device parameters except for doping concentration is studied.The δ-doping density for each period varies from 3.2×1010 to 4.8×1010cm-2.We observe that the lasing threshold current density increases monotonically with doping concentration.Moreover,the measurements for devices with different cavity lengths provide evidence that the free carrier absorption causes the waveguide loss also to increase monotonically.Interestingly the observed maximum lasing temperature is best at a doping density of 3.6×1010cm-2. | Liu H C Luo H Ban D Waichter M Song C Y Wasilewski Z R Buchanan M Aers G C SpringThorpe A J Cao J C Feng S L Williams B S Hu Q | 2006 | Journal of Semiconductors2006，27，4： | 2 |
| 2 | Size effects and a mean-strength criterion for ceramics 显示文摘 | Ban Y W Jin Z Z | 1998 | Fatigue and Fracture of Engineering Materials and Structures1998，16，8： | 1 |
| 3 | Benzene adsorption in microporous materials显示文摘 | Song L Sun Z L Ban H Y | 2005 | Adsorption2005，11，34： | 1 |
| 4 | Measurements of the cross-section for e+e-^ hadrons at center-of-mass energiesfrom 2-GeV to 5-GeV显示文摘 | Bai J Z Ban Y Bian J G | 2002 | Phys Rev Lett2002，88，10： | 1 |
| 5 | Selective alkylation of phenol with tert-butyl alcohol catalyzed by brnsted acidic imidazolium salts显示文摘 | Gui J Z Ban H Y Cong X H | 2004 | J Mol Catal A:Chem2004，225，： | 1 |
| 6 | First attempts in preimplantation genetic diagnosis:blastomere biopsy显示文摘 | Ban Z Tothne GZ | 2001 | Orv Hetil2001，142，44： | 1 |
| 7 | Selective alkylation of Hydroquinone with tert-butyl alcohol catalyzed by Bronsted acidic imidazolium salts显示文摘 | GUIJ Z BAN H Y CONG X H | 2005 | Journal of Molecular Catalysis A: Chemical2005，225，1： | 1 |
| 8 | A randomized study to assess the effectiveness of orally administered pilocarp ine during and af2ter radiotherapy of head and neck cancer显示文摘 | NYARDY Z NEMETH A BAN A | 2006 | Anticancer Res2006，26，2： | 1 |
| 9 | HMGB pro teins function as universal sentinels for nucleicacid mediated innate immune responses显示文摘 | YANAI H BAN T WANG Z | 2009 | Nature2009，462，： | 1 |
| 10 | Combination of activated Schwann cells with bone mesenchymal stem cells: the best cell strate- gy for repair after spinal cord injury in rats显示文摘 | Ban D X Ning G Z Feng S Q | 2011 | Regen Med2011，6，6： | 1 |
| 11 | Selective alkylation of phenol with tert-butyl alcohol catalyzed by brφnsted acidic imidazolium salts 显示文摘 | Gui J Z Ban J Y Cong X H | 2005 | J Mol Catal A2005，225，： | 1 |
| 12 | Evidence of 1JI(3 770) non-DIS decay to J/IJln:+,-c显示文摘 | Bai J Z Ban Y Bian J G | 2005 | Phys Lett B2005，605，2： | 1 |
| 13 | Precison measurements of the mass, the widths of psi(3 770) resonance and thecross section sigma at Ecm - 3, 7724 - GeV显示文摘 | Ablikim M Bai J Z Ban Y | 2007 | Phys Lett B2007，652，： | 1 |
| 14 | Search for Ks°Ko in IJI' decays显示文摘 | Ablkim M Bai J Z Ban Y | 2004 | Phys Rev D2004，70，07： | 1 |
| 15 | Serologic evidence of Wost Nile VirusInfection in patients with exanthema in Hungary 显示文摘 | Szomor K Rigo Z Ban E | 2011 | Acta Microbiologica et Immunologica Hungarica2011，58，2： | 1 |
| 16 | Thermodynamic analysis of temperature-graded ferroelectrics显示文摘 | Alpay S P Ban Z G Mantese J V | | 0，，08： | 1 |
| 17 | Search for 1JI(3 770) ->pn: at the BESII detector at the Beijing electronpositron collider显示文摘 | Ablkim M Bai J Z Ban Y | 2005 | Phys Rev D2005，72，07： | 1 |
| 18 | Synthesis of zeolite Ltuning size and morphology 显示文摘 | Ruiz A Z Bruhwiler D Ban T | 2005 | Monatshefte Fur Chemie2005，136，1： | 1 |
| 19 | Halogenated Materials as Organic Semiconduc- tors显示文摘 | Tang M L Ban Z | 2011 | Chem Mater2011，23，： | 1 |
| 20 | Expression of VE-ead- herin in peripheral blood and umbilical cord blood of patients with hypertensive disorders in pregnancy显示文摘 | Ban K B Zhao Y L Guo X Z | 2009 | Chinese Journal Of Clinicians2009，3，5： | 1 |
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