... the thinner films still have crystalline structure, as shown in the Raman scattering data in Fig. 4(c). The widths of the Raman peaks in the thinner films are slightly wider, indicating longer interatomic ... force. 19 Since our sample has its c axis perpendicular to the sample surface, the ponderomotive force and the thermal force that originate from the electric 064307-2 ORIGIN OF COHERENT PHONONS IN Bi 2 Te 3 ... address: Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas, 78712. † These two authors contributed equally to this work. ‡ Corresponding author: xxu@purdue.edu 1 R....
Ngày tải lên: 06/05/2014, 08:54
origin of coherent phonons in bi2te3 excited by ultrafast laser pulses
... the thinner films still have crystalline structure, as shown in the Raman scattering data in Fig. 4(c). The widths of the Raman peaks in the thinner films are slightly wider, indicating longer interatomic ... address: Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas, 78712. † These two authors contributed equally to this work. ‡ Corresponding author: xxu@purdue.edu 1 R. ... T e,max 064307-3 ORIGIN OF COHERENT PHONONS IN Bi 2 Te 3 PHYSICAL REVIEW B 88, 064307 (2013) theverythinBi 2 Te 3 films can be wider, for example, ∼0.25 eV in 5-nm-thick films compared with 0.15 eV in bulk, 33 but still...
Ngày tải lên: 06/05/2014, 08:58
Ngày tải lên: 22/06/2014, 01:20
Tài liệu Báo cáo khoa học: "The Use of Shared Forests in Tree Adjoining Grammar Parsing" pptx
... finite set of initial trees, A is a finite set of auxiliary trees. An initial tree is a tree with root labeled by S and internal nodes and leaf nodes labeled by nonterminal and terminal symbols, ... derived using the rewrit- ing rules of the grammar. A derivation tree of the grammar, on the other hand, is a tree that encodes the sequence of rewritings used in deriving a derived tree. In the ... constraints. The tree language, T(G), generated by a TAG, G, is the set of trees derived starting from an initial tree such that no node in the resulting tree has an OA constraint. The (string) language,...
Ngày tải lên: 22/02/2014, 10:20
Legal issues relating to the archiving of Internet resources in the UK, EU, USA and Australia pot
... ink in ancient manuscripts, 2 to rotting canvas and decaying pigments in paintings, 3 and ‘vinegar syndrome’ in triacetate film base 4 - these are but a few of the problems facing those seeking ... Plaintiff maintained that ISP was negligent in permitting anonymous postings by a subscriber accusing plaintiff of publishing materials "glorifying" the Oklahoma City bombing. The superior ... archiving of Internet resources Page 4 ã create a more inclusive archive by means of automatic capture, which will result in the archiving of more sites and more information, but probably result in...
Ngày tải lên: 06/03/2014, 21:20
An Anatomy of Economic Inequality in the UK ppt
... in distributional terms), it is in some ways better that we use data that were collected before the recent turmoil. This timing issue should be borne in mind in interpreting our findings. In ... pensions or investments) gives total individual income. Deducting direct taxes (income tax and employee National Insurance contributions) gives net individual income. 14 In the case of incomes, ... Harman Minister for Women and Equality January 2010 An Anatomy of Economic Inequality in the UK Report of the National Equality Panel An Anatomy of Economic Inequality in the UK Report of the...
Ngày tải lên: 08/03/2014, 06:20
An Anatomy of Economic Inequality in the UK – Summary docx
... wider in London than in any other region, and inequality in earnings and incomes has increased faster in London over the last decade than anywhere else. Table S3: Inequality in earnings and income ... anatomy of economic inequality in the UK A crucial factor in all of this – and also in the earnings of disabled people and those from certain minority ethnic groups – is the low level of part-time ... status in this way. In Box 9.8 in Chapter 9 of the main report, we present evidence on trends in relative employment and earnings for people reporting they live in same sex couples allowing for...
Ngày tải lên: 08/03/2014, 06:20
THE SUSTAINABLE DEVELOPMENT OF TREE CROPS AND THE PREVENTION OF VEGETATION FIRES IN SOUTH SUMATRA, INDONESIA pptx
... 789,000 ha of land is registered in the Province; including 340,000 ha of hak milik, and 363,000 ha of HGU. 33 The over 50 percent of farmers who have a low income and can not invest in clonal ... tingkat Nasional. Unit ini harus bekerja sama dengan Instansi-instansi Pemerintah, sektor pribadi, dan Lembaga Sosial Masyarakat untuk saling bertukar informasi, mendiskusikan pilihan untuk ... seedlings but the quality is often low; hence the rate of growth is slow and yields disappointing. Slow growth increases fire risk in the early years. lack of funds to finance upkeep of a...
Ngày tải lên: 08/03/2014, 10:20
Báo cáo khoa học: Presence of melanocortin (MC4) receptor in spiny dogfish suggests an ancient vertebrate origin of central melanocortin system pot
... P., Wikberg, J.E. & Szardenings, M. (1998) Chimeric melanocortin MC1 and MC3 receptors: identification of domains participating in binding of melanocyte-stimulating hormone peptides. Mol. Pharmacol. ... SacMC4-A59E receptor. The binding curves were obtained by using a fixed concentration of 2n M 125 I-labelled NDP-MSH and varying concentrations of the nonlabeled competing peptide. Lines represent the ... m M sodium acetate and 1 m M EDTA) resulting in a single band. The original double band had different relative intensity in the ethidium bromide staining and the hybridization signal. It is thus...
Ngày tải lên: 23/03/2014, 20:22
the origin of interferometric effect involving surface plasmon polariton in scattering nearfield scanning optical microscopy
... Conclusions In conclusion, we investigated the formation of interference fringes in the s-NSOM measurement of a single nanoslit. Both amplitude and phase of the interference fringes were obtained, ... resolution on the order of 10 nm. In this work we report investigation of the interferometric patterns commonly occurred in s-NSOM measurements. To reveal the origin of such interference patterns, ... EXPRESS 2968 The origin of interferometric effect involving surface plasmon polariton in scattering near- field scanning optical microscopy Yan Li, 1 Nan Zhou, 1 Edward C. Kinzel, 2 Xifeng...
Ngày tải lên: 06/05/2014, 08:54
the origin of interferometric effect involving surface plasmon polariton in scattering nearfield scanning optical microscopy
... Conclusions In conclusion, we investigated the formation of interference fringes in the s-NSOM measurement of a single nanoslit. Both amplitude and phase of the interference fringes were obtained, ... on near-field imaging of mid-infrared surface phonon polariton (SPhP) [21]. The interference pattern observed in [21] was explained as the interference between the illuminating field and the ... 2971 distinct fringes appear on the lower part, the direction of the incoming laser beam, while no fringe or only slow intensity variation appears on the upper part of the nanoslit. All fringes...
Ngày tải lên: 06/05/2014, 08:58
party systems in post-soviet countries. a comparative study of political institutionalization in the baltic states, russia and ukraine. 2007
... Partiya Ukrainy (Ob”ednana) (Social Democratic Party of Ukraine - United) UNA Ukrains’ka Natsional’na Asambleya (Ukrainian National Assembly) UNSO Ukrains’ka Natsional’na Samooborona (Ukrainian ... Argentina and Bolivia are included in the second group of countries, where “parties have become increasingly accepted as the main route to governing” (ibid., 14). However, in Table 1.6 of Mainwaring and ... Cabinet of Ministers. In an institutionalized party system, a composition of the cabinet depends on the outcome of parlia- mentary elections and is formed by a winning party or a coalition of...
Ngày tải lên: 04/06/2014, 00:49
Báo cáo sinh học: " Possible active origin of replication in the double stranded extended form of the left terminus of LuIII and its implication on the replication model of the parvovirus" pptx
... were provided in trans. This extended hairpin, capable of acting as an origin of replication, lacks the arrangement of the specific domains present in the dimer duplex intermediate of MVM, the ... functionality of the left hairpin of LuIII as an origin of replication in the extended double stranded form a replication model of LuIII can be predicted result- ing in equivalent amounts of plus and minus ... an essential cofactor for NS1 in the replication initiation process allowing efficient and specific nicking of the 3' minimal origin and leaving NS1 covalently attached to the 5' end of the...
Ngày tải lên: 19/06/2014, 08:20
báo cáo hóa học: " Temporal expression and cellular origin of CC chemokine receptors CCR1, CCR2 and CCR5 in the central nervous system: insight into mechanisms of MOG-induced EAE" pptx
... depending upon the pattern of demyelination and injury. In pattern II lesions, the number of cells expressing CCR1 significantly decreased, while CCR5 increased in LA compared to EA demyelinating ... demyelination (Fig. 2E). During the clinical remission phase (day 18), inflamma- tion and demyelination in the spinal cord were consider- ably diminished (Fig. 3G, 3I) and the number of infiltrating ... in combination with a lack of recruitment into the CNS late in the disease due to a decrease in the expression of chemokines and adhesion molecules. Another possibility is the exhaustion of infil- trating...
Ngày tải lên: 19/06/2014, 22:20
Báo cáo hóa học: " Detection of seroconversion to West Nile virus, Usutu virus and Sindbis virus in UK sentinel chickens" doc
... addi- tional proof of the presence of WNV circulating amongst birds in the UK, albeit apparently harmlessly, we have looked for evidence of seroconversion to WNV, USUV and SINV in sentinel chickens. Published: ... have been circulating significantly during the first three or four months of the year, i.e. late winter and early spring. The detection of a significant increase in the numbers of serologically ... silently in many regions of the world and this may explain our observations of seroconversion in sentinel chickens in the UK. It is also important to emphasize that similar studies using sera...
Ngày tải lên: 20/06/2014, 01:20