Watch the Dallas Symposium LIVE, and fundraiser auction
Ticket proceeds support mindat.org! - click here...
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

(2014, September) Journal of Applied Physics Vol. 116 (9) AIP Publishing

Advanced
   -   Only viewable:
Reference TypeJournal (issue)
JournalJournal of Applied Physics
Year2014 (September)Volume116
Issue<   9   >
PublisherAIP Publishing
Mindat Ref. ID5200392Long-form Identifiermindat:1:5:5200392:1
GUID0
Full Reference(2014, September) Journal of Applied Physics Vol. 116 (9) AIP Publishing
Plain Text(2014, September) Journal of Applied Physics Vol. 116 (9) AIP Publishing
In(2014) Journal of Applied Physics Vol. 116. AIP Publishing

Contains

Radu, A., Kirakosyan, A. A., Laroze, D., Baghramyan, H. M., Barseghyan, M. G. (2014) Electronic and intraband optical properties of single quantum rings under intense laser field radiation. Journal of Applied Physics, 116 (9). 93101pp. doi:10.1063/1.4894446
BičiĆ«nas, A., Arlauskas, A., Adamonis, J., Cicėnas, P., Krotkus, A. (2014) Physical mechanisms of terahertz pulse emission from photoexcited surfaces of tellurium crystals. Journal of Applied Physics, 116 (9). 93102pp. doi:10.1063/1.4894514
Vora, Ankit, Gwamuri, Jephias, Pearce, Joshua M., Bergstrom, Paul L., GĂŒney, Durdu Ö. (2014) Multi-resonant silver nano-disk patterned thin film hydrogenated amorphous silicon solar cells for Staebler-Wronski effect compensation. Journal of Applied Physics, 116 (9). 93103pp. doi:10.1063/1.4895099
Rond, C., Hamann, S., Wartel, M., Lombardi, G., Gicquel, A., Röpcke, J. (2014) Infrared spectroscopic and modeling studies of H2/CH4 microwave plasma gas phase from low to high pressure and power. Journal of Applied Physics, 116 (9). 93301pp. doi:10.1063/1.4894778
Kim, Dong-Hwan, Kim, Young-Do, Cho, Sung-Won, Kim, Yu-Sin, Chung, Chin-Wook (2014) Investigation of plasma diagnostics using a dual frequency harmonic technique. Journal of Applied Physics, 116 (9). 93302pp. doi:10.1063/1.4894517
Ramu, Ashok T., Ma, Yanbao (2014) An enhanced Fourier law derivable from the Boltzmann transport equation and a sample application in determining the mean-free path of nondiffusive phonon modes. Journal of Applied Physics, 116 (9). 93501pp. doi:10.1063/1.4894087
Abdollahi, Amir, Peco, Christian, MillĂĄn, Daniel, Arroyo, Marino, Arias, Irene (2014) Computational evaluation of the flexoelectric effect in dielectric solids. Journal of Applied Physics, 116 (9). 93502pp. doi:10.1063/1.4893974
Liu, M., Qiu, L., Zheng, X. H., Zhu, J., Tang, D. W. (2014) Study on the thermal resistance in secondary particles chain of silica aerogel by molecular dynamics simulation. Journal of Applied Physics, 116 (9). 93503pp. doi:10.1063/1.4894511
Djaziri, S., Renault, P.-O., Le Bourhis, E., Goudeau, Ph., Faurie, D., Geandier, G., Mocuta, C., ThiaudiĂšre, D. (2014) Comparative study of the mechanical properties of nanostructured thin films on stretchable substrates. Journal of Applied Physics, 116 (9). 93504pp. doi:10.1063/1.4894616
Bourne, N. K. (2014) The threshold for hydrodynamic behaviour in solids under extreme compression. Journal of Applied Physics, 116 (9). 93505pp. doi:10.1063/1.4894138
Navarro-Urrios, D., Gomis-Bresco, J., Capuj, N. E., Alzina, F., Griol, A., Puerto, D., MartĂ­nez, A., Sotomayor-Torres, C. M. (2014) Optical and mechanical mode tuning in an optomechanical crystal with light-induced thermal effects. Journal of Applied Physics, 116 (9). 93506pp. doi:10.1063/1.4894623
JeĆĄko, Radek (2014) Relationship between the structure and electrical characteristics of diamond-like carbon films. Journal of Applied Physics, 116 (9). 93507pp. doi:10.1063/1.4894626
EchĂĄniz, T., PĂ©rez-SĂĄez, R. B., Tello, M. J. (2014) Optical properties of metals: Infrared emissivity in the anomalous skin effect spectral region. Journal of Applied Physics, 116 (9). 93508pp. doi:10.1063/1.4894169
Er, Ali Oguz, Tang, Jau, Chen, Jie, Rentzepis, Peter M. (2014) Time-resolved X-ray diffraction studies of laser-induced acoustic wave propagation in bilayer metallic thin crystals. Journal of Applied Physics, 116 (9). 93509pp. doi:10.1063/1.4894177
Ziebarth, Benedikt, Mrovec, Matous, ElsÀsser, Christian, Gumbsch, Peter (2014) Potential-induced degradation in solar cells: Electronic structure and diffusion mechanism of sodium in stacking faults of silicon. Journal of Applied Physics, 116 (9). 93510pp. doi:10.1063/1.4894007
Jakomin, R., Kawabata, R. M. S., Mourão, R. T., Micha, D. N., Pires, M. P., Xie, H., Fischer, A. M., Ponce, F. A., Souza, P. L. (2014) InAs quantum dot growth on AlxGa1−xAs by metalorganic vapor phase epitaxy for intermediate band solar cells. Journal of Applied Physics, 116 (9). 93511pp. doi:10.1063/1.4894295
Nikolova, Liliya, Stern, Mark J., MacLeod, Jennifer M., Reed, Bryan W., Ibrahim, Heide, Campbell, Geoffrey H., Rosei, Federico, LaGrange, Thomas, Siwick, Bradley J. (2014) In situinvestigation of explosive crystallization in a-Ge: Experimental determination of the interface response function using dynamic transmission electron microscopy. Journal of Applied Physics, 116 (9). 93512pp. doi:10.1063/1.4894397
(2014) Temperature dependent Raman scattering and far-infrared reflectance spectra of MgO modified Pb0.99(Zr0.95Ti0.05)0.98Nb0.02O3 ceramics: A composition effect. Journal of Applied Physics, 116 (9). 93513pp. doi:10.1063/1.4894467
Wegner, M., Leuthold, J., Peterlechner, M., Song, X., Divinski, S. V., Wilde, G. (2014) Grain boundary and triple junction diffusion in nanocrystalline copper. Journal of Applied Physics, 116 (9). 93514pp. doi:10.1063/1.4893960
Hans, M., to Baben, M., Music, D., Ebenhöch, J., Primetzhofer, D., Kurapov, D., Arndt, M., Rudigier, H., Schneider, J. M. (2014) Effect of oxygen incorporation on the structure and elasticity of Ti-Al-O-N coatings synthesized by cathodic arc and high power pulsed magnetron sputtering. Journal of Applied Physics, 116 (9). 93515pp. doi:10.1063/1.4894776
Cao, Xiuxia, Li, Jiabo, Li, Jun, Li, Xuhai, Xu, Liang, Wang, Yuan, Zhu, Wenjun, Meng, Chuanmin, Zhou, Xianming (2014) Refractive index of r-cut sapphire under shock pressure range 5 to 65 GPa. Journal of Applied Physics, 116 (9). 93516pp. doi:10.1063/1.4894854
Rosales, D., Gil, B., Bretagnon, T., Guizal, B., Izyumskaya, N., Monavarian, M., Zhang, F., Okur, S., Avrutin, V., ÖzgĂŒr, Ü., Morkoç, H. (2014) Recombination dynamics of excitons with low non-radiative component in semi-polar (10-11)-oriented GaN/AlGaN multiple quantum wells. Journal of Applied Physics, 116 (9). 93517pp. doi:10.1063/1.4894513
Berahman, M., Sheikhi, M. H. (2014) Transport properties of zigzag graphene nanoribbon decorated with copper clusters. Journal of Applied Physics, 116 (9). 93701pp. doi:10.1063/1.4891447
Zhao, Hong-Kang, Zou, Wei-Ke, Chen, Qiao (2014) Shot noise of charge current in a quantum dot responded by rotating and oscillating magnetic fields. Journal of Applied Physics, 116 (9). 93702pp. doi:10.1063/1.4894294
Sarmiento-PĂ©rez, Rafael, Botti, Silvana, Schnohr, Claudia S., Lauermann, Iver, Rubio, Angel, Johnson, Benjamin (2014) Local versus global electronic properties of chalcopyrite alloys: X-ray absorption spectroscopy and ab initio calculations. Journal of Applied Physics, 116 (9). 93703pp. doi:10.1063/1.4893579
Song, Changsheng, Wang, Jiqing, Lin, Weixian, Mao, Huibing, Zhao, Qiang, Yang, Pingxiong, Xing, Huaizhong (2014) Enhanced efficiency of p-type doping by band-offset effect in wurtzite and zinc-blende GaAs/InAs-core-shell nanowires. Journal of Applied Physics, 116 (9). 93704pp. doi:10.1063/1.4894442
(2014) Anisotropic elastic scattering of stripe/line-shaped scatters to two-dimensional electron gas: Model and illustrations in a nonpolar AlGaN/GaN hetero-junction. Journal of Applied Physics, 116 (9). 93705pp. doi:10.1063/1.4894625
Liu, Xiao Jing, Dong, Kang Liang, An, Zhong (2014) Influence of heterogeneous sulfur atoms on the negative differential resistance effect in polythiophene. Journal of Applied Physics, 116 (9). 93706pp. doi:10.1063/1.4894691
(2014) Electron-phonon coupling modification and carrier mobility enhancement in poly(3,4-ethylenedioxythiophene) doped with poly(4-styrenesulfonate) films by ultraviolet irradiation. Journal of Applied Physics, 116 (9). 93707pp. doi:10.1063/1.4894836
Tahir, M., Manchon, A., Schwingenschlögl, U. (2014) Enhanced thermoelectric power in ultrathin topological insulators with magnetic doping. Journal of Applied Physics, 116 (9). 93708pp. doi:10.1063/1.4894283
Kuo, Chin-Lung, Chen, Wei-Guang, Chen, Tzu-Ying (2014) The electronic structure changes and the origin of the enhanced optical properties in N-doped anatase TiO2—A theoretical revisit. Journal of Applied Physics, 116 (9). 93709pp. doi:10.1063/1.4894444
Luo, Yi-Dong, Song, Kenan, Shun, Li, Gao, Junqi, Xu, Ben, Lin, Yuan-Hua, Nan, Ce-Wen, Liu, Wei (2014) Electric and magnetic behaviors observed in NiO-based thin films under light-irradiation. Journal of Applied Physics, 116 (9). 93710pp. doi:10.1063/1.4895047
Sendil Kumar, A., Srinath, S. (2014) Observation of negative magneto-resistance in SrFe1−xTixO3−ή (x = 0 to 0.3) systems. Journal of Applied Physics, 116 (9). 93711pp. doi:10.1063/1.4895058
Vieira JĂșnior, D. S., Leonel, S. A., Dias, R. A., Toscano, D., Coura, P. Z., Sato, F. (2014) Ground state study of the thin ferromagnetic nano-islands for artificial spin ice arrays. Journal of Applied Physics, 116 (9). 93901pp. doi:10.1063/1.4894252
El Kammouni, R., Iglesias, I., Chichay, K., Svec, P., Rodionova, V., Vazquez, M. (2014) High-temperature magnetic behavior of soft/soft and soft/hard Fe and Co-based biphase microwires. Journal of Applied Physics, 116 (9). 93902pp. doi:10.1063/1.4894618
Markovich, V., Fita, I., Wisniewski, A., Puzniak, R., Mogilyansky, D., Naumov, S. V., Mostovshchikova, E. V., Telegin, S. V., Gorodetsky, G., Jung, G. (2014) Doping dependent magnetism and exchange bias in CaMn1−xWxO3 manganites. Journal of Applied Physics, 116 (9). 93903pp. doi:10.1063/1.4894280
Kocakaplan, Yusuf, Keskin, Mustafa (2014) Hysteresis and compensation behaviors of spin-3/2 cylindrical Ising nanotube system. Journal of Applied Physics, 116 (9). 93904pp. doi:10.1063/1.4894509
Wu, Y. P., Yang, Yong, Yang, Z. H., Ma, Fusheng, Zong, B. Y., Ding, Jun (2014) Tuning microwave magnetic properties of FeCoN thin films by controlling dc deposition power. Journal of Applied Physics, 116 (9). 93905pp. doi:10.1063/1.4894512
Roy, Aparna, De Toro, J. A., Amaral, V. S., Marques, D. P., Ferreira, J. M. F. (2014) Effect of Ni precursor solution concentration on the magnetic properties and exchange bias of Ni-NiO nanoparticulate systems. Journal of Applied Physics, 116 (9). 93906pp. doi:10.1063/1.4894629
Bahmanrokh, Ghazaleh, Hashim, Mansor, Matori, Khamirul Amin, Navasery, Manizheh, Soltani, Nayereh, Vaziri, Parisa, Kanagesan, Samikannu, Sabbaghizadeh, Rahim, Ezzad Shafie, Mohd Shamsul (2014) Recording-media-related morphology and magnetic properties of crystalline CoPt3 and CoPt3-Au core-shell nanoparticles synthesized via reverse microemulsion. Journal of Applied Physics, 116 (9). 93907pp. doi:10.1063/1.4894154
Aranda, G. R., Kakazei, G. N., GonzĂĄlez, J., Guslienko, K. Y. (2014) Ferromagnetic resonance micromagnetic studies in patterned permalloy thin films and stripes. Journal of Applied Physics, 116 (9). 93908pp. doi:10.1063/1.4894164
Ren, Q. Q., Fan, J. L., Han, Y., Gong, H. R. (2014) Structural, thermodynamic, mechanical, and magnetic properties of FeW system. Journal of Applied Physics, 116 (9). 93909pp. doi:10.1063/1.4894396
Li, Xingzhou, Pan, Ye (2014) Magnetocaloric effect in Fe-Zr-B-M (M = Ni, Co, Al, and Ti) amorphous alloys. Journal of Applied Physics, 116 (9). 93910pp. doi:10.1063/1.4895048
Qiang, Jian, Estevez, Diana, Dong, Yaqiang, Man, Qikui, Chang, Chuntao, Wang, Xinmin, Li, Run-Wei (2014) Giant magnetoimpedance effect enhanced by thermoplastic drawing. Journal of Applied Physics, 116 (9). 93911pp. doi:10.1063/1.4895055
Shreiber, D., Cole, M. W., Enriquez, E., Hirsch, S. G., Ngo, E., Hubbard, C., Ivill, M., Chen, Chonglin (2014) Some unusual behavior of dielectric properties of SrTiO3 metal organic chemical vapor deposition grown thin films. Journal of Applied Physics, 116 (9). 94101pp. doi:10.1063/1.4894811
Bennett, J., Shrout, T. R., Zhang, S. J., Mandal, P., Bell, A. J., Stevenson, T. J., Comyn, T. P. (2014) Temperature dependence of the intrinsic and extrinsic contributions in BiFeO3-(K0.5Bi0.5)TiO3-PbTiO3 piezoelectric ceramics. Journal of Applied Physics, 116 (9). 94102pp. doi:10.1063/1.4894443
Singamaneni, Srinivasa Rao, Punugupati, Sandhyarani, Prater, John T., Hunte, Frank, Narayan, Jagdish (2014) Ferroelectric and ferromagnetic properties in BaTiO3thin films on Si (100). Journal of Applied Physics, 116 (9). 94103pp. doi:10.1063/1.4894508
Scalerandi, M., Barbero, G., Alexe-Ionescu, A. L. (2014) Evidence for frequency dependent diffusion in hydrogel. Journal of Applied Physics, 116 (9). 94104pp. doi:10.1063/1.4892092
Kozlov, Mikhail, Oh, Jiyoung (2014) Thermo-electromagnetic sound transducer based on carbon nanotube sheet. Journal of Applied Physics, 116 (9). 94301pp. doi:10.1063/1.4894143
Faivre, T., Golubev, D., Pekola, J. P. (2014) Josephson junction based thermometer and its application in bolometry. Journal of Applied Physics, 116 (9). 94302pp. doi:10.1063/1.4894516
Huang, Bo, Dai, Qian, Zhuo, Ningze, Jiang, Qingsong, Shi, Fenghua, Wang, Haibo, Zhang, Huichao, Liao, Chen, Cui, Yiping, Zhang, Jiayu (2014) Bicolor Mn-doped CuInS2/ZnS core/shell nanocrystals for white light-emitting diode with high color rendering index. Journal of Applied Physics, 116 (9). 94303pp. doi:10.1063/1.4894246
Kunal, K., Aluru, N. R. (2014) Intrinsic dissipation in a nano-mechanical resonator. Journal of Applied Physics, 116 (9). 94304pp. doi:10.1063/1.4894282
Firdaus, Yuliar, Vandenplas, Erwin, Justo, Yolanda, Gehlhaar, Robert, Cheyns, David, Hens, Zeger, Van der Auweraer, Mark (2014) Enhancement of the photovoltaic performance in P3HT: PbS hybrid solar cells using small size PbS quantum dots. Journal of Applied Physics, 116 (9). 94305pp. doi:10.1063/1.4894404
Tiwari, Shashi, Takashima, Wataru, Nagamatsu, S., Balasubramanian, S. K., Prakash, Rajiv (2014) A comparative study of spin coated and floating film transfer method coated poly (3-hexylthiophene)/poly (3-hexylthiophene)-nanofibers based field effect transistors. Journal of Applied Physics, 116 (9). 94306pp. doi:10.1063/1.4894458
Nikbakht, Moladad (2014) Radiative heat transfer in anisotropic many-body systems: Tuning and enhancement. Journal of Applied Physics, 116 (9). 94307pp. doi:10.1063/1.4894622
Ning, Feng, Wang, Dan, Tang, Li-Ming, Zhang, Yong, Chen, Ke-Qiu (2014) The effects of the chemical composition and strain on the electronic properties of GaSb/InAs core-shell nanowires. Journal of Applied Physics, 116 (9). 94308pp. doi:10.1063/1.4894707
Yamamura, Takafumi, Kiba, Takayuki, Yang, Xiaojie, Takayama, Junichi, Subagyo, Agus, Sueoka, Kazuhisa, Murayama, Akihiro (2014) Growth-temperature dependence of optical spin-injection dynamics in self-assembled InGaAs quantum dots. Journal of Applied Physics, 116 (9). 94309pp. doi:10.1063/1.4894712
Udayabhaskar, R., Karthikeyan, B. (2014) Role of micro-strain and defects on band-gap, fluorescence in near white light emitting Sr doped ZnO nanorods. Journal of Applied Physics, 116 (9). 94310pp. doi:10.1063/1.4893562
Pandey, Rajiv K., Singh, Arun Kumar, Upadhyay, C., Prakash, Rajiv (2014) Molecular self ordering and charge transport in layer by layer deposited poly (3,3‮-dialkylquarterthiophene) films formed by Langmuir-Schaefer technique. Journal of Applied Physics, 116 (9). 94311pp. doi:10.1063/1.4894515
Wang, Jiaxin, Wu, Chunlei, Huang, Qianqian, Wang, Chao, Huang, Ru (2014) A closed-form capacitance model for tunnel FETs with explicit surface potential solutions. Journal of Applied Physics, 116 (9). 94501pp. doi:10.1063/1.4894624
Wang, Ying, Yang, Lin'an, Wang, Zhizhe, Chen, Qing, Huang, Yonghong, Dai, Yang, Chen, Haoran, Zhao, Hongliang, Hao, Yue (2014) Ultra-short channel GaN high electron mobility transistor-like Gunn diode with composite contact. Journal of Applied Physics, 116 (9). 94502pp. doi:10.1063/1.4894627
Stuckelberger, M., Riesen, Y., Despeisse, M., SchĂŒttauf, J.-W., Haug, F.-J., Ballif, C. (2014) Light-induced Voc increase and decrease in high-efficiency amorphous silicon solar cells. Journal of Applied Physics, 116 (9). 94503pp. doi:10.1063/1.4894457
Wang, Bei-Yin, Liu, Shao-Bin, Bian, Bo-Rui, Mao, Zhi-Wen, Liu, Xiao-Chun, Ma, Ben, Chen, Lin (2014) A novel ultrathin and broadband microwave metamaterial absorber. Journal of Applied Physics, 116 (9). 94504pp. doi:10.1063/1.4894824
Chen, Hsiang, Chu, Yu-Cheng, Shei, Shih-Chang, Chen, Yun-Ti, Chen, Chian-You (2014) Electrical, optical, and material characterizations of blue InGaN light emitting diodes submitted to reverse-bias stress in water vapor condition. Journal of Applied Physics, 116 (9). 94505pp. doi:10.1063/1.4894831
Zhu, H., Semperlotti, F. (2014) A passively tunable acoustic metamaterial lens for selective ultrasonic excitation. Journal of Applied Physics, 116 (9). 94901pp. doi:10.1063/1.4894279
Zhang, Zhen-Long, Ma, Wen-Hai, Mao, Yan-Li (2014) Enhanced separation efficiency of photoinduced charges for antimony-doped tin oxide (Sb-SnO2)/TiO2 heterojunction semiconductors with varied Sb doping concentration. Journal of Applied Physics, 116 (9). 94902pp. doi:10.1063/1.4894615
Aliev, Gazi N., Goller, Bernhard (2014) Quasi-periodic Fibonacci and periodic one-dimensional hypersonic phononic crystals of porous silicon: Experiment and simulation. Journal of Applied Physics, 116 (9). 94903pp. doi:10.1063/1.4894620

See Also

These are possibly similar items as determined by title/reference text matching only.

(2014, September) Journal of Applied Physics Vol. 116 (10) AIP Publishing
(2014, September) Journal of Applied Physics Vol. 116 (11) AIP Publishing
(2014, September) Journal of Applied Physics Vol. 116 (12) AIP Publishing
(2014, September) Applied Physics Letters Vol. 105 (9) AIP Publishing
(1938, September) Journal of Applied Physics Vol. 9 (9) AIP Publishing
(2014, September) The Journal of Chemical Physics Vol. 141 (9) AIP Publishing
(2014, July) Journal of Applied Physics Vol. 116 (1) AIP Publishing
(2014, October) Journal of Applied Physics Vol. 116 (13) AIP Publishing
(2014, October) Journal of Applied Physics Vol. 116 (14) AIP Publishing
(2014, October) Journal of Applied Physics Vol. 116 (15) AIP Publishing
(2014, October) Journal of Applied Physics Vol. 116 (16) AIP Publishing
 
and/or  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: August 20, 2025 03:11:41
Go to top of page