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Journal articles on the topic 'Optical bands'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Pérez-Huerta, J. S., Guillermo P. Ortiz, Bernardo S. Mendoza, and W. Luis Mochán. "Macroscopic optical response and photonic bands." New Journal of Physics 15, no. 4 (2013): 043037. http://dx.doi.org/10.1088/1367-2630/15/4/043037.

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2

Carbotte, J. P., and E. Schachinger. "Optical Sum Rule in Finite Bands." Journal of Low Temperature Physics 144, no. 4-6 (2006): 61–120. http://dx.doi.org/10.1007/s10909-006-9228-2.

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3

Alagappan, Gandhi, and Ching Eng Png. "Flat bands of optical dielectric beats." Journal of the Optical Society of America A 35, no. 5 (2018): 794. http://dx.doi.org/10.1364/josaa.35.000794.

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4

Park, No-Wook, Min-Gyu Park, Geun-Ho Kwak, and Sungwook Hong. "Deep Learning-Based Virtual Optical Image Generation and Its Application to Early Crop Mapping." Applied Sciences 13, no. 3 (2023): 1766. http://dx.doi.org/10.3390/app13031766.

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This paper investigates the potential of cloud-free virtual optical imagery generated using synthetic-aperture radar (SAR) images and conditional generative adversarial networks (CGANs) for early crop mapping, which requires cloud-free optical imagery at the optimal date for classification. A two-stage CGAN approach, including representation and generation stages, is presented to generate virtual Sentinel-2 spectral bands using all available information from Sentinel-1 SAR and Sentinel-2 optical images. The dual-polarization-based radar vegetation index and all available multi-spectral bands o

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5

Zakaria, Heba, Moataza Hindy, and Adel El-Henawi. "Optically controlled UWB antenna using photonic crystal waveguides." International Journal of Microwave and Wireless Technologies 9, no. 8 (2017): 1661–66. http://dx.doi.org/10.1017/s1759078717000241.

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This paper presents a new optically controlled reconfigurable ultra-wideband antenna using reconfigurable optical router with photonic crystal substrate. The proposed antenna has three optical switches. The optical switches are made by placing silicon wafers over three slots etched on the resonator. The coplanar fed microstrip antenna can work at eight modes using optically controlled switches. This design proposes triple narrow notched bands at center frequencies 3.5 GHz “WiMAX”, 5.5 GHz “WLAN” and 8.4 GHz “X-band satellite communication”. The proposed antenna satisfies the voltage standing w

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6

Hamano, Satoshi, Naoto Kobayashi, Hideyo Kawakita, et al. "Survey of Near-infrared Diffuse Interstellar Bands in Y and J Bands. I. Newly Identified Bands." Astrophysical Journal Supplement Series 262, no. 1 (2022): 2. http://dx.doi.org/10.3847/1538-4365/ac7567.

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Abstract We searched for diffuse interstellar bands (DIBs) in the 0.91 < λ < 1.33 μm region by analyzing the near-infrared (NIR) high-resolution (R = 20,000 and 28,000) spectra of 31 reddened early-type stars (0.04 < E(B − V) < 4.58) and an unreddened reference star. The spectra were collected using the WINERED spectrograph, which was mounted on the 1.3 m Araki telescope at Koyama Astronomical Observatory, Japan, in 2012–2016, and on the 3.58 m New Technology Telescope at La Silla Observatory, Chile, in 2017–2018. We detected 54 DIBs—25 of which are newly detected by this study—and

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7

Rajah, P., J. Odindi, and O. Mutanga. "Assessing the synergistic potential of Sentinel-2 spectral reflectance bands and derived vegetation indices for detecting and mapping invasive alien plant species." South African Journal of Geomatics 9, no. 1 (2022): 75–88. http://dx.doi.org/10.4314/sajg.v9i1.6.

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Grassland biomes are valuable socio-economic and ecological resources. However, the invasion of grasslands by alien plant species has emerged as one of the biggest threats to their sustainability, management and conservation. Timely, cost-effective and accurate determination of invasive alien plant spatial distribution is paramount for mitigating the adverse effects of alien plants on natural grasslands. Whereas literature on use of optical bands for invasive alien plants detection and mapping is abound, there is paucity in literature on the integration of Vegetation Indices (VIs) and optical

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8

XU YONG-NIAN and LU DONG. "ENERGY BANDS AND OPTICAL PROPERTIES OF CdTe." Acta Physica Sinica 42, no. 3 (1993): 477. http://dx.doi.org/10.7498/aps.42.477.

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9

Gilliland, J. W., and D. R. Powers. "Nitrogen-related absorption bands in optical fibres." Electronics Letters 23, no. 4 (1987): 144. http://dx.doi.org/10.1049/el:19870101.

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10

Glinski, Robert J., and Christopher M. Anderson. "On the Red Rectangle optical emission bands." Monthly Notices of the Royal Astronomical Society 332, no. 2 (2002): L17—L22. http://dx.doi.org/10.1046/j.1365-8711.2002.05351.x.

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11

Casarotto, L., R. Tutsch, R. Ritter, H. Dierke, F. Klose, and H. Neuhäuser. "Investigation of PLC bands with optical techniques." Computational Materials Science 32, no. 3-4 (2005): 316–22. http://dx.doi.org/10.1016/j.commatsci.2004.09.037.

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12

Blumenau, A. T., R. Jones, S. Öberg, T. Frauenheim, and P. R. Briddon. "Optical bands related to dislocations in Si." Journal of Physics: Condensed Matter 12, no. 49 (2000): 10123–29. http://dx.doi.org/10.1088/0953-8984/12/49/311.

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13

Gu, Z. Z., T. Iyoda, A. Fujishima, and O. Sato. "Photo-Reversible Regulation of Optical Stop Bands." Advanced Materials 13, no. 17 (2001): 1295. http://dx.doi.org/10.1002/1521-4095(200109)13:17<1295::aid-adma1295>3.0.co;2-7.

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14

Stsepuro, N. G., M. S. Kovalev, G. K. Krasin, P. A. Danilov, and S. I. Kudryashov. "Three-dimensional mapping of the optical centers in the bulk of natural diamond by photoluminescent spectroscopy." Journal of Physics: Conference Series 2127, no. 1 (2021): 012049. http://dx.doi.org/10.1088/1742-6596/2127/1/012049.

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Abstract Optically active defects in natural diamonds form specific spectral bands in the optical absorption and luminescence spectra and are called optical centers. Optical centers in the visible spectral range and their corresponding defects are called color centers. Spectral absorption and luminescence bands usually occupy several tens of nanometers in the spectral range and often have a complex structure. This spectral structure is unique to each optical center. The stationary broadband UV-MIR characterization of the set of optically active defects in the bulk of natural diamond with a wid

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15

Hao, Zeng Zhou, Fang Gong, Lin Ren, and De Lu Pan. "The Optical and Thermal Properties of Asian Dust over Ocean." Key Engineering Materials 500 (January 2012): 231–37. http://dx.doi.org/10.4028/www.scientific.net/kem.500.231.

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Asian dust storms, which can long range transport and pass through the China Sea, often occur on spring. During this process, dust storm makes some impact on marine ecology and region climate, and the present of Asian dust aerosols over ocean takes some difficult for cloud detection, atmosphere correction of ocean color and sea surface temperature retrieval. Study on Asian dust aerosol properties over ocean is the basis of satellite remote sensing, which is a powerful tool to study dust over ocean. In this paper, the optical and thermal properties of Asian dust aerosol are presented by combini

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16

Matsuura, K., S. Kishida, K. Yoshida, and I. Tsubumi. "Optical Bleaching of the F+ Optical Absorption Bands in ZnS Crystals." physica status solidi (b) 142, no. 2 (1987): 617–27. http://dx.doi.org/10.1002/pssb.2221420232.

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17

Osetsky, A. Yu, T. V. Panchenko, M. D. Volnianskii, and M. P. Trubitsyn. "Optical absorption of LiNaGe4O9:Mn crystal." Journal of Physics and Electronics 29, no. 1 (2021): 69–72. http://dx.doi.org/10.15421/332110.

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The paper reports the results of optical absorption spectra studying in LiNaGe4O9 crystal doped with Mn. It is shown that Mn impurity causes the appearance of the additional absorption bands. The intensities of these bands change in different ways in the range of the ferroelectric phase transition. Semi-empirical version of the crystal field theory is used to discuss localization and charge state of Mn impurity ions in the LiNaGe4O9 structure.

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18

Goessling, Johannes W., Yanyan Su, Christian Maibohm, Marianne Ellegaard, and Michael Kühl. "Differences in the optical properties of valve and girdle band in a centric diatom." Interface Focus 9, no. 1 (2018): 20180031. http://dx.doi.org/10.1098/rsfs.2018.0031.

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Diatoms are phototrophic single-celled microalgae encased in a cell wall (frustule) made of amorphous silicate. The frustule comprises two valves connected by a variable number of girdle bands, all exhibiting periodic micro/nanoporous structures. We studied the optical properties in water of girdle bands from the centric diatom Coscinodiscus granii , a frustule part that so far has received little attention by the scientific community. We show that valves and girdle bands exhibit different optical properties, as valves attenuate shorter wavelengths and girdle bands attenuate longer wavelengths

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19

Schmidt, Timothy W., and Robert G. Sharp. "The Optical Spectroscopy of Extraterrestrial Molecules." Australian Journal of Chemistry 58, no. 2 (2005): 69. http://dx.doi.org/10.1071/ch04269.

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The ongoing quest to identify molecules in the interstellar medium by their electronic spectra in the visible region is reviewed. Identification of molecular absorption is described in the context of the elucidation of the carriers of the unidentified Diffuse Interstellar Bands, and molecular emission is discussed with reference to the unidentified Red Rectangle bands. The experimental techniques employed in undertaking studies on the optical spectroscopy of extraterrestrial molecules are described and critiqued in the context of their application.

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20

Li, Huai-Zhen, Di-Fu Guo, Long-Hua Qin, et al. "Optical Monitoring and Long-term Optical Spectral Variability of BL Lacertae Object S5 0716+714." Astrophysical Journal Supplement Series 277, no. 1 (2025): 18. https://doi.org/10.3847/1538-4365/adaeb6.

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Abstract We present photometric observations of the BL Lacertae object S5 0716+714 with a temporal resolution of 120 s in the Sloan i ′ and r ′ bands. These observations were conducted using the Comet Search Program telescope at Xingming Observatory from 2018 December 22 to 2020 February 15, and more than 5600 effective images were obtained on each filter across 79 nights. Additionally, we compiled long-term variability data spanning 34 yr in the optical UBVRI bands. Using the power-enhanced F-test and nested ANOVA test, we found intraday variability (IDV) on 31 nights and possible IDV on 20 n

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21

Draskovic, Drasko, Jean Raphaël Olivier Fernandez, and César Briso Rodríguez. "Planar Ultrawideband Antenna with Photonically Controlled Notched Bands." International Journal of Antennas and Propagation 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/924768.

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A design of a planar microstrip-fed ultrawideband (UWB) printed circular monopole antenna with optically controlled notched bands is presented. The proposed antenna is composed of a circular ultrawideband patch, with an etched T-shaped slot controlled by an integrated silicon switch. The slot modifies the frequency response of the antenna suppressing 3.5–5 GHz band when the switch is in open state. The optical switch is controlled by a low-power near-infrared (808 nm) laser diode, which causes the change in the frequency response of the antenna generating a frequency notch. This solution could

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22

Leto, Andrea, and Giuseppe Pezzotti. "Nano Stress Measurement and Microstructural Characterization of Silicon-Based Optical Devices Using Their Native Luminescence." Key Engineering Materials 287 (June 2005): 317–22. http://dx.doi.org/10.4028/www.scientific.net/kem.287.317.

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Electron-stimulated luminescence (cathodoluminescence, CL, henceforth) assessments can be quantitatively used in silicon-based optical devices for obtaining information about: (i) the residual stresses piled up during manufacturing; and (ii) the micro/nanoscopic structure of the device. In the present study, a quantitative characterization is presented from a micrometer to a nanometer scale using CL bands of some optically active defects existing within the nanostructure of optical devices. In particular, some CL bands, peculiar of oxygen-related defects in silica, have shown high stress sensi

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23

Baldacchini, G., E. De Nicola, R. M. Montereali, A. Scacco, and V. Kalinov. "Optical bands of F2 and centers in LiF." Journal of Physics and Chemistry of Solids 61, no. 1 (2000): 21–26. http://dx.doi.org/10.1016/s0022-3697(99)00236-x.

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24

Granqvist, C. G. "Electrochromic materials: Microstructure, electronic bands, and optical properties." Applied Physics A Solids and Surfaces 57, no. 1 (1993): 3–12. http://dx.doi.org/10.1007/bf00331209.

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25

Diez, A., G. Kakarantzas, T. A. Birks, and P. St J. Russell. "Acoustic stop-bands in periodically microtapered optical fibers." Applied Physics Letters 76, no. 23 (2000): 3481–83. http://dx.doi.org/10.1063/1.126684.

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26

Scherrer, E. M., B. E. Kananen, E. M. Golden, et al. "Defect-related optical absorption bands in CdSiP_2 crystals." Optical Materials Express 7, no. 3 (2017): 658. http://dx.doi.org/10.1364/ome.7.000658.

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27

Zhai, Xiaofang, Chandra S. Mohapatra, Amish B. Shah, Jian-Min Zuo, and James N. Eckstein. "New Optical Absorption Bands in Atomic-Layer Superlattices." Advanced Materials 22, no. 10 (2010): 1136–39. http://dx.doi.org/10.1002/adma.200904197.

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28

Hagen-Thorn, V. A. "Variable IR and Optical Sources in Blazars." Symposium - International Astronomical Union 159 (1994): 392. http://dx.doi.org/10.1017/s0074180900175813.

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As was shown by Choloniewski (1981), in the frame of two-component model (constant component + variable source) the confrontation of the fluxes observed in various spectral bands permits to find relative spectral energy distribution (if it is unchanged) of the variable source. In this case the observed points are settled on straight lines the slopes of which give the flux ratios in various bands for the variable source.

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29

Pornsuwancharoen, N., M. Tasakorn, and S. Jurajaturasiraratn. "DWDM of Optical Micro Ring Resonator Double Add/Drop Multiplexing for THz Optical Communication." Advanced Materials Research 770 (September 2013): 390–93. http://dx.doi.org/10.4028/www.scientific.net/amr.770.390.

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A system that can be used to generate the new optical communication bandwidths using a Gaussian pulse propagating within a nonlinear microring resonator double add/drop multiplexing system is discussed. By using the wide range of the Gaussian input pulses, for instance, when the input pulses of the common lasers with center wavelength of 1,500 nm are used. Results obtained shows that more available wavelength bands from the optical communication band can be generated, which can be used to form new dense wavelength division multiplexing bands, whereas the use of the very high capacity more than

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30

Sarre, P. J., and T. R. Kendall. "Diffuse Interstellar Bands." Symposium - International Astronomical Union 197 (2000): 343–48. http://dx.doi.org/10.1017/s0074180900164927.

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The unidentified diffuse interstellar bands are observed in near-UV, visible and near-IR spectra recorded towards stars which are partially obscured by interstellar dust. Their origin is the longest standing problem in astronomical spectroscopy and dates back to the 1930s when systematic study of the bands first started. Proposals for the carriers range from molecular hydrogen to porphyrins and from colour centres to species adsorbed on grain surfaces. This paper contains a short review of the problem and a discussion of recent possible assignments of some of the bands to transitions of the H2

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31

Dargys, A. "Simulation of Ultrafast Optical Transitions using Genetic Algorithm." Nonlinear Analysis: Modelling and Control 6, no. 1 (2001): 27–38. https://doi.org/10.15388/na.2001.6.1.15223.

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The purpose of this paper is to investigate the possibility of application of the genetic algorithm to quantum control of electronic transitions between energy bands in solids. In particular, the hole transitions between valence bands induced by ultrashort (femtosecond duration) electric field pulse will be considered. Examples are presented to illustrate the efficiency of the algorithm in this case.

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32

Zhukova, Elena S., Hongbin Zhang, Victor P. Martovitskiy, Yurii G. Selivanov, Boris P. Gorshunov, and Martin Dressel. "Infrared Optical Conductivity of Bulk Bi2Te2Se." Crystals 10, no. 7 (2020): 553. http://dx.doi.org/10.3390/cryst10070553.

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Mid- and near-infrared measurements reveal that the optical conductivity of the three-dimensional topological insulator, Bi2Te2Se, is dominated by bulk carriers and shows a linear-in-frequency increase at 0.5 to 0.8 eV. This linearity might be interpreted as a signature of three-dimensional (bulk) Dirac bands; however, band-structure calculations show that transitions between bands with complex dispersion contribute instead to the inter-band optical conductivity at these frequencies and, hence, the observed linearity is accidental. These results warn against the oversimplified interpretations

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33

Gu, Honggang, Zhengfeng Guo, Liusheng Huang, Mingsheng Fang, and Shiyuan Liu. "Investigations of Optical Functions and Optical Transitions of 2D Semiconductors by Spectroscopic Ellipsometry and DFT." Nanomaterials 13, no. 1 (2023): 196. http://dx.doi.org/10.3390/nano13010196.

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Optical functions and transitions are essential for a material to reveal the light–matter interactions and promote its applications. Here, we propose a quantitative strategy to systematically identify the critical point (CP) optical transitions of 2D semiconductors by combining the spectroscopic ellipsometry (SE) and DFT calculations. Optical functions and CPs are determined by SE, and connected to DFT band structure and projected density of states via equal-energy and equal-momentum lines. The combination of SE and DFT provides a powerful tool to investigate the CP optical transitions, includ

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34

Sirtori, Carlo. "Breaking energy bands." Nature Photonics 3, no. 1 (2009): 13–15. http://dx.doi.org/10.1038/nphoton.2008.262.

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35

Haack, Barry, and Ron Mahabir. "Optical and Radar Data Analysis for Land Use Land Cover Mapping in Peru." Remote Sensing of Land 3, no. 1 (2019): 14–27. http://dx.doi.org/10.21523/gcj1.19030102.

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This analysis determined the best individual band and combinations of various numbers of bands for land use land cover mapping for three sites in Peru. The data included Landsat Thematic Mapper (TM) optical data, PALSAR L-band dual-polarized radar, and derived radar texture images. Spectral signatures were first obtained for each site class and separability between classes determined using divergence measures. Results show that the best single band for analysis was a TM band, which was different for each site. For two of the three sites, the second best band was a radar texture image from a la

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36

Leclaire, Nicolas A., Musen Li, Anna C. Véron, et al. "Cyanine platelet single crystals: growth, crystal structure and optical spectra." Physical Chemistry Chemical Physics 20, no. 46 (2018): 29166–73. http://dx.doi.org/10.1039/c8cp06034g.

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Micro transmittance spectroscopy of ultrathin crystalline organic salt semiconductors reveals strong low-energy and weak high-energy bands polarized along the crystallographic b- and c-axis. While the excitonic coupling pattern explains the occurrence of polarized bands, the observed intensities are opposite of expectations based on chromophore alignment within the crystal.

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37

Xu, Huiqiang, Shengcheng Cui, Zhi Qiao, Xiaodan Liu, Shizhi Yang, and Heli Wei. "An Optical Detection Model for Stratospheric Airships." Remote Sensing 16, no. 11 (2024): 1884. http://dx.doi.org/10.3390/rs16111884.

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This study proposes a numerical model to simulate the thermal characteristics of stratospheric airships (SA). This model introduces a simple yet accurate method for the selection of the optical bands for target detection based on multispectral features. The key to this model is the selection of the spectral bands in which a significant radiation difference exists between the target and its surrounding background. Using the signal-to-noise ratio (SNR), detection probability, and false alarm rate as model evaluation metrics, and based on the analysis of the radiation differences between the targ

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38

Rahman, Muhammad Towfiqur, Mushfiqur Rahman, Md Miraj Hossain, and Md Shahed Hossain Chowdhury. "Integration of Optical and Free Space Optics Network Architecture for High-Speed Communication in Adverse Weather using suitable Optical Bands." International Journal of Electrical and Electronics Research 11, no. 2 (2023): 328–33. http://dx.doi.org/10.37391/ijeer.110212.

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Free Space Optics (FSO) is a highly viable solution for high-speed wireless communication and is widely preferred over radio frequency communication systems because of its faster data transmission, no regulatory requirements and highly secure long-range operations. However, the capacity and availability of FSO optical bands are a significant concern in varying atmospheric conditions. Our objective is to enhance network flexibility and expand wireless network coverage in adverse weather conditions by combining optical and FSO links using optical bands C, S, and O. The study analyzed the perform

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39

Iwabuchi, Hironobu, Soichiro Yamada, Shuichiro Katagiri, Ping Yang, and Hajime Okamoto. "Radiative and Microphysical Properties of Cirrus Cloud Inferred from Infrared Measurements Made by the Moderate Resolution Imaging Spectroradiometer (MODIS). Part I: Retrieval Method." Journal of Applied Meteorology and Climatology 53, no. 5 (2014): 1297–316. http://dx.doi.org/10.1175/jamc-d-13-0215.1.

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AbstractAn optimal estimation–based algorithm is developed to infer the global-scale distribution of cirrus cloud radiative and microphysical properties from the measurements made by the Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) at three infrared (IR) window bands centered at 8.5, 11, and 12 μm. Cloud-top and underlying surface temperatures, as a priori information, are obtained from the MODIS operational products. A fast-forward model based on semianalytical equations for the brightness temperature is used. The modeling errors in brightness temperature are mainly from the unc

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40

Egorov, Vladimir V. "Nature of the optical band shapes in polymethine dyes and H-aggregates: dozy chaos and excitons. Comparison with dimers, H*- and J-aggregates." Royal Society Open Science 4, no. 5 (2017): 160550. http://dx.doi.org/10.1098/rsos.160550.

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Results on the theoretical explanation of the shape of optical bands in polymethine dyes, their dimers and aggregates are summarized. The theoretical dependence of the shape of optical bands for the dye monomers in the vinylogous series in line with a change in the solvent polarity is considered. A simple physical (analytical) model of the shape of optical absorption bands in H-aggregates of polymethine dyes is developed based on taking the dozy-chaos dynamics of the transient state and the Frenkel exciton effect in the theory of molecular quantum transitions into account. As an example, the d

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41

Stankevich, S. A. "Informativity of Earth remote sensing optical bands: practical algorithms." Kosmìčna nauka ì tehnologìâ 14, no. 2 (2008): 22–27. http://dx.doi.org/10.15407/knit2008.02.022.

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42

Gangwar, Jitendra. "Microstructure, Phase Formations And Optical Bands In Nanostructured Alumina." Advanced Materials Letters 2, no. 6 (2011): 402–8. http://dx.doi.org/10.5185/amlett.2011.3233.

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43

Nath, Janardan, Evan Smith, Douglas Maukonen, and Robert E. Peale. "Optical Salisbury screen with design-tunable resonant absorption bands." Journal of Applied Physics 115, no. 19 (2014): 193103. http://dx.doi.org/10.1063/1.4876117.

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44

Liu, Ying, Xu Zhou, Jun Ma, et al. "Deep Surface Photometry of M87 with 13 Optical Bands." Astronomical Journal 129, no. 6 (2005): 2628–35. http://dx.doi.org/10.1086/430186.

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45

Pospischil, Andreas, Markus Humer, Marco M. Furchi, et al. "CMOS-compatible graphene photodetector covering all optical communication bands." Nature Photonics 7, no. 11 (2013): 892–96. http://dx.doi.org/10.1038/nphoton.2013.240.

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46

Muoi, Do, Nguyen N. Hieu, Van Thinh Pham, et al. "Low-energy bands and optical properties of monolayer WS2." Optik 209 (May 2020): 164581. http://dx.doi.org/10.1016/j.ijleo.2020.164581.

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47

Kash, J. A., M. Zachau, M. A. Tischler, and U. Ekenberg. "Optical measurements of warped valence bands in quantum wells." Surface Science 305, no. 1-3 (1994): 251–55. http://dx.doi.org/10.1016/0039-6028(94)90895-8.

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48

Díaz-de-Anda, A., J. Flores, L. Gutiérrez, R. A. Méndez-Sánchez, G. Monsivais, and A. Morales. "Emergence of acoustic and optical bands in elastic systems." Journal of the Acoustical Society of America 134, no. 6 (2013): 4393–400. http://dx.doi.org/10.1121/1.4828822.

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49

Vignaud, D., and J. L. Farvacque. "Dislocation energy bands in GaAs: An optical absorption study." Journal of Applied Physics 67, no. 1 (1990): 281–86. http://dx.doi.org/10.1063/1.345249.

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50

Camarillo, E., J. Tocho, I. Vergara, E. Díeguez, J. García Solé, and F. Jaque. "Optical bands ofC3+induced byMg2+ions inLiNbO3:Cr,Mg." Physical Review B 45, no. 9 (1992): 4600–4604. http://dx.doi.org/10.1103/physrevb.45.4600.

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