Judul: Studi kasus Desa Selajambe, Kecamatan Cisaat, Kabupaten Sukabumi, Jawa Barat
Abstrak: Krisis ekonomi berkepanjangan yang melanda bangsa Indonesia sejak pertengahan tahun 1997 serentak melumpuhkan sendi-sendi perekonomian nasional. Dalam kondisi perekonomian seperti ini, salah satu sektor yang masih dapat bertahan dan dapat diandalkan serta dapat memberikan kontribusi yang positif pada pertumbuhan ekonomi adalah sektor pertanian, yang termasuk didalamnya adalah sub sektor perikanan. Negara Indonesia merupakan negara kepulauan yang memiliki potensi yang sangat besar sekali dalam sektor perikanan
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Judul: Studi Kasus di Desa Selajambe, Kecamatan Cisaat, Kabupaten Sukabumi, Jawa Barat
Abstrak: Indonesia memerlukan strategi pembangunan ekonomi yang memiliki kemaliipuan jangkauan pemecahan masalali yang luas dan berpandangan jauh ke depan untuk memecahkan persoalan ekonomi yang begitu luas. Strategi yang drlakukan trdak hanya mariipu rnewujudkan pertumbuhan ekonomi, tetapi juga secara simultan lnampu menghasilkan devisa yang besar untuk pembayaran utang, menc~ptakan lapansall kerja yang akomodatif terliadap keragaman tenaga kerja memperkuat sister11 ketahanan panyan dan mengendalikan inflasi, menghapus kerniskinan, rnewujudkan pernerataan dan menjamin pembangunan yang berkelanjutan. Salah satu potensi yang dapat dikembangkan dalam rangka pemulihan ekonomi adalah pembanyunan di sektor perikanan.
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Judul: Enhancement of photon absorbtion on BaxSr1-xTiO3 thin films semiconductor using photonic crystals.
Abstrak: In this research, has been conducted BaxSr1-xTiO3 (BST) thin films manufacturing for mole fraction x = 0.25, 0.35, 0.45, and 0.55; and concentration of 1 molar using chemical solution depositon (CSD) method. The materials, which are used in this research, are barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%], titanium isopropoxide [Ti(C12O4H28), 97.999%], gallium trioxide [Ga2O3], 2-methoxyethanol [H3COOCH2CH2OH, 99%] and 1 x 1 cm of transparent conductive oxide (TCO) glass as substrate. Two BST thin films are made that for BST thin films which are doped by 10% galium (BGST) as p-type layer and pure BST solution as n-type. BST solution is made by reacting barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%] and titanium isopropoxide [Ti(C12O4H28)] into 2-methoxyethanol solvent [H3COOCH2CH2OH, 99%] in accordance with mass gram for each x value. While, BGST solution is made in the same way as BST solution, plus adding gallium at 10% of the mass of BST. Once all materials are reacted, then vibrated using ultrasonic for 90 minutes, and followed by coating BGST / BST on the TCO substrate. Once the layer is formed, then annealed for 15 hours at temperature of 500 °C with increasing rate of 1.67 oC/minute. Characterizations of BST thin films with or without photonic crystals include the absorbance and transmittance in the visible light spectrum, as well as the electrical photoconductivity characterizations. From BST thin films without photonic crystals indicate that our thin films have light absorption area on almost the entire range of the visible light spectrum even to the infrared range with absorption value over than 67.6%, in addition, it can be seen that the maximum absorbance of BST thin films for all mole fractions lie in blue to green light spectrum region, 457 nm ≤ λ ≤ 570 nm and the minimum in yellow to red light spectrum region, 570 nm ≤ λ ≤ 678 nm. The largest absorbance is found at x = 0.25 with average absorbance value of 92.04% and maximum and minimum absorbance peaks at wavelength of 500.89 and 657.72 nm, respectively. At x = 0.35, average absorbance value decreased to 83.55% with maximum and minimum peaks at 505.73 and 613.68 nm, respectively. Then increased to 91.16% at x = 0.45 with maximum and minimum peaks at 506.04 and 618.56 nm, respectively. At x = 0.55, average absorbance value decreased to 80.12% with maximum and minimum peaks at 507.85 and 608.79 nm, respectively. Moreover, it can be seen that the addition of barium mole fraction leads to wider maximum absorbance or minimum transmittance peaks and narrower minimum absorbance or maximum transmittance peaks in the same range of the green and blue & red light spectrums, respectively. BST thin films with photonic crystals show increasing in absorption for all x values in the range of 3.04 into 13.33%. At x = 0.25, average absorbance percentage increased 3.96% from 92.4 into 95.68%, for x = 0.35 average percentage increased 7.07% into 89.45 from 83.55%. Furthermore, average absorbance of BST thin films at x = 0.45 increased 3.04% from 91.16 into 93.93% and x = 0.55 has
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