1999 – 2002

2002

329. Freiman, Y. A., S. M. Tretyak, A. Jezowski, R. J. Hemley, Quantum crystals under pressure as a probe of many-body forces, J. Low Temp. Phys., 126, 703-708 (2002).

328. Dera, P, C. T. Prewitt, N. Boctor, and R. J. Hemley, Characterization of a high-pressure phase of silica from the Martian metorite Shergotty, Am. Mineral., 87, 1018-1023 (2002).

327. Gregoryanz, E., A. F. Goncharov, R. J. Hemley, H. K., Mao, M. Somayazulu, and G. Shen, Raman, infrared, and x-ray evidence for new phases of nitrogen at high pressures and temperatures, Phys. Rev. B, 66, 224108 (2002).

326. Yan, C., Y. K. Vohra, R. J. Hemley, and H. K. Mao, Very high growth rate chemical vapor deposition of single-crystal diamond, Proc.Nat.l Acad. Sci., 99, 12523-12525 (2002).

325. Goncharov, A. F., V. V. Struzhkin, E. Gregoryanz, R. J. Hemley, H. K. Mao, N. Boctor and E. Huang, Raman scattering of metals to very high pressures, in High-Pressure Phenomena, Proceedings of the International School of Physics, "Enrico Fermi" Course CXLVII (eds. R. J. Hemley, G. L. Chiarotti, M. Bernasconi, L. and Ulivi) 297-313 (IOS Press, Amsterdam, 2002).

324. Struzhkin, V. V., E. Gregoryanz, H. K. Mao, R. J. Hemley and Y. A. Timofeev, New methods for investigating superconductivity at very high pressures, in High Pressure Phenomena (ed. R. J. Hemley) 275-296 (IOS Press/Societa Italiana di Fisica, Amsterdam, 2002).

323. Klug, D. D., M. Z. Zgierski, J. S. Tse, Z. Liu, J. R. Kincaid, K. Czarnecki, and R. J. Hemley, Doming modes and dynamics of model heme compounds, Proc. Nat. Acad. Sci., 99, 12526-12530 (2002).

322. Mao, W. L., H. K. Mao, A. F. Goncharov, V. V. Struzhkin, Q. Guo, J. Hu, J. Shu, R. J. Hemley, M. Somayazulu, and Y. Zhao, Hydrogen clusters in clathrate hydrate, Science, 297, 2247-2249 (2002).

321. Hemley, R. J. and H. K. Mao, New window on earth and planetary interiors, Mineral. Mag., 66, 791-811 (2002).

320. Sanloup, C., H. K. Mao and R. J. Hemley, Evidence for xenon silicates at high pressure and temperature, Geophys. Res. Lett., 29, 1883 (2002).

319. Struzhkin, V. V., M. I. Eremets, W. Gan, H. K. Mao and R. J. Hemley, Superconductivity in dense lithium, Science, 297, 1213-1215 (2002).

318. Hemley, R. J. and H. K. Mao, Overview of static high pressure science, in High-Pressure Phenomena, Proceedings of the International School of Physics, "Enrico Fermi" Course CXLVII (eds. R. J. Hemley, G. L. Chiarotti, M. Bernasconi, L. and Ulivi) 3-40 (IOS Press, Amsterdam, 2002).

317. Hazen, R. M., N. Boctor, J. A. Brandes, G. D. Cody, R. J. Hemley, A. Sharma and H. S. Yoder, High pressure and the origin of life J. Phys.: Cond. Matter, 14, 11489-11494 (2002).

316. Mao, W. L., J. Shu, J. Hu, R. J. Hemley and H. K. Mao, Displacive transition in magnesiowüstite, J. Phys.: Condens. Matter, 14, 11349-11354 (2002).

315. Nakano, S., R. J. Hemley, E. Gregoryanz, A. F. Goncharov and H. K. Mao, Pressure-induced transformations of molecular boron hydride, J. Phys.: Condens. Matter, 14, 10453-10456 (2002).

314. Matsuishi, K., E. Gregoryanz, H. K. Mao and R. J. Hemley, Brillouin and Raman scattering of fluid and solid hydrogen at high pressures and temperatures, J. Phys.: Condens. Matter, 14, 10631-10636 (2002).

313. Liu, Z., J. Hu, H. Yang, H. K. Mao and R. J. Hemley, High-pressure synchrotron x-ray diffraction and infrared microspectroscopy: applications to dense hydrous phases, J. Phys.: Condens. Matter, 14, 10641-10646 (2002).

312. Guo, Q., H. K. Mao, J. Hu, J. Shu and R. J. Hemley, The phase transitions of CoO under static pressure to 104 GPa, J. Phys.: Condens. Matter, 14, 11369-11374 (2002).

311. Xu, J., H. K. Mao and R. J. Hemley, The gem anvil cell: high-pressure behaviour of diamond and related materials, J. Phys.: Condens. Matter, 14, 11549-11552 (2002)

310. Hu, J., J. Xu, M. Somayazulu, Q. Z. Guo, R. J. Hemley and H. K. Mao, X-ray diffraction and laser heating: application of moissanite anvil cell, J. Phys.: Condens. Matter, 14, 10479-10481 (2002).

309. Xu, J., H. K. Mao, R. J. Hemley and E. Hines, The moissanite anvil cell: a new tool for high- pressure research, J. Phys.: Condens. Matter, 14, 11543-11548 (2002).

308. Merkel, S., H. R. Wenk, J. Shu, G. Shen, P. Gillet, H. K. Mao, and R. J. Hemley, Deformation of polycrystalline MgO at pressures of the lower mantle, J. Geophys. Res., 107, 2271 (2002).

307. Sharma, A., J. H. Scott, G. D. Cody, M. L. Fogel, R. M. Hazen, R. J. Hemley and W. T. Huntress, Microbial activity at gigapascal pressures, Science, 295, 1514-1516 (2002).

306. Sharma, A., J. H. Scott, G. D. Cody, M. L. Fogel, R. M. Hazen, R. J. Hemley, R. J., and W. T. Huntress, Are cells viable at gigapascal pressures?, Science, 297, 295a (2002).

305. Hemley, R. J., M. I. Eremets and H. K. Mao, Progress in experimental studies of insulator-metal transitions at multimegabar pressures, in Frontiers of High Pressure Research II (eds. H. D. Hochheimer, Kuchta, B., Dorhout, P. K. and Yarger, J. L.) 201-216 (Kluwer, Amsterdam, 2002).

304. Gregoryanz, E., V. V. Struzhkin, R. J. Hemley, M. I. Eremets, H. K. Mao, and Y. Timofeev, Superconductivity in the chalcogens up to multimegabar pressures, Phys. Rev. B, 65, 064504 (2002).

303. Goncharov, A. F., V. V. Struzhkin, E. Gregoryanz, H. K. Mao, R. J. Hemley, G. Lapertot, S. L. Bud'ko, P. C. Canfield and I. I. Mazin, Pressure dependence of the Raman spectrum, lattice parameters and superconducting critical temperature of MgB2, in Superconducting Magnesium Diboride (ed. A. Narlikar) 339-350 (Nova Science Publishers, Huntington, N.Y., 2002).

302. Timofeev, Y. A., Struzhkin, R. J. Hemley, H. K. Mao, and E. A. Gregoryanz, Improved techniques for measurement of superconductivity in diamond anvil cells by magnetic susceptibility, Rev. Sci. Instrum., 73, 371-377 (2002).

301. Sanloup, C. H. K. Mao, and R. J. Hemley, High-pressure transformations in xenon hydrate, Proc. Nat. Acad. Sci., 99, 25-28 (2002).

300. Merkel, S., A. P. Jephcoat, J. Shu, H. K. Mao, P. Gillet, and R. J. Hemley, Equation of state elasticity, and shear strength of pyrite at high pressure, Phys. Chem. Minerals, 29 (2002).

299. Brazhkin, V. V., A. G. Lyapin and R. J. Hemley, Harder than diamond: dreams and reality, Phil. Mag., 82, 231-253 (2002).

298. Strzhemechny, M. A., R. J. Hemley, H. K. Mao, A. F. Goncharov, and J. H. Eggert, Ortho-para conversion of solid hydrogen at high pressure, Phys. Rev. B, 66, 014103 (2002).

2001

297. Klehe, A.-K., R. D. McDonald, J. Singleton, A. Kleppe, H. Olijnyk, A. P. Jephcoat, A. F. Goncharov, V. V. Struzhkin, R. J. Hemley, H. K. Mao, and T. Sasaki, Raman scattering and infrared reflectivity of α-(ET)2Cu(SCN)2 under pressure, Synthetic Metals, 120, 857-858 (2001).

296. Hemley, R. J. and P. Dera, Molecular crystals, in High-Temperature and High-Pressure Crystal Chemistry, Rev. Min. Geochem. Vol. 41 (eds. R. M. Hazen and Downs, R. T.) 335-419 (M.S.A., Washington, D.C., 2001).

295. Angel, R. J., D. Frost, N. L. Ross, and R. J. Hemley, Stabilities and equations of state of dense hydrous silicates, Phys. Earth Planet. Inter., 127, 181-196 (2001).

294. Hellwig, H., W. B. Daniels, R. J. Hemley, H. K. Mao, E. Gregoryanz, and Z. Yu, Coherent anti- stokes Raman scattering spectroscopy of solid nitrogen to 22 GPa, J. Chem. Phys., 115, 10876-10882 (2001).

293. Goncharov, A. F., E. Gregoryanz, H. K. Mao, and R. J. Hemley, Vibrational dynamics of solid molecular nitrogen to megabar pressures, Low Temp. Phys., 27, 866-869 (2001).

292. Struzhkin, V. V., A. F. Goncharov, R. J. Hemley, H. K. Mao, G. Lapertot, S. L. Bud'ko, and P. C. Canfield, Phonon-assisted electronic topological transition in MgB2 under pressure, J. Phys.: Condens. Matter, 27, 0106576 (2001).

291. Goncharov, A. F., E. Gregoryanz, R. J. Hemley, and H. K. Mao, Spectroscopic studies of the vibrational and electronic properties of solid hydrogen to 285 GPa, Proc. Nat. Acad. Sci., 98, 14234-14237 (2001).

290. Struzhkin, V. V., H. K. Mao, J. Hu, M. Schwoerer-Böhning, J. Shu, R. J. Hemley, W. Sturhahn, M. Y. Hu, E. E. Alp, P. Eng, and G. Shen, Nuclear inelastic x-ray scattering of FeO to 48 GPa, Phys. Rev. Lett., 87, 25550, 1-4 (2001).

289. Matthies, S., S. Merkel, H. R. Wenk, R. J. Hemley, and H. K. Mao, Effects of texture on the determination of elasticity of polycrystalline ε-iron from diffraction measurements, Earth Planet. Sci. Lett., 194, 201-212 (2001).

288. Mao, H. K., C. C. Kao, and R. J. Hemley, Inelastic scattering at ultrahigh pressures, J. Phys.: Condens. Matter, 13, 7847-7858 (2001).

287. Goncharov, A. F., V. V. Struzhkin, E. Gregoryanz, J. Hu, R. J. Hemley, H. K. Mao, G. Lapertot, S. L. Bud'ko, and P. C. Canfield, Raman spectrum and lattice parameters of MgB2 as a function of pressure, Phys. Rev. B, 64, 100509, 1-4 (2001).

286. Eremets, M., V. V. Struzhkin, H. K. Mao, and R. J. Hemley, Superconductivity in boron, Science, 293, 272-274 (2001).

285. Hemley, R. J. and H. K. Mao, In situ studies of iron under pressure: New windows on the Earth's core, Internat. Geol. Rev., 43, 1-26 (2001).

284. Somayazulu, M. A. Madduri, A. F. Goncharov, O. Tschauner, P. F. McMillan, H. K. Mao, and R. J. Hemley, Novel broken symmetry phase from N2O at high pressures and high temperatures, Phys. Rev. Lett., 87, 135504, 1-4 (2001).

283. Tschauner, O., H. K. Mao, and R. J. Hemley, New transformations in CO2 at high pressures and temperatures, Phys. Rev. Lett., 87, 075701, 1-4 (2001).

282. Gregoryanz, E., A. F. Goncharov, R. J. Hemley, and H. K. Mao, High-pressure amorphous nitrogen, Phys. Rev. B, 64, 052103, 1-4 (2001).

281. Feodosyev, S. B., I. A. Gospodarev, M. A. Strzhemechny, and R. J. Hemley, Phonon assisted ortho-para conversion in solid H2 under pressure, Physica B, 300, 186-197 (2001).

280. Matsuishi, K., A. Masui, T. Suzuki, S. Onari, R. J. Hemley and H. K. Mao, Pressure effects on structures and excitons of lead-iodide based self-organized quantum structures, in Proc. 8th NIRIM Int. Symp. Adv. Materials (ISAM 2001) :Ultra-High Pressure Research -- Novel Process for New Materials (eds. M. Akaishi, T. Sekine, K. Takemura, T. Taniguchi, T. Kobayashi, K. Tajima and N. Aida) 117-118 (Nat. Inst. Res. Inorg. Materials, Tsukuba, Japan 2001).

279. Nakano, S., R. J. Hemley, O. Tschauner and H. K. Mao, High-pressure/high-temperature transformations of boron hydride, in Proc. 8th NIRIM Int. Symp. Adv. Materials (ISAM 2001): Ultra-High Pressure Research --Novel Process for New Materials(eds. M. Akaishi, Sekine, T., Takemura, K., Taniguchi, T., Kobayashi, T., Tajima, K. and Aida, N.) 49-50 (Nat. Inst. Res. Inorg. Materials, Tsukuba, Japan, 2001)

278. Mao, H. K. and R. J. Hemley, Ultrahigh pressure research: a new integrated approach, in Proc. 8th NIRIM Int. Symp. Adv. Materials (ISAM 2001): Ultra-High Pressure Research --Novel Process for New Materials (eds. M. Akaishi, Sekine, T., Takemura, K., Taniguchi, T., Kobayashi, T., Tajima, K. and Aida, N.) 57-58 (Nat. Inst. Res. Inorg. Materials, Tsukuba, Japan, 2001).

277. Hemley, R. J. and H. K. Mao, Progress in cryocrystals to megabar pressures, J. Low Temp. Phys., 122, 331-344 (2001).

276. Feldman, J. L., J. H. Eggert, H. K. Mao, and R. J. Hemley, Computations of vibron excitations and Raman spectra in solid hydrogens, J. Low Temp. Phys., 122, 389-399 (2001).

275. Freiman, Y. A., S. M. Tretyak, A. Jezowski, and R. J. Hemley, Self-consistent theory of lattice distortion in solid p-H2, o-D2, and HD, J. Low Temp. Phys., 122, 537-544 (2001).

274. Antsygina, T. N., K. A. Chishko, Y. A. Freiman, S. M. Tretyak, and R. J. Hemley, Analytical approach to mean field theory of the BSP transition in solid hydrogens under pressure, J. Low Temp. Phys., 122, 425-432 (2001).

273. Williams, Q., and R. J. Hemley, Hydrogen in the deep Earth, Ann. Rev. Earth Planet. Sci., 29, 365-418 (2001).

272. Chou, I. M., A. Sharma, R. C. Burruss, R. J. Hemley, A. F. Goncharov, L. A. Stern, and S. H. Kirby, Diamond-anvil cell observations of a new methane hydrate phase in the 100-MPa pressure range, J. Phys. Chem. A, 105, 4664-4668 (2001).

271. Ma, Y., H. K. Mao, R. J. Hemley, S. A. Gramsch, G. Shen, and M. Somayazulu, Two-dimensional energy dispersive x-ray diffraction at high pressures and temperatures, Rev. Sci. Instrum., 72, 1302-1305 (2001).

270. Zou, G., Y. Ma, H. K. Mao, R.J. Hemley, and S.A. Gramsch, A diamond gasket for the laser- heated diamond anvil cell, Rev. Sci. Instrum., 72, 1298-1301 (2001).

269. Eremets, M. I., R. J. Hemley, H. K. Mao, and E. Gregoryanz, Semiconducting non-molecular nitrogen up to 240 GPa and its low-pressure stability, Nature, 411, 170-174 (2001).

268. Goncharov, A. F., M. A. Strzchemechny, H. K. Mao, and R. J. Hemley, Low-frequency Raman excitations in phase I of solid H2: Role of crystal fields, Phys. Rev. B, 63, 64304, 1-7 (2001).

267. Matsuishi, K., T. Suzuki, S. Onari, E. Gregoryanz, R.J. Hemley, and H. K. Mao, Exciton states of alkylammonium lead-iodide layered perovskite semiconductors under hydrostatic pressure to 25 GPa, Phys. Status Solidi (b), 223, 177-182 (2001).

266. Angel, R. J., Frost, D., N. L. Ross, and R. J. Hemley, Stabilities and equations of state of dense hydrous magnesium silicates, Phys. Earth Planet. Inter., 127, 181-196 (2001).

265. Mao, H. K., J. Xu, V.V. Struzhkin, J. Shu, R. J. Hemley, W. Sturhahn, M.Y. Hu, E. E. Alp, L. Vocadlo, D. Alfè, G. D. Price, M. J. Gillan, M. Schwoerer-Böhning, D. Häusermann, P. Eng, G. Shen, H. Gieffer , R. Lübbers, and G. Wortmann, Phonon density of states of iron to 153 GPa, Science, 292, 914-916 (2001).

2000

264. Goncharov, A. F., E. Gregoryanz, H. K. Mao, Z. Liu, and R. J. Hemley, Optical evidence for a nonmolecular phase of nitrogen above 150 GPa, Phys. Rev. Lett., 85, 1262-1265 (2000). PDF

263. Strzhemechny, M. A. and R. J. Hemley, New ortho-para conversion mechanism in dense solid hydrogen, Phys. Rev. Lett., 85, 5595-5598 (2000). PDF

262. Hemley, R. J., H. K. Mao, A. F. Goncharov, M. Eremets and V. V. Struzhkin, The Raman probe of ultrahigh-pressure phenomena, in ICORS 2000 - Proceedings of the Seventeenth International Conference on Raman spectroscopy (ed. L. Zhang) 20-25 (2000).

261. Sanloup, C., F. Guyot, P. Gillet, G. Fiquet, R. J. Hemley, M. Mezouar, and I. Martinez, Structural changes in liquid Fe at high pressures and high temperatures from synchrotron x-ray diffraction, Europhys. Lett., 52, 151-157 (2000).

260. Hemley, R. J., Effects of high pressure on molecules, Ann. Rev. Phys. Chem., 51, 763-800 (2000). (PDF)

259. Merkel, S., A. F. Goncharov, H. K. Mao, P. Gillet, and R. J. Hemley, Raman spectroscopy of iron to 152 gigapascals: implications for Earth's inner core, Science, 288, 1626-1629 (2000). PDF

258. Hemley, R. J., A. F. Goncharov, Z. Liu, H. K. Mao and S. Merkel, High-pressure infrared synchrotron and Raman microspectroscopy of Earth and planetary materials, in Microbeam Analysis 2000 (eds. D. B. Williams and Shimizu, R.) 87-88 (Institute of Physics, Philadelphia, 2000).

257. Klehe, A.-K., R. D. McDonald, A. F. Goncharov, V. V. Struzhkin, H. K. Mao, R. J. Hemley, T. Sasaki, W. Hayes, and J. Singleton, Infrared studies of the organic superconductor κ-(BEDT-TTF)2Cu(SCN)2 under pressure, J. Phys.: Condens. Matter, 12, L247-L256 (2000).PDF

256. Hemley, R. J., The element of uncertainty, Nature, 404, 240-241 (2000). PDF

255. Wenk, H.-R., S. Matthies, R. J. Hemley, H. K. Mao, and J. Shu, The plastic deformation of iron at pressures of the Earth's inner core, Nature, 405, 1044-1047 (2000). PDF

254. Kagi, H., R. Lu, P. M. Davidson, A. F. Goncharov, H. K. Mao, and R. J. Hemley, Evidence for ice VI as an inclusion of cuboid diamonds from high P-T near infrared spectroscopy, Min. Mag., 64, 1089-1097 (2000). PDF

253. Speziale, S., C. S. Zha, T. S. Duffy, R. J. Hemley, and H. K. Mao, Quasihydrostatic compression of magnesium oxide to 52 GPa: implications for the pressure-volume-temperature equation of state, J. Geophys. Res., 106, 515-528 (2000). PDF

252. Sobolev, N. V., B. A. Fursenko, S. V. Goryainov, J. Shu, R. J. Hemley, H. K. Mao, F. R. Boyd, Fossilized high pressure from the Earth's deep interior: the coesite-in-diamond barometer, Proc. Nat. Acad. Sci., 97, 11875-11879 (2000). PDF

251. Eremets, M. I., E. Gregoryanz, V. V. Struzhkin, H. K. Mao, R. J. Hemley, N. Mulders, and N. Zimmerman, Electrical conductivity of Xe at megabar pressures, Phys. Rev. Lett., 83, 2797-2800 (2000). PDF

250. Zha, C. S., H. K. Mao, and R. J. Hemley, Elasticity of MgO and a primary pressure scale to 55 GPa, Proc. Nat. Acad. Sci., 97, 13494-13499 (2000). PDF

249. Hemley, R. J., J. Shu, M. A. Carpenter, J. Hu, H. K. Mao, and K. J. Kingma, Strain/order parameter coupling in the ferroelastic transition in dense SiO2, Solid State Commun., 114, 527-532 (2000). PDF

248. Struzhkin, V. V., R. J. Hemley, H. K. Mao, Yu. A. Timofeev, and M. I. Eremets, Electronic and magnetic studies of materials to megabar pressures, Hyperfine Interactions, 128, 323-343 (2000). PDF

247. Hemley, R. J., H. K. Mao, and S. A. Gramsch, Pressure-induced transformations in deep mantle and core minerals, Min. Mag., 64, 157-184 (2000). PDF

246. Gregoryanz, E., R. J. Hemley, H. K. Mao, and P. Gillet, High-pressure elasticity of alpha-wuartz: Instability and ferroelastic transition, Phys. Rev. Lett., 84, 3117-3120 (2000). PDF

245. Shieh, S. R., H. K. Mao, R. J. Hemley, and L. C. Ming, In situ x-ray diffraction studies of dense hydrous magnesium silicates at mantle conditions, Earth Planet. Sci. Lett., 177, 69-80 (2000).PDF

244. Zou, G., Y. Z. Ma, H. K. Mao, J. Z. Hu, S. M. Somayazulu and R. J. Hemley, Application of diamond gasket on the XRD study at high pressure and high temperature, in Science and Technology of High Pressure: Proceedings of AIRAPT 17 (eds. M. H. Manghnani, Nellis, W. J. and Nicol, M. F.) 1107-1108 (Universities Press (India) Limited, Honolulu, HI, 2000).

243. Goncharov, A. F., V. V. Struzhkin, R. J. Hemley, H. K. Mao and Z. Liu, Advances in optical spectroscopy at multimegabar pressures, in Science and Technology of High Pressure (eds. M. H. Manghnani, Nellis, W. J. and Nicol, M.) 90-95 (Universities Press, Hyderabad, India, 2000).

242. Hu, J., H. K. Mao, Q. Z. Guo and R. J. Hemley, X-ray diffraction studies at X17C of the NSLS, in Science and Technology of High Pressure (eds. M. H. Manghnani, Nellis, W. J. and Nicol, M.) 1039-1042 (Universities Press, Hyderabad, India, 2000).

241. Merkel, S., R. J. Hemley, H. K. Mao and D. M. Teter, Finite element modeling and ab initio calculations of megabar stresses in the diamond anvil cell, in Science and Technology of High Pressure (eds. M. H. Manghnani, Nellis, W. J. and Nicol, M.) 68-73 (Universities Press, Hyderabad, India, 2000).

240. Cohen, R. E., O. Gulseren, and R. J. Hemley, Accuracy in equation of state formulations, Am. Mineral., 85, 338-344 (2000). PDF

239. Shieh, S. R., H. K. Mao, J. Konzett, and R. J. Hemley, In situ x-ray diffraction of phase E to 15 GPa, Am. Mineral., 85, 765-769 (2000). PDF

238. Carpenter, M. A., R. J. Hemley, and H. K. Mao, High-pressure elasticity of stishovite and the P42/mnm → Pnnm phase transition, J. Geophys. Res., 105, 10807-10816 (2000). PDF

237. Aoki, H., Y. Syono and R. J. Hemley, Physics and mineralogy: the current confluence, in Physics Meets Mineralogy - Condensed Matter Physics in Geosciences (eds. H. Aoki, Syono, Y. and Hemley, R. J.) 3-18 (Cambridge University Press, Cambridge, England, 2000).

236. Hemley, R. J., J. Badro and D. M. Teter, Polymorphism in crystalline and amorphous silica at high pressures, in Physics Meets Mineralogy - Condensed Matter Physics in Geosciences (eds. H. Aoki, Syono, Y. and Hemley, R. J.) 173-204 (Cambridge University Press, Cambridge, England, 2000).

235. Struzhkin, V. V., A. F. Goncharov, H. K. Mao, R. J. Hemley, S. W. Moore, J. M. Graybeal, J. Sarrao, and Z. Fisk, Coupled magnon-phonon excitations in Sr2CuCl2O2 at high pressure, Phys. Rev. B, 62, 3895-3899 (2000). PDF

1999

234. Hemley, R. J., H. K. Mao, M. S. Somayazulu, Y. Ma, P. F. McMillan and G. H. Wolf, Investigations of new ceramic materials at high pressures and temperatures, in Advanced Materials '99 - New Semiconducting Materials: Diamond and Related Materials (eds. Y. Bando, Akaishi, M., Kanda, H., Matsui, Y., Kobayashi, T., Watanabe, H., Seki, H. and Yamashita, N.) 15-16 (National Institute for Research in Inorganic Materials, Tsukuba, Japan, 1999).

233. Timofeev, Yu. A., H. K. Mao, V. V. Struzhkin, and R. J. Hemley, Inductive method for investigation of ferromagnetic properties of materials under pressure, Rev. Sci. Instrum., 70, 4059-4061 (1999). PDF

232. Duffy, T. S., G. Shen, D. L. Heinz, Y. Ma, J. Shu, H. K. Mao, R. J. Hemley, and A. K. Singh, Lattice strains in gold and rhenium under non-hydrostatic compression to 37 GPa, Phys. Rev. B, 60, 15063-15073 (1999). PDF

231. Duffy, T. S., G. Shen, J. Shu, H. K. Mao, R. J. Hemley, and A. K. Singh, Elasticity, shear strength, and equation of state of molybdenum and gold under non-hydrostatic compression to 24 GPa, J. Appl. Phys., 86, 6729-6736 (1999). PDF

230. Badro, J., V. V. Struzhkin, J. Shu, R. J. Hemley, H. K. Mao, C. C. Kao, J. P. Rueff, and G. Shen, Magnetism in FeO at megabar pressures from x-ray emission spectroscopy, Phys. Rev. Lett., 83, 4101-4104 (1999). PDF

229. Rueff, J.-P., C. C. Kao, V. V. Struzhkin, J. Badro, J. Shu, R. J. Hemley, and H. K. Mao, Pressure- induced high-spin to low-spin transition in FES evidenced by x-ray emission spectroscopy, Phys. Rev. Lett., 82, 3284-3287 (1999). PDF

228. Goncharov, A. F., V. V. Struzhkin, H. K. Mao, and R. J. Hemley, Raman spectroscopy of dense H2O and the transition to symmetric hydrogen bonds, Phys. Rev. Lett., 83, 1998-2001 (1999).PDF

227. Hemley, R. J., Mineralogy at a crossroads, Science, 285, 1026-1027 (1999). PDF

226. Freiman, Yu. A., S. M. Tretyak, A. Jezowski, and R. J. Hemley, Broken symmetry phase transition in solid p-H2, o-D2, and HD: crystal field effects, Physica B, 265, 12-15 (1999). PDF

225. Eggert, J. H., E. Karmon, R. J. Hemley, H. K. Mao, and A. F. Goncharov, Pressure-enhanced ortho-para conversion in solid hydrogen up to 58 GPa, Proc. Nat. Acad. Sci., 96, 12269-12272 (1999). PDF

224. Feldman, J. L., J.H. Eggert, J. de Kinder, H. K. Mao, R. J. Hemley, Influence of order-disorder on the vibron excitations of H2 and D2 in ortho-para mixed crystals, J. Low Temp. Phys., 115, 181-216 (1999).

223. Lu, R., A. F. Goncharov, H. K. Mao and R. J. Hemley, Synchrotron infrared microspectroscopy: applications to hydrous minerals, in Synchrotron X-ray Methods in Clay Science (eds. D. Schulze, Stucki, J. W. and Bertsch, P. M.) 165-182 (The Clay Minerals Society, Boulder, CO, 1999).

222. Conrad, P. G., C. S. Zha, H. K. Mao, and R. J. Hemley, The high-pressure, single-crystal elasticity of pyrope, Am. Mineral., 84, 374-383 (1999). PDF

221. Hemley, R. J., H. K. Mao, M. S. Somayazulu, Y. Ma, P. F. McMillan and G. H. Wolf, Laser- heating diamond-anvil cell technique: double-sided heating with multimode Nd:YAG laser, in Advanced Materials '99 - New Semiconducting Materials: Diamond and Related Materials (ed. Y. Bando) 15-16

220. Merkel, S., R. J. Hemley, and H. K. Mao, Finite elemental modeling of diamond deformation at multimegabar pressures, Appl. Phys. Lett., 74, 656-658 (1999). PDF